1
|
Qin W, Qiu Y, He H, Guo B, Li P. Pyrogallic acid-compatibilized polylactic acid/thermoplastic starch blend produced via one-step twin-screw extrusion. Int J Biol Macromol 2024; 276:133758. [PMID: 38992550 DOI: 10.1016/j.ijbiomac.2024.133758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 06/28/2024] [Accepted: 07/07/2024] [Indexed: 07/13/2024]
Abstract
In this study, a one-step extrusion method is proposed to prepare blended polylactic acid (PLA)/thermoplastic starch (TPS) using a novel plant-derived compatibilizer, pyrogallic acid (PGA), to enhance the PLA/TPS compatibility. The effects of PGA on the mechanical behavior, fractured cross-section morphology, thermal and dynamic mechanical performance, and water resistance of PLA/TPS blends were systematically studied. Results demonstrate that the addition of PGA effectively improves the compatibility between TPS and PLA, resulting in enhanced tensile strength, crystallinity, elongation at break, thermal stability, and hydrophobicity of the blends. Specifically, incorporating 1.5 phr of PGA into the blend system yields the highest values for tensile strength (23.38 MPa) and elongation at break (16.96 %), which are 24.7 % and 233.2 %, respectively, higher than those observed for pure PLA/TPS blends. Furthermore, other properties exhibit obvious improvements upon incorporation of PGA into the blends. This approach provides a promising strategy for enhancing the performance of PLA/TPS blends and expanding their applications in food packaging, agricultural film, etc.
Collapse
Affiliation(s)
- Wenbo Qin
- College of Science, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Yongkang Qiu
- College of Science, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Huan He
- College of Science, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Bin Guo
- College of Science, Nanjing Forestry University, Nanjing, Jiangsu 210037, China; Post-Doctoral Research Center of Nanjiecun Group, Luohe, Henan 462600, China.
| | - Panxin Li
- Post-Doctoral Research Center of Nanjiecun Group, Luohe, Henan 462600, China
| |
Collapse
|
2
|
Phamonpon W, Hinestroza JP, Puthongkham P, Rodthongkum N. Surface-engineered natural fibers: Emerging alternative substrates for chemical sensor applications: A review. Int J Biol Macromol 2024; 269:132185. [PMID: 38723830 DOI: 10.1016/j.ijbiomac.2024.132185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 04/26/2024] [Accepted: 05/06/2024] [Indexed: 05/14/2024]
Abstract
Natural fiber has become one of the most widely used alternative materials for chemical sensor fabrication due to its advantages, such as biocompatibility, flexibility, and self-microfluidic properties. Enhanced natural fiber surface has been used as a substrate in colorimetric and electrochemical sensors. This review focuses on improving the natural fiber properties for preparation as a substrate for chemical sensors. Various methods for natural fiber extraction are discussed and compared. Bleaching and decolorization is important for preparation of colorimetric sensors, while carbonization and nanoparticle doping are favorable for increasing their electrical conductivity for electrochemical sensor fabrication. Also, example fabrications and applications of natural fiber-based chemical sensors for chemical and biomarker detection are discussed. The selectivity of the sensors can be introduced and improved by surface modification of natural fiber, such as enzyme immobilization and biorecognition element functionalization, illustrating the adaptability of natural fiber as a smart sensing device, e.g., wearable and portable sensors. Ultimately, the high performances of natural fiber-based chemical sensors indicate the potential uses of natural fiber as a renewable and eco-friendly substrate material in the field of chemical sensors and biosensors for clinical diagnosis and environmental monitoring.
Collapse
Affiliation(s)
- Wisarttra Phamonpon
- Nanoscience and Technology Program, Graduate School, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok 10330, Thailand
| | - Juan P Hinestroza
- Department of Fiber Science, College of Human Ecology, Cornell University, Ithaca, NY 14850, United States
| | - Pumidech Puthongkham
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand; Center of Excellence in Responsive Wearable Materials, Chulalongkorn University, Soi Chula 12, Phayathai Road, Pathumwan, Bangkok 10330, Thailand.
| | - Nadnudda Rodthongkum
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Soi Chula 12, Phayathai Road, Pathumwan, Bangkok 10330, Thailand; Center of Excellence in Responsive Wearable Materials, Chulalongkorn University, Soi Chula 12, Phayathai Road, Pathumwan, Bangkok 10330, Thailand.
| |
Collapse
|
3
|
Soni A, Kumar S, Majumder B, Dam H, Dutta V, Das PK. Synergy of waste plastics and natural fibers as sustainable composites for structural applications concerning circular economy. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:38846-38865. [PMID: 36930307 DOI: 10.1007/s11356-023-26365-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 03/04/2023] [Indexed: 06/18/2023]
Abstract
The increasing demand for shelters, depleting natural resources, concern for plastic waste, and rising awareness for the environment have attracted the contemporary world towards the recycling of waste plastics for the development of an alternative and sustainable building construction material. The plastics suffer due to their poor strength which can be successfully overcome by the reinforcement of natural fibers. The work aimed to develop and investigate the properties of natural fiber-reinforced composites for structural applications such as floor tiles and pavements. The composites were developed by utilizing three different types of waste plastics, namely, low-density polyethylene, high-density polyethylene, and polypropylene with the reinforcement of coconut (cocos nucifera) and Tossa jute (corchorus olitorius) fibers. The evaluation of the density, water absorption, compressive strength, and flexural strength was performed. Moreover, three-body abrasive wear performance was investigated under the conditions of different loads and sliding speeds. The wear mechanism was explored by the morphological analyses of the fractured and worn-out surfaces. The composite HDPE80C20 showed a maximum density of 1.603 g/cm3 and minimum percentage of water absorption to 0.2022. Moreover, the composite attained a maximum compressive and flexural strength of 40.10 and 10.04 (MPa), respectively. The ranges for abrasive wear were found to be 0.002375-0.20015 (cm3) and 0.01987-0.39593 (cm3) under the considered conditions of loads and sliding speeds, respectively. The comparative analysis of the properties suggested the reinforcement of 20 wt% of jute fiber with 80 wt% of high-density polyethylene for the development of composites for structural applications. The study highlighted the potential of waste plastics and natural fibers as value-added products for building construction with relevancy from socio-eco and environmental points of view.
Collapse
Affiliation(s)
- Ashish Soni
- Department of Mechanical Engineering, National Institute of Technology (NIT) Agartala, Tripura, 799046, India.
| | - Sameer Kumar
- Department of Mechanical Engineering, National Institute of Technology (NIT) Agartala, Tripura, 799046, India
| | - Biprajit Majumder
- Department of Mechanical Engineering, National Institute of Technology (NIT) Agartala, Tripura, 799046, India
| | - Hriddhi Dam
- Department of Mechanical Engineering, National Institute of Technology (NIT) Agartala, Tripura, 799046, India
| | - Vishal Dutta
- Department of Mechanical Engineering, National Institute of Technology (NIT) Agartala, Tripura, 799046, India
| | - Pankaj Kumar Das
- Department of Mechanical Engineering, National Institute of Technology (NIT) Agartala, Tripura, 799046, India
| |
Collapse
|
4
|
Yang L, Sun J, He Z, Hao D, Feng Y, Dai H, Jiang L. Green processing via surface diffuse atmospheric plasma to enhance the dyeing performance on polylactic acid fabric. RSC Adv 2024; 14:18073-18079. [PMID: 38841397 PMCID: PMC11152145 DOI: 10.1039/d4ra02297a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Accepted: 05/23/2024] [Indexed: 06/07/2024] Open
Abstract
Poor dyeing performance has been a major defect of polylactic acid (PLA) fibers, which is caused by the lack of active chemical groups in PLA, and hinders the widespread use of this biodegradable material. Most of the existing chemical modification methods are not environmentally friendly and produce effluents. Herein, we report a green, efficient and continuous method to process PLA fibers via surface diffuse atmospheric plasma for the improvement of its hydrophilicity and dyeing performance. PLA fibers were processed via atmospheric plasma for grafting oxygen-containing functional groups, such as carboxyl, to achieve hydrophilicity and, meanwhile, strengthen the binding interactions with various dye molecules via covalent bonds, ionic bonds, or hydrogen bonds. In addition, different mechanisms of improving the dyeing performance on plasma-modified PLA fibers with different kinds of dyes have been discussed. This approach of material modification involves no chemical additives and has high processing efficiency, showing the potential applicability of green treatment to products in various fields.
Collapse
Affiliation(s)
- Linfeng Yang
- CAS Key Laboratory of Bio-inspired Materials and Interface Sciences, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing 100190 China
- School of Future Technology, University of Chinese Academy of Sciences Beijing 100049 China
| | - Junhan Sun
- CAS Key Laboratory of Bio-inspired Materials and Interface Sciences, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing 100190 China
| | - Zengyi He
- CAS Key Laboratory of Bio-inspired Materials and Interface Sciences, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing 100190 China
- School of Future Technology, University of Chinese Academy of Sciences Beijing 100049 China
| | - Dezhao Hao
- CAS Key Laboratory of Bio-inspired Materials and Interface Sciences, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing 100190 China
| | - Yaping Feng
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University Beijing 100191 China
| | - Haoyu Dai
- CAS Key Laboratory of Bio-inspired Materials and Interface Sciences, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing 100190 China
| | - Lei Jiang
- CAS Key Laboratory of Bio-inspired Materials and Interface Sciences, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing 100190 China
- School of Future Technology, University of Chinese Academy of Sciences Beijing 100049 China
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University Beijing 100191 China
| |
Collapse
|
5
|
Shui YJ, Yao WH, Lin JH, Zhang Y, Yu Y, Wu CS, Zhang X, Tsou CH. Enhancing Polyvinyl Alcohol Nanocomposites with Carboxy-Functionalized Graphene: An In-Depth Analysis of Mechanical, Barrier, Electrical, Antibacterial, and Chemical Properties. Polymers (Basel) 2024; 16:1070. [PMID: 38674991 PMCID: PMC11054367 DOI: 10.3390/polym16081070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 03/30/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024] Open
Abstract
To enhance the various properties of polyvinyl alcohol (PVA), varying concentrations of carboxy-functionalized graphene (CFG) were employed in the preparation of CFG/PVA nanocomposite films. FTIR and XRD analyses revealed that CFG, in contrast to graphene, not only possesses carboxylic acid group but also exhibits higher crystallinity. Mechanical testing indicated a notable superiority of CFG addition over graphene, with optimal mechanical properties such as tensile and yield strengths being achieved at a 3% CFG concentration. Relative to pure PVA, the tensile strength and yield strength of the composite increased by 2.07 and 2.01 times, respectively. XRD analysis showed distinct changes in the crystalline structure of PVA with the addition of CFG, highlighting the influence of CFG on the composite structure. FTIR and XPS analyses confirmed the formation of ester bonds between CFG and PVA, enhancing the overall performance of the material. TGA results also demonstrated that the presence of CFG enhanced the thermal stability of CFG/PVA nanocomposite films. However, analyses using scanning electron microscopy and transmission electron microscopy revealed that a 3% concentration of CFG was uniformly dispersed, whereas a 6% concentration of CFG caused aggregation of the nanofiller, leading to a decrease in performance. The incorporation of CFG significantly enhanced the water vapor and oxygen barrier properties of PVA, with the best performance observed at a 3% CFG concentration. Beyond this concentration, barrier properties were diminished owing to CFG aggregation. The study further demonstrated an increase in electrical conductivity and hydrophobicity of the nanocomposites with the addition of CFG. Antibacterial tests against E. coli showed that CFG/PVA nanocomposites exhibited excellent antibacterial properties, especially at higher CFG concentrations. These findings indicate that CFG/PVA nanocomposites, with an optimized CFG concentration, have significant potential for applications requiring enhanced mechanical strength, barrier properties, and antibacterial capabilities.
Collapse
Affiliation(s)
- Yu-Jie Shui
- Material Corrosion and Protection Key Laboratory of Sichuan Province, School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
| | - Wei-Hua Yao
- Department of Materials and Textiles, Asia Eastern University of Science and Technology, New Taipei City 220, Taiwan
| | - Jarrn-Horng Lin
- Department of Material Science, National University of Tainan, Tainan 70005, Taiwan
| | - Yingjun Zhang
- Material Corrosion and Protection Key Laboratory of Sichuan Province, School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
| | - Yongqi Yu
- Material Corrosion and Protection Key Laboratory of Sichuan Province, School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
| | - Chin-San Wu
- Department of Applied Cosmetology, Kao Yuan University, Kaohsiung 82101, Taiwan
| | - Xuemei Zhang
- Material Corrosion and Protection Key Laboratory of Sichuan Province, School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
| | - Chi-Hui Tsou
- Material Corrosion and Protection Key Laboratory of Sichuan Province, School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
| |
Collapse
|
6
|
El-Newehy MH, Aldalbahi A, Thamer BM, Abdulhameed MM. Preparation of photoluminescent nano-biocomposite nacre from graphene oxide and polylactic acid. LUMINESCENCE 2024; 39:e4688. [PMID: 38444125 DOI: 10.1002/bio.4688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/11/2024] [Accepted: 01/15/2024] [Indexed: 03/07/2024]
Abstract
Nano-biocomposites of inorganic and organic components wereprepared to produce long-persistent phosphorescent artificial nacre-like materials. Biodegradable polylactic acid (PLA), graphene oxide (GO), and nanoparticles (13-20 nm) of lanthanide-doped aluminate pigment (NLAP) were used in a simple production procedure of an organic/inorganic hybrid nano-biocomposite. Both polylactic acid and GO nanosheets were chemically modified to form covalent and hydrogen bonding. The high toughness, good tensile strength, and great endurance of those bonds were achieved by their interactions at the interfaces. Long-persistent and reversible photoluminescence was shown by the prepared nacre substrates. Upon excitation at 365 nm, the nacre substrates generated an emission peak at 517 nm. When ultraviolet light was shone on luminescent nacres, they displayed a bright green colour. The high superhydrophobicity of the generated nacres was obtained without altering their mechanical characteristics.
Collapse
Affiliation(s)
- Mohamed H El-Newehy
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Ali Aldalbahi
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Badr M Thamer
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | | |
Collapse
|
7
|
Musa AA, Onwualu AP. Potential of lignocellulosic fiber reinforced polymer composites for automobile parts production: Current knowledge, research needs, and future direction. Heliyon 2024; 10:e24683. [PMID: 38314269 PMCID: PMC10837508 DOI: 10.1016/j.heliyon.2024.e24683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 12/26/2023] [Accepted: 01/11/2024] [Indexed: 02/06/2024] Open
Abstract
In recent years, there has been a notable surge in research focusing on the use of natural fiber-reinforced polymer composites (NFRPCs) in the automobile industry. These materials offer several advantages over their synthetic counterparts, including lightweight properties, renewability, cost-effectiveness, and environmental friendliness. This increasing research interest in NFRPCs within the automotive sector is primarily aimed at overcoming the challenges that have thus far limited their industrial applications when compared to conventional synthetic composites. This paper provides a comprehensive overview of the potential applications and sustainability of lignocellulosic-based NFRPCs in the automobile industry. It examines the current state of knowledge, identifies research needs and existing limitations, and provides insights into future perspectives. This review shows that, while lignocellulosic fibers hold great promise as sustainable, high-performance, and cost-effective alternatives to traditional reinforcing fibers, continuous research is needed to further address issues such as fiber-matrix compatibility, processing techniques, long-term durability concerns, and general property improvement. These advancements are essential to meet the increasing performance demand for eco-friendly, renewable, and energy-efficient materials in automotive design.
Collapse
Affiliation(s)
- Abdulrahman Adeiza Musa
- Department of Metallurgical and Materials Engineering, Ahmadu Bello University, Zaria-Nigeria
- Department of Materials Science and Engineering, African University of Science and Technology, Abuja, Nigeria
| | - Azikiwe Peter Onwualu
- Department of Materials Science and Engineering, African University of Science and Technology, Abuja, Nigeria
| |
Collapse
|
8
|
Xu B, Zhang W, Zhao E, Hong J, Chen X, Wei Z, Li X. Unveiling malic acid biorefinery: Comprehensive insights into feedstocks, microbial strains, and metabolic pathways. BIORESOURCE TECHNOLOGY 2024; 394:130265. [PMID: 38160850 DOI: 10.1016/j.biortech.2023.130265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/24/2023] [Accepted: 12/25/2023] [Indexed: 01/03/2024]
Abstract
The over-reliance on fossil fuels and resultant environmental issues necessitate sustainable alternatives. Microbial fermentation of biomass for malic acid production offers a viable, eco-friendly solution, enhancing resource efficiency and minimizing ecological damage. This review covers three core aspects of malic acid biorefining: feedstocks, microbial strains, and metabolic pathways. It emphasizes the significance of utilizing biomass sugars, including the co-fermentation of different sugar types to improve feedstock efficiency. The review discusses microbial strains for malic acid fermentation, addressing challenges related to by-products from biomass breakdown and strategies for overcoming them. It delves into the crucial pathways and enzymes for malic acid production, outlining methods to optimize its metabolism, focusing on enzyme regulation, energy balance, and yield enhancement. These insights contribute to advancing the field of consolidated bioprocessing in malic acid biorefining.
Collapse
Affiliation(s)
- Boyang Xu
- Anhui Fermented Food Engineering Research Center, School of Food and Biological Engineering, Hefei University of Technology, Hefei City 230009, Anhui Province, PR China
| | - Wangwei Zhang
- Anhui Fermented Food Engineering Research Center, School of Food and Biological Engineering, Hefei University of Technology, Hefei City 230009, Anhui Province, PR China
| | - Eryong Zhao
- Anhui Fermented Food Engineering Research Center, School of Food and Biological Engineering, Hefei University of Technology, Hefei City 230009, Anhui Province, PR China
| | - Jiong Hong
- School of Life Sciences, University of Science and Technology of China, Hefei City 230026, Anhui Province, PR China
| | - Xiangsong Chen
- Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei City 230031, Anhui Province, PR China
| | - Zhaojun Wei
- School of Biological Sciences and Engineering, North Minzu University, Yinchuan City 750030, Ningxia Hui Autonomous Region, PR China.
| | - Xingjiang Li
- Anhui Fermented Food Engineering Research Center, School of Food and Biological Engineering, Hefei University of Technology, Hefei City 230009, Anhui Province, PR China.
| |
Collapse
|
9
|
Bochnia J, Kozior T, Szot W, Rudnik M, Zmarzły P, Gogolewski D, Szczygieł P, Musiałek M. Selected Mechanical and Rheological Properties of Medical Resin MED610 in PolyJet Matrix Three-Dimensional Printing Technology in Quality Aspects. 3D PRINTING AND ADDITIVE MANUFACTURING 2024; 11:299-313. [PMID: 38389684 PMCID: PMC10880670 DOI: 10.1089/3dp.2022.0215] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/24/2024]
Abstract
In connection with the growing demand of the medical and medicine-related industry for materials exhibiting biocompatible properties used as part of three-dimensional (3D) printing additive technologies. The article presents research results concerning rheological and selected mechanical properties of a modern, photocurable MED610 resin, which is also used mainly in medicine, as well as dentistry. The article also shows extensive results of testing bending stress relaxation and creep, as well as the tensile strength of samples created with the PolyJet Matrix (PJM) technology. The authors used various sample types, including ones of unique shape and a hexagonal cellular structure. The analysis of the impact of element orientation on the working platform of the machine (3D printer) on the obtained test results (so-called printing direction-Pd) was also taken into account as a key technological parameter of the 3D printing process. Experimental rheological curves were matched with theoretical curves resulting from the application of a five-parameter Maxwell-Wiechert (M-W) model in the case of stress relaxation and a five-parameter Kelvin-Voigt model for creep. Very good matches were achieved, mean coefficients Chi2 = 0.0014 and R2 = 0.9956 for matching the five-parameter M-W model and mean coefficients Chi2 = 0.000006 and R2 = 0.9992 enable recommending the obtained results to be used for various engineering calculations, especially computer simulations. Moreover, the use of relaxation curves can significantly increase the construction capabilities within the design process, which includes the MED610 material.
Collapse
Affiliation(s)
- Jerzy Bochnia
- Department of Metrology and Unconventional Manufacturing Methods, Faculty of Mechatronics and Mechanical Engineering, Kielce University of Technology, Kielce, Poland
| | - Tomasz Kozior
- Department of Metrology and Unconventional Manufacturing Methods, Faculty of Mechatronics and Mechanical Engineering, Kielce University of Technology, Kielce, Poland
| | - Wiktor Szot
- Department of Metrology and Unconventional Manufacturing Methods, Faculty of Mechatronics and Mechanical Engineering, Kielce University of Technology, Kielce, Poland
| | - Mateusz Rudnik
- Department of Metrology and Unconventional Manufacturing Methods, Faculty of Mechatronics and Mechanical Engineering, Kielce University of Technology, Kielce, Poland
| | - Paweł Zmarzły
- Department of Metrology and Unconventional Manufacturing Methods, Faculty of Mechatronics and Mechanical Engineering, Kielce University of Technology, Kielce, Poland
| | - Damian Gogolewski
- Department of Metrology and Unconventional Manufacturing Methods, Faculty of Mechatronics and Mechanical Engineering, Kielce University of Technology, Kielce, Poland
| | - Paweł Szczygieł
- Department of Metrology and Unconventional Manufacturing Methods, Faculty of Mechatronics and Mechanical Engineering, Kielce University of Technology, Kielce, Poland
| | - Mateusz Musiałek
- Department of Metrology and Unconventional Manufacturing Methods, Faculty of Mechatronics and Mechanical Engineering, Kielce University of Technology, Kielce, Poland
| |
Collapse
|
10
|
Cabrera Gonzalez AD, Flores León JR, Ramirez Mendoza CG, Rodríguez Félix DE, Castillo Ortega MM, Santacruz Ortega H, Rodríguez Félix F, Madera Santana TJ, Quiroz
Castillo JM. Preparation and Characterization of Poly(lactic acid) Membranes and Films Coated with Polyaniline for Potential Use in Environmental Remediation. ACS OMEGA 2024; 9:4439-4446. [PMID: 38313549 PMCID: PMC10831965 DOI: 10.1021/acsomega.3c06659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 02/06/2024]
Abstract
This research outlines the fabrication of polymeric membranes and films of poly(lactic acid) (PLA), prepared via electrospinning and extrusion, respectively. These materials were subsequently coated with polyaniline (PANi) by using the in situ chemical polymerization technique. Scanning electron microscopy micrographs revealed that the best coatings were achieved when 3 and 30 min of contact time with the monomeric solution were used for the membrane and film, respectively. Additionally, Fourier transform infrared spectra, thermogravimetric studies, and contact angle measurements demonstrated proper interaction between PLA and PANi. The findings of these studies suggest that PLA membranes and films can serve as suitable substrates for the deposition of PANi, and the composite materials hold potential for use in environmental remediation applications.
Collapse
Affiliation(s)
- Ana Daymi Cabrera Gonzalez
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, Hermosillo C.P. 83000, Sonora, Mexico
| | - José Ramón Flores León
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, Hermosillo C.P. 83000, Sonora, Mexico
| | | | - Dora Evelia Rodríguez Félix
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, Hermosillo C.P. 83000, Sonora, Mexico
| | - María Mónica Castillo Ortega
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, Hermosillo C.P. 83000, Sonora, Mexico
| | - Hisila Santacruz Ortega
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, Hermosillo C.P. 83000, Sonora, Mexico
| | - Francisco Rodríguez Félix
- Departamento
de Investigación y Posgrado en Alimentos, Universidad de Sonora, Hermosillo C.P. 83000, Sonora, Mexico
| | - Tomás Jesús Madera Santana
- Laboratorio
de Envases, CTAOV, Centro de Investigación
en Alimentos y Desarrollo A.C., Hermosillo C.P. 83304, Sonora, Mexico
| | - Jesús Manuel Quiroz
Castillo
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, Hermosillo C.P. 83000, Sonora, Mexico
| |
Collapse
|
11
|
Spišák E, Nováková-Marcinčínová E, Majerníková J, Mulidrán P, Nováková-Marcinčínová Ľ. Experimental and Numerical Study of Printing Strategy Impact on the Mechanical Properties of Sustainable PLA Materials. Polymers (Basel) 2023; 15:4639. [PMID: 38139891 PMCID: PMC10748292 DOI: 10.3390/polym15244639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/03/2023] [Accepted: 12/06/2023] [Indexed: 12/24/2023] Open
Abstract
This article is focused on a mechanical properties investigation of three types of sustainable poly lactic acid materials manufactured using the fused filament fabrication process. The purpose of this work was to study the impact of printing strategies on the mechanical properties and predict mechanical behavior under tensile loading using finite element analysis. The testing of mechanical properties was conducted according to the ISO 527 standard. The numerical simulations were conducted in Simufact Forming 2022 software. Analysis of the experimental data showed a dependance of mechanical properties on the used printing strategy. The Clear PLA samples printed in the XY plane exhibited a 43% reduction in tensile strength and a 49% reduction in elongation compared to samples printed from the same material in YZ plane. The experimental results show the influence of the printing orientation on the mechanical properties of 3D-printed samples.
Collapse
Affiliation(s)
- Emil Spišák
- Faculty of Mechanical Engineering, Technical University of Košice, Letná 9, 042 00 Košice, Slovakia; (E.N.-M.); (J.M.); (P.M.)
| | - Ema Nováková-Marcinčínová
- Faculty of Mechanical Engineering, Technical University of Košice, Letná 9, 042 00 Košice, Slovakia; (E.N.-M.); (J.M.); (P.M.)
| | - Janka Majerníková
- Faculty of Mechanical Engineering, Technical University of Košice, Letná 9, 042 00 Košice, Slovakia; (E.N.-M.); (J.M.); (P.M.)
| | - Peter Mulidrán
- Faculty of Mechanical Engineering, Technical University of Košice, Letná 9, 042 00 Košice, Slovakia; (E.N.-M.); (J.M.); (P.M.)
| | - Ľudmila Nováková-Marcinčínová
- Faculty of Manufacturing Technologies with a Seat in Prešov, Technical University of Kosice, Bayerova 1, 080 01 Prešov, Slovakia;
| |
Collapse
|
12
|
Theodorou A, Raptis V, Baltzaki CIM, Manios T, Harmandaris V, Velonia K. Synthesis and Modeling of Poly(L-lactic acid) via Polycondensation of L-Lactic Acid. Polymers (Basel) 2023; 15:4569. [PMID: 38232026 PMCID: PMC10708065 DOI: 10.3390/polym15234569] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 11/13/2023] [Accepted: 11/24/2023] [Indexed: 01/19/2024] Open
Abstract
We present synthetic experiments of lactic acid (LA) polycondensation to produce poly(lactic acid) (PLA) as well as kinetic modeling calculations that capture the polymer molecular weight increase with time, given the initial concentrations. Tin-octoate-catalyzed polycondensation of (D,L)- or L-lactic acid was carried out in pre-dried toluene after azeotropic dehydration for 48-120 h at 130-137 °C. The polymerization was optimized by varying lactic acid and catalyst concentrations as well as the temperature. Gel permeation chromatography was used to experimentally follow the evolution of molecular weights and the products were characterized by NMR, TGA, DSC and IR. Under optimal conditions, PLLA with weight-average molecular weight (Mw) of 161 kDa could be obtained. The rate equations that describe polycondensation kinetics were recast in a condensed form that allowed very fast numerical solution and calculation of the number-average molecular weight with time. Deviations with respect to the experiment were minimized in a least-squares fashion to determine rate constants. The optimized kinetics parameters are shown to reproduce the experimental data accurately.
Collapse
Affiliation(s)
- Alexis Theodorou
- Department of Materials Science and Technology, University of Crete, 70013 Heraklion, Greece; (A.T.); (C.I.M.B.)
| | - Vasilios Raptis
- Institute of Applied and Computational Mathematics, Foundation for Research and Technology-Hellas, 70013 Heraklion, Greece;
- Department of Computer Science and Engineering, European University Cyprus, 6 Diogenis Str., 2404 Nicosia, Cyprus
| | | | - Thrassyvoulos Manios
- Department of Agriculture, Hellenic Mediterranean University, 71410 Heraklion, Greece;
| | - Vagelis Harmandaris
- Institute of Applied and Computational Mathematics, Foundation for Research and Technology-Hellas, 70013 Heraklion, Greece;
- Department of Mathematics and Applied Mathematics, University of Crete, 70013 Heraklion, Greece
- Computation-Based Science and Technology Research Center, The Cyprus Institute, 2121 Nicosia, Cyprus
| | - Kelly Velonia
- Department of Materials Science and Technology, University of Crete, 70013 Heraklion, Greece; (A.T.); (C.I.M.B.)
| |
Collapse
|
13
|
Barandiaran A, Lascano D, Montanes N, Balart R, Selles MA, Moreno V. Improvement of the Ductility of Environmentally Friendly Poly(lactide) Composites with Posidonia oceanica Wastes Plasticized with an Ester of Cinnamic Acid. Polymers (Basel) 2023; 15:4534. [PMID: 38231960 PMCID: PMC10708467 DOI: 10.3390/polym15234534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 11/15/2023] [Accepted: 11/22/2023] [Indexed: 01/19/2024] Open
Abstract
New composite materials were developed with poly(lactide) (PLA) and Posidonia oceanica fibers through reactive extrusion in the presence of dicumyl peroxide (DCP) and subsequent injection molding. The effect of different amounts of methyl trans-cinnamate (MTC) on the mechanical, thermal, thermomechanical, and wettability properties was studied. The results showed that the presence of Posidonia oceanica fibers generated disruptions in the PLA matrix, causing a decrease in the tensile mechanical properties and causing an impact on the strength due to the stress concentration phenomenon. Reactive extrusion with DCP improved the PO/PLA interaction, diminishing the gap between the fibers and the surrounding matrix, as corroborated by field emission scanning electron microscopy (FESEM). It was observed that 20 phr (parts by weight of the MTC, per one hundred parts by weight of the PO/PLA composite) led to a noticeable plasticizing effect, significantly increasing the elongation at break from 7.1% of neat PLA to 31.1%, which means an improvement of 338%. A considerable decrease in the glass transition temperature, from 61.1 °C of neat PLA to 41.6 °C, was also observed. Thermogravimetric analysis (TGA) showed a loss of thermal stability of the plasticized composites, mainly due to the volatility of the cinnamate ester, leading to a decrease in the onset degradation temperature above 10 phr MTC.
Collapse
Affiliation(s)
| | - Diego Lascano
- Institute of Materials Technology (ITM), Universitat Politècnica de València (UPV), Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Spain; (A.B.); (N.M.); (R.B.); (M.A.S.)
| | | | | | | | - Virginia Moreno
- Institute of Materials Technology (ITM), Universitat Politècnica de València (UPV), Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Spain; (A.B.); (N.M.); (R.B.); (M.A.S.)
| |
Collapse
|
14
|
Dimitrova M, Vlahova A, Kalachev Y, Zlatev S, Kazakova R, Capodiferro S. Recent Advances in 3D Printing of Polymers for Application in Prosthodontics. Polymers (Basel) 2023; 15:4525. [PMID: 38231950 PMCID: PMC10708542 DOI: 10.3390/polym15234525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 11/15/2023] [Accepted: 11/22/2023] [Indexed: 01/19/2024] Open
Abstract
Contemporary mass media frequently depict 3D printing as a technology with widespread utilization in the creation of dental prosthetics. This paper endeavors to provide an evidence-based assessment of the current scope of 3D printing's integration within dental laboratories and practices. Its primary objective is to offer a systematic evaluation of the existing applications of 3D-printing technology within the realm of dental prosthetic restorations. Furthermore, this article delves into potential prospects, while also critically examining the sustained relevance of conventional dental laboratory services and manufacturing procedures. The central focus of this article is to expound upon the extent to which 3D printing is presently harnessed for crafting dental prosthetic appliances. By presenting verifiable data and factual insights, this article aspires to elucidate the actual implementation of 3D printing in prosthetic dentistry and its seamless integration into dental practices. The aim of this narrative review is twofold: firstly, to provide an informed and unbiased evaluation of the role that 3D printing currently plays within dental laboratories and practices; and secondly, to instigate contemplation on the transformative potential of this technology, both in terms of its contemporary impact and its future implications, while maintaining a balanced consideration of traditional dental approaches.
Collapse
Affiliation(s)
- Mariya Dimitrova
- Department of Prosthetic Dentistry, Faculty of Dental Medicine, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria; (A.V.); (Y.K.); (S.Z.); (R.K.)
| | - Angelina Vlahova
- Department of Prosthetic Dentistry, Faculty of Dental Medicine, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria; (A.V.); (Y.K.); (S.Z.); (R.K.)
- CAD/CAM Center of Dental Medicine, Research Institute, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Yavor Kalachev
- Department of Prosthetic Dentistry, Faculty of Dental Medicine, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria; (A.V.); (Y.K.); (S.Z.); (R.K.)
| | - Stefan Zlatev
- Department of Prosthetic Dentistry, Faculty of Dental Medicine, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria; (A.V.); (Y.K.); (S.Z.); (R.K.)
- CAD/CAM Center of Dental Medicine, Research Institute, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Rada Kazakova
- Department of Prosthetic Dentistry, Faculty of Dental Medicine, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria; (A.V.); (Y.K.); (S.Z.); (R.K.)
- CAD/CAM Center of Dental Medicine, Research Institute, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Saverio Capodiferro
- Department of Interdisciplinary Medicine, Aldo Moro, University of Bari, 70100 Bari, Italy;
| |
Collapse
|
15
|
Flores León J, Quiroz Castillo JM, Rodríguez Félix DE, Castillo Ortega MM, Cabrera-González AD, Ramirez-Mendoza CG, Santacruz-Ortega H, Suárez-Campos G, Valenzuela-García JL, Herrera-Franco PJ. Preparation and Characterization of Extruded PLA Films Coated with Polyaniline or Polypyrrole by In Situ Chemical Polymerization. ACS OMEGA 2023; 8:43243-43253. [PMID: 38024776 PMCID: PMC10653065 DOI: 10.1021/acsomega.3c07201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/16/2023] [Accepted: 10/18/2023] [Indexed: 12/01/2023]
Abstract
Conductive polymers, such as polypyrrole and polyaniline, have been extensively studied for their notable intrinsic electronic and ionic conductivities, rendering them suitable for a range of diverse applications. In this study, in situ chemical polymerization was employed to coat extruded PLA films with PPy and PANi. Morphological analysis reveals a uniform and compact deposition of both polyaniline and polypyrrole after polymerization periods of 3 and 1 h, respectively. Furthermore, the PLA-PANi-3h and PLA-PPy-1h composites exhibited the highest electrical conductivity, with values of 0.042 and 0.022 S cm-1, respectively. These findings were in agreement with the XPS results, as the polyaniline-coated film showed a higher proportion of charge carriers compared to the polypyrrole composite. The elastic modulus of the coated films showed an increase compared with that of pure PLA films. Additionally, the inflection temperatures for the PLA-PANi-3h and PLA-PPy-1h composites were 368.7 and 367.2 °C, respectively, while for pure PLA, it reached 341.47 °C. This improvement in mechanical and thermal properties revealed the effective interfacial adhesion between the PLA matrix and the conducting polymer. Therefore, this work demonstrates that coating biopolymeric matrices with PANi or PPy enables the production of functional and environmentally friendly conductive materials suitable for potential use in the removal of heavy metals in water treatment.
Collapse
Affiliation(s)
- José
Ramón Flores León
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, C.P. 83000 Hermosillo, Sonora, México
| | - Jesús Manuel Quiroz Castillo
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, C.P. 83000 Hermosillo, Sonora, México
| | - Dora E. Rodríguez Félix
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, C.P. 83000 Hermosillo, Sonora, México
| | - María Mónica Castillo Ortega
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, C.P. 83000 Hermosillo, Sonora, México
| | - Ana Daymi Cabrera-González
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, C.P. 83000 Hermosillo, Sonora, México
| | | | - Hisila Santacruz-Ortega
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, C.P. 83000 Hermosillo, Sonora, México
| | - Guillermo Suárez-Campos
- Departamento
de Investigación en Física, Universidad de Sonora, C.P. 83000 Hermosillo, Sonora, México
| | | | | |
Collapse
|
16
|
Shahdan D, Rosli NA, Chen RS, Ahmad S, Gan S. Strategies for strengthening toughened poly(lactic acid) blend via natural reinforcement with enhanced biodegradability: A review. Int J Biol Macromol 2023; 251:126214. [PMID: 37572810 DOI: 10.1016/j.ijbiomac.2023.126214] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 07/06/2023] [Accepted: 08/05/2023] [Indexed: 08/14/2023]
Abstract
The growing popularity of poly(lactic acid) (PLA) can be attributed to its favorable attributes, such as excellent compostability and robust mechanical properties. Two notable limitations of PLA are its high brittleness and slow biodegradation rate. Both of blending and copolymerization strategies work well to improve PLA's toughness while sacrificing the good tensile strength and modulus properties of PLA. One of the most effective and economical approaches to address this challenge is to incorporate natural reinforcing agents into the toughened PLA system, thereby simultaneously promoting the biodegradation rate of PLA. Nevertheless, the enhancement of tensile strength and modulus is accompanied by a notable decrease in elongation. Therefore, this review provides comprehensive information on the literature works related to the tensile strength, modulus, elongation at break and impact strength of the toughened PLA and its natural fiber reinforced composites. The impact of natural reinforcing agent on the tensile fracture mechanism as well as the synergistic effect on strengthening and toughening performance will be discussed. This review also focuses on the factors boosting the biodegradability of toughened PLA blend by using natural reinforcing fiber. Review presents potential future insights into the development of biodegradable and balanced strengthened-toughened PLA based advanced materials.
Collapse
Affiliation(s)
- Dalila Shahdan
- Department of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), 43600 Bangi, Selangor, Malaysia
| | - Noor Afizah Rosli
- Department of Chemical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia..
| | - Ruey Shan Chen
- Department of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), 43600 Bangi, Selangor, Malaysia.
| | - Sahrim Ahmad
- Department of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), 43600 Bangi, Selangor, Malaysia
| | - Sinyee Gan
- Malaysian Palm Oil Board, 6 Persiaran Institusi, Bandar Baru Bangi, 43000 Kajang, Selangor, Malaysia
| |
Collapse
|
17
|
Xu D, He S, Leng W, Chen Y, Wu Z. Replacing Plastic with Bamboo: A Review of the Properties and Green Applications of Bamboo-Fiber-Reinforced Polymer Composites. Polymers (Basel) 2023; 15:4276. [PMID: 37959955 PMCID: PMC10647463 DOI: 10.3390/polym15214276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/13/2023] [Accepted: 10/18/2023] [Indexed: 11/15/2023] Open
Abstract
Natural fiber composites are receiving more and more attention because of their greenness and low cost. Among natural fibers, bamboo is characterized by fast growth, a short cultivation period, high strength and good toughness, and is one of the strongest natural fibers in the world. A bamboo-fiber-reinforced polymer composite (BFRPC) has the characteristics of high mechanical strength, low density, degradability, etc. It has the industrial applicability comparable to metal materials, the same strong corrosion resistance as composites such as glass and carbon fibers, and the same immunity to electromagnetic interference and low thermal conductivity as natural materials. Its unidirectional specific strength and unidirectional specific modulus is higher than that of glass fiber, second only to the extremely high price of carbon fiber, which is playing an increasingly important role in the field of composite materials, and can be widely used in the fields of wind power, construction, aviation, automotive, medical care and so on. At present, it has been initially used in packaging, automotive and transportation fields, and is expected to replace petroleum-based plastics in various fields. In addition to their environmental protection and green production, they have excellent physical properties. This paper provides an overview of the mechanical properties of bamboo-fiber-reinforced thermoplastic composites and thermoset composites that have been developed so far, such as tensile strength, flexural properties and impact strength. In addition, the prospects of bamboo-fiber-reinforced thermoplastic composites for automotive, packaging and agricultural applications are presented.
Collapse
Affiliation(s)
- Dandan Xu
- China National Bamboo Research Center, Key Laboratory of Bamboo High Efficient Processing of Zhejiang Province, Hangzhou 310012, China; (D.X.); (Y.C.); (Z.W.)
| | - Sheng He
- China National Bamboo Research Center, Key Laboratory of Bamboo High Efficient Processing of Zhejiang Province, Hangzhou 310012, China; (D.X.); (Y.C.); (Z.W.)
| | - Weiqi Leng
- Department of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Yuhe Chen
- China National Bamboo Research Center, Key Laboratory of Bamboo High Efficient Processing of Zhejiang Province, Hangzhou 310012, China; (D.X.); (Y.C.); (Z.W.)
| | - Zaixing Wu
- China National Bamboo Research Center, Key Laboratory of Bamboo High Efficient Processing of Zhejiang Province, Hangzhou 310012, China; (D.X.); (Y.C.); (Z.W.)
| |
Collapse
|
18
|
Momeni S, Craplewe K, Safder M, Luz S, Sauvageau D, Elias A. Accelerating the Biodegradation of Poly(lactic acid) through the Inclusion of Plant Fibers: A Review of Recent Advances. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2023; 11:15146-15170. [PMID: 37886036 PMCID: PMC10599323 DOI: 10.1021/acssuschemeng.3c04240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 09/19/2023] [Indexed: 10/28/2023]
Abstract
As the global demand for plastics continues to grow, plastic waste is accumulating at an alarming rate with negative effects on the natural environment. The industrially compostable biopolymer poly(lactic acid) (PLA) is therefore being adopted for use in many applications, but the degradation of this material is slow under many end-of-life conditions. This Perspective explores the feasibility of accelerating the degradation of PLA through the formation of PLA-plant fiber composites. Topics include: (a) key properties of PLA, plant-based fibers, and biocomposites; (b) mechanisms of both hydrolytic degradation and biodegradation of PLA-fiber composites; (c) end-of-life degradation of PLA and PLA-plant fiber composites in aerobic and anaerobic conditions, relevant to compost, soil and seawater (aerobic), and landfills (anaerobic); and (d) sustainability and environmental impact of PLA and PLA-plant fiber composites, as evaluated using life cycle assessment. Additional degradation modes, including thermal and photodegradation, which are relevant during processing and use, have been omitted for clarity, as have other types of PLA biocomposites. Multiple studies have shown that the addition of some types of plant fibers to PLA (to form PLA biocomposites) accelerates both water transport in the material and hydrolysis, presenting a possible avenue for improving the end-of-life degradation of these materials. To facilitate the continued development of materials with enhanced biodegradability, we identify a need to implement testing protocols that can distinguish between different degradation mechanisms.
Collapse
Affiliation(s)
- Sina Momeni
- Department
of Chemical and Materials Engineering, University
of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Kaylee Craplewe
- Department
of Chemical and Materials Engineering, University
of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Muhammad Safder
- Department
of Chemical and Materials Engineering, University
of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Sandra Luz
- Department
of Automotive Engineering, University of
Brasília, Brasília 70910-900, Brazil
| | - Dominic Sauvageau
- Department
of Chemical and Materials Engineering, University
of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Anastasia Elias
- Department
of Chemical and Materials Engineering, University
of Alberta, Edmonton, Alberta T6G 1H9, Canada
| |
Collapse
|
19
|
Zhu W, Li W, Yao M, Wang Y, Zhang W, Li C, Wang X, Chen W, Lv H. Mineralized Collagen/Polylactic Acid Composite Scaffolds for Load-Bearing Bone Regeneration in a Developmental Model. Polymers (Basel) 2023; 15:4194. [PMID: 37896438 PMCID: PMC10610794 DOI: 10.3390/polym15204194] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/23/2023] [Accepted: 10/18/2023] [Indexed: 10/29/2023] Open
Abstract
Repairing load-bearing bone defects in children remains a big clinical challenge. Mineralized collagen (MC) can effectively simulate natural bone composition and hierarchical structure and has a good biocompatibility and bone conductivity. Polylactic acid (PLA) is regarded as a gold material because of its mechanical properties and degradability. In this study, we prepare MC/PLA composite scaffolds via in situ mineralization and freeze-drying. Cell, characterization, and animal experiments compare and evaluate the biomimetic properties and repair effects of the MC/PLA scaffolds. Phalloidin and DAPI staining results show that the MC/PLA scaffolds are not cytotoxic. CCK-8 and scratch experiments prove that the scaffolds are superior to MC and hydroxyapatite (HA)/PLA scaffolds in promoting cell proliferation and migration. The surface and interior of the MC/PLA scaffolds exhibit rich interconnected pore structures with a porosity of ≥70%. The XRD patterns are typical HA waveforms. X-ray, micro-CT, and H&E staining reveal that the defect boundary disappears, new bone tissue grows into MC/PLA scaffolds in a large area, and the scaffolds are degraded after six months of implantation. The MC/PLA composite scaffold has a pore structure and composition similar to cancellous bone, with a good biocompatibility and bone regeneration ability.
Collapse
Affiliation(s)
- Wenbo Zhu
- Department of Orthopaedic Surgery, Hebei Medical University Third Hospital, No. 139 Ziqiang Road, Shijiazhuang 050051, China; (W.Z.); (W.L.); (M.Y.); (Y.W.); (C.L.)
- Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No. 139 Ziqiang Road, Shijiazhuang 050051, China
- National Health Commission Key Laboratory of Intelligent Orthopaedic Equipment, Hebei Medical University Third Hospital, No. 139 Ziqiang Road, Shijiazhuang 050051, China
| | - Wenjing Li
- Department of Orthopaedic Surgery, Hebei Medical University Third Hospital, No. 139 Ziqiang Road, Shijiazhuang 050051, China; (W.Z.); (W.L.); (M.Y.); (Y.W.); (C.L.)
- Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No. 139 Ziqiang Road, Shijiazhuang 050051, China
- National Health Commission Key Laboratory of Intelligent Orthopaedic Equipment, Hebei Medical University Third Hospital, No. 139 Ziqiang Road, Shijiazhuang 050051, China
| | - Mengxuan Yao
- Department of Orthopaedic Surgery, Hebei Medical University Third Hospital, No. 139 Ziqiang Road, Shijiazhuang 050051, China; (W.Z.); (W.L.); (M.Y.); (Y.W.); (C.L.)
- Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No. 139 Ziqiang Road, Shijiazhuang 050051, China
- National Health Commission Key Laboratory of Intelligent Orthopaedic Equipment, Hebei Medical University Third Hospital, No. 139 Ziqiang Road, Shijiazhuang 050051, China
| | - Yan Wang
- Department of Orthopaedic Surgery, Hebei Medical University Third Hospital, No. 139 Ziqiang Road, Shijiazhuang 050051, China; (W.Z.); (W.L.); (M.Y.); (Y.W.); (C.L.)
- Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No. 139 Ziqiang Road, Shijiazhuang 050051, China
- National Health Commission Key Laboratory of Intelligent Orthopaedic Equipment, Hebei Medical University Third Hospital, No. 139 Ziqiang Road, Shijiazhuang 050051, China
| | - Wei Zhang
- Department of Pathology, Hebei Medical University, No. 361 Zhongshan Road, Shijiazhuang 050017, China;
| | - Chao Li
- Department of Orthopaedic Surgery, Hebei Medical University Third Hospital, No. 139 Ziqiang Road, Shijiazhuang 050051, China; (W.Z.); (W.L.); (M.Y.); (Y.W.); (C.L.)
- Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No. 139 Ziqiang Road, Shijiazhuang 050051, China
- National Health Commission Key Laboratory of Intelligent Orthopaedic Equipment, Hebei Medical University Third Hospital, No. 139 Ziqiang Road, Shijiazhuang 050051, China
| | - Xiumei Wang
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, No. 30 Shuangqing Road, Beijing 100084, China;
| | - Wei Chen
- Department of Orthopaedic Surgery, Hebei Medical University Third Hospital, No. 139 Ziqiang Road, Shijiazhuang 050051, China; (W.Z.); (W.L.); (M.Y.); (Y.W.); (C.L.)
- Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No. 139 Ziqiang Road, Shijiazhuang 050051, China
- National Health Commission Key Laboratory of Intelligent Orthopaedic Equipment, Hebei Medical University Third Hospital, No. 139 Ziqiang Road, Shijiazhuang 050051, China
| | - Hongzhi Lv
- Department of Orthopaedic Surgery, Hebei Medical University Third Hospital, No. 139 Ziqiang Road, Shijiazhuang 050051, China; (W.Z.); (W.L.); (M.Y.); (Y.W.); (C.L.)
- Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No. 139 Ziqiang Road, Shijiazhuang 050051, China
- National Health Commission Key Laboratory of Intelligent Orthopaedic Equipment, Hebei Medical University Third Hospital, No. 139 Ziqiang Road, Shijiazhuang 050051, China
| |
Collapse
|
20
|
Campanelli-Morais Y, Silva CHF, Dantas MRDN, Sabry DA, Sassaki GL, Moreira SMG, Rocha HAO. A Blend Consisting of Agaran from Seaweed Gracilaria birdiae and Chromium Picolinate Is a Better Antioxidant Agent than These Two Compounds Alone. Mar Drugs 2023; 21:388. [PMID: 37504919 PMCID: PMC10381178 DOI: 10.3390/md21070388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 06/24/2023] [Accepted: 06/27/2023] [Indexed: 07/29/2023] Open
Abstract
A blend refers to the combination of two or more components to achieve properties that are superior to those found in the individual products used for their production. Gracilaria birdiae agaran (SPGb) and chromium picolinate (ChrPic) are both antioxidant agents. However, there is no documentation of blends that incorporate agarans and ChrPic. Hence, the objective of this study was to generate blends containing SPGb and ChrPic that exhibit enhanced antioxidant activity compared to SPGb or ChrPic alone. ChrPic was commercially acquired, while SPGb was extracted from the seaweed. Five blends (B1; B2; B3; B4; B5) were produced, and tests indicated B5 as the best antioxidant blend. B5 was not cytotoxic or genotoxic. H2O2 (0.6 mM) induced toxicity in fibroblasts (3T3), and this effect was abolished by B5 (0.05 mg·mL-1); neither ChrPic nor SPGb showed this effect. The cells also showed no signs of toxicity when exposed to H2O2 after being incubated with B5 and ChrPic for 24 h. In another experiment, cells were incubated with H2O2 and later exposed to SPGb, ChrPic, or B5. Again, SPGb was not effective, while cells exposed to ChrPic and B5 reduced MTT by 100%. The data demonstrated that B5 has activity superior to SPGb and ChrPic and points to B5 as a product to be used in future in vivo tests to confirm its antioxidant action. It may also be indicated as a possible nutraceutical agent.
Collapse
Affiliation(s)
- Yara Campanelli-Morais
- Programa de Pós-Graduação em Bioquimica e Biologia Molecular, Universidade Federal do Rio Grande do Norte (UFRN), Natal 59078-900, Brazil
| | - Cynthia Haynara Ferreira Silva
- Programa de Pós-Graduação em Bioquimica e Biologia Molecular, Universidade Federal do Rio Grande do Norte (UFRN), Natal 59078-900, Brazil
| | - Marina Rocha do Nascimento Dantas
- Programa de Pós-Graduação em Bioquimica e Biologia Molecular, Universidade Federal do Rio Grande do Norte (UFRN), Natal 59078-900, Brazil
| | - Diego Araujo Sabry
- Dapartamento de Bioquímica, Universidade Federal do Rio Grande do Norte (UFRN), Natal 59078-900, Brazil
| | - Guilherme Lanzi Sassaki
- Departamento de Bioquímica e Biologia Molecular, Setor de Ciências Biológicas, Universidade Federal do Paraná (UFPR), Curitiba 81531-980, Brazil
| | - Susana Margarida Gomes Moreira
- Programa de Pós-Graduação em Bioquimica e Biologia Molecular, Universidade Federal do Rio Grande do Norte (UFRN), Natal 59078-900, Brazil
- Departamento de Biologia Celular e Genética, Universidade Federal do Rio Grande do Norte (UFRN), Natal 59078-900, Brazil
| | - Hugo Alexandre Oliveira Rocha
- Programa de Pós-Graduação em Bioquimica e Biologia Molecular, Universidade Federal do Rio Grande do Norte (UFRN), Natal 59078-900, Brazil
- Dapartamento de Bioquímica, Universidade Federal do Rio Grande do Norte (UFRN), Natal 59078-900, Brazil
| |
Collapse
|
21
|
de Bomfim ASC, de Oliveira DM, Benini KCCDC, Cioffi MOH, Voorwald HJC, Rodrigue D. Effect of Spent Coffee Grounds on the Crystallinity and Viscoelastic Behavior of Polylactic Acid Composites. Polymers (Basel) 2023; 15:2719. [PMID: 37376365 DOI: 10.3390/polym15122719] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 06/02/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023] Open
Abstract
This work investigated the addition of spent coffee grounds (SCG) as a valuable resource to produce biocomposites based on polylactic acid (PLA). PLA has a positive biodegradation effect but generates poor proprieties, depending on its molecular structure. The PLA and SCG (0, 10, 20 and 30 wt.%) were mixed via twin-screw extrusion and molded by compression to determine the effect of composition on several properties, including mechanical (impact strength), physical (density and porosity), thermal (crystallinity and transition temperature) and rheological (melt and solid state). The PLA crystallinity was found to increase after processing and filler addition (34-70% in the 1st heating) due to a heterogeneous nucleation effect, leading to composites with lower glass transition temperature (1-3 °C) and higher stiffness (~15%). Moreover, the composites had lower density (1.29, 1.24 and 1.16 g/cm3) and toughness (30.2, 26.8 and 19.2 J/m) as the filler content increased, which is associated with the presence of rigid particles and residual extractives from SCG. In the melt state, polymeric chain mobility was enhanced, and composites with a higher filler content became less viscous. Overall, the composite with 20 wt.% SCG provided the most balanced properties being similar to or better than neat PLA but at a lower cost. This composite could be applied not only to replace conventional PLA products, such as packaging and 3D printing, but also to other applications requiring lower density and higher stiffness.
Collapse
Affiliation(s)
- Anne Shayene Campos de Bomfim
- Fatigue and Aeronautical Materials Research Group, Department of Materials and Technology, UNESP-São Paulo State University, Guaratinguetá 12516-410, SP, Brazil
| | - Daniel Magalhães de Oliveira
- Fatigue and Aeronautical Materials Research Group, Department of Materials and Technology, UNESP-São Paulo State University, Guaratinguetá 12516-410, SP, Brazil
| | - Kelly Cristina Coelho de Carvalho Benini
- Fatigue and Aeronautical Materials Research Group, Department of Materials and Technology, UNESP-São Paulo State University, Guaratinguetá 12516-410, SP, Brazil
| | - Maria Odila Hilário Cioffi
- Fatigue and Aeronautical Materials Research Group, Department of Materials and Technology, UNESP-São Paulo State University, Guaratinguetá 12516-410, SP, Brazil
| | - Herman Jacobus Cornelis Voorwald
- Fatigue and Aeronautical Materials Research Group, Department of Materials and Technology, UNESP-São Paulo State University, Guaratinguetá 12516-410, SP, Brazil
| | - Denis Rodrigue
- Center for Research on Advanced Materials (CERMA), Department of Chemical Engineering, Université Laval, Quebec, QC G1V 0A6, Canada
| |
Collapse
|
22
|
Li H, Li Z, Wang N, Peng Y, Jiang Z, Zhang Q. Improving the Mechanical Properties of CCFRPLA by Enhancing the Interface Binding Energy and Strengthening the Anti-Separation Ability of a PLA Matrix. Polymers (Basel) 2023; 15:polym15112554. [PMID: 37299352 DOI: 10.3390/polym15112554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 05/24/2023] [Accepted: 05/31/2023] [Indexed: 06/12/2023] Open
Abstract
Additive manufacturing (AM) can produce almost any product shape through layered stacking. The usability of continuous fiber-reinforced polymers (CFRP) fabricated by AM, however, is restricted owing to the limitations of no reinforcing fibers in the lay-up direction and weak interface bonding between the fibers and matrix. This study presents molecular dynamics in conjunction with experiments to explore how ultrasonic vibration enhances the performance of continuous carbon fiber-reinforced polylactic acid (CCFRPLA). Ultrasonic vibration improves the mobility of PLA matrix molecular chains by causing alternative fractures of chains, promoting crosslinking infiltration among polymer chains, and facilitating interactions between carbon fibers and the matrix. The increase in entanglement density and conformational changes enhanced the density of the PLA matrix and strengthened its anti-separation ability. In addition, ultrasonic vibration shortens the distance between the molecules of the fiber and matrix, improving the van der Waals force and thus promoting the interface binding energy between them, which ultimately achieves an overall improvement in the performance of CCFRPLA. The bending strength and interlaminar shear strength of the specimen treated with 20 W ultrasonic vibration reached 111.5 MPa and 10.16 MPa, respectively, 33.11% and 21.5% higher than those of the untreated specimen, consistent with the molecular dynamics simulations, and confirmed the effectiveness of ultrasonic vibration in improving the flexural and interlaminar properties of the CCFRPLA.
Collapse
Affiliation(s)
- Hongbin Li
- Department of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China
- School of Mechanical Engineering, Tianjin University, Tianjin 300354, China
| | - Zhihua Li
- Department of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China
| | - Na Wang
- Department of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China
| | - Yubao Peng
- Department of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China
| | - Zhuang Jiang
- Department of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China
| | - Qiushuang Zhang
- Department of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China
| |
Collapse
|
23
|
Verstraete S, Buffel B, Madhav D, Debruyne S, Desplentere F. Short Flax Fibres and Shives as Reinforcements in Bio Composites: A Numerical and Experimental Study on the Mechanical Properties. Polymers (Basel) 2023; 15:polym15102239. [PMID: 37242818 DOI: 10.3390/polym15102239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 05/04/2023] [Accepted: 05/06/2023] [Indexed: 05/28/2023] Open
Abstract
The complete flax stem, which contains shives and technical fibres, has the potential to reduce the cost, energy consumption and environmental impacts of the composite production process if used directly as reinforcement in a polymer matrix. Earlier studies have utilised flax stem as reinforcement in non-bio-based and non-biodegradable matrices not completely exploiting the bio-sourced and biodegradable nature of flax. We investigated the potential of using flax stem as reinforcement in a polylactic acid (PLA) matrix to produce a lightweight, fully bio-based composite with improved mechanical properties. Furthermore, we developed a mathematical approach to predict the material stiffness of the full composite part produced by the injection moulding process, considering a three-phase micromechanical model, where the effects of local orientations are accounted. Injection moulded plates with a flax content of up to 20 V% were fabricated to study the effect of flax shives and full straw flax on the mechanical properties of the material. A 62% increase in longitudinal stiffness was obtained, resulting in a 10% higher specific stiffness, compared to a short glass fibre-reinforced reference composite. Moreover, the anisotropy ratio of the flax-reinforced composite was 21% lower, compared to the short glass fibre material. This lower anisotropy ratio is attributed to the presence of the flax shives. Considering the fibre orientation in the injection moulded plates predicted with Moldflow simulations, a high agreement between experimental and predicted stiffness data was obtained. The use of flax stems as polymer reinforcement provides an alternative to the use of short technical fibres that require intensive extraction and purification steps and are known to be cumbersome to feed to the compounder.
Collapse
Affiliation(s)
- Sofie Verstraete
- Research Group ProPoliS, Department of Materials Engineering, KU Leuven Campus Bruges, Spoorwegstraat 12, 8200 Bruges, Belgium
| | - Bart Buffel
- Research Group ProPoliS, Department of Materials Engineering, KU Leuven Campus Bruges, Spoorwegstraat 12, 8200 Bruges, Belgium
| | - Dharmjeet Madhav
- Surface and Interface Engineered Materials, Department of Materials Engineering, KU Leuven Campus Bruges, Spoorwegstraat 12, 8200 Bruges, Belgium
| | - Stijn Debruyne
- Research Group M-Group, Department of Mechanical Engineering, KU Leuven Campus Bruges, Spoorwegstraat 12, 8200 Bruges, Belgium
| | - Frederik Desplentere
- Research Group ProPoliS, Department of Materials Engineering, KU Leuven Campus Bruges, Spoorwegstraat 12, 8200 Bruges, Belgium
| |
Collapse
|
24
|
Nukala SG, Kong I, Kakarla AB, Patel VI, Abuel-Naga H. Simulation of Wood Polymer Composites with Finite Element Analysis. Polymers (Basel) 2023; 15:polym15091977. [PMID: 37177125 PMCID: PMC10180933 DOI: 10.3390/polym15091977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/03/2023] [Accepted: 04/18/2023] [Indexed: 05/15/2023] Open
Abstract
Wood is a cellulosic material that is most abundantly available in nature. Wood has been extensively used as reinforcement in polymer composite materials. Wood polymer composite (WPC) is an environmentally friendly and sustainable material exploited in building and construction within the marine, packaging, housewares, aerospace, and automotive industries. However, the precision of testing equipment for finding the properties of WPCs becomes less feasible compared to experimental analysis due to a high degree of differences in the measurement of properties such as stress, strain and deformation. Thus, evaluating the mechanical properties of WPCs using finite element analysis (FEA) can aid in overcoming the inadequacies in measuring physical properties prior to experimental analyses. Furthermore, the prediction of mechanical properties using simulation tools has evolved to analyze novel material performance under various conditions. The current study aimed to examine the mechanical properties of saw dust-reinforced recycled polypropylene (rPP) through experimentation and FEA. A model was developed using SolidWorks, and simulation was performed in ANSYS to predict the mechanical properties of the WPCs. To validate the obtained results, the simulated static tension test results were confirmed with experimental tension tests, and both assessments were well in accordance with each other. Using FEA to predict material properties could be a cost-effective technique in studying new materials under varied load conditions.
Collapse
Affiliation(s)
- Satya Guha Nukala
- Department of Engineering, School of Computing, Engineering and Mathematical Sciences, La Trobe University, Bendigo, VIC 3552, Australia
| | - Ing Kong
- Department of Engineering, School of Computing, Engineering and Mathematical Sciences, La Trobe University, Bendigo, VIC 3552, Australia
| | - Akesh Babu Kakarla
- Department of Engineering, School of Computing, Engineering and Mathematical Sciences, La Trobe University, Bendigo, VIC 3552, Australia
| | - Vipulkumar Ishvarbhai Patel
- Department of Engineering, School of Computing, Engineering and Mathematical Sciences, La Trobe University, Bendigo, VIC 3552, Australia
| | - Hossam Abuel-Naga
- Department of Engineering, School of Computing, Engineering and Mathematical Sciences, La Trobe University, Melbourne, VIC 3086, Australia
| |
Collapse
|
25
|
Gurupranes SV, Rajendran I, Gokulkumar S, Aravindh M, Sathish S, Elias Uddin M. Preparation, Characteristics, and Application of Biopolymer Materials Reinforced with Lignocellulosic Fibres. INT J POLYM SCI 2023. [DOI: 10.1155/2023/1738967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023] Open
Abstract
Various environmental concerns motivate scientists and researchers to look out for unique new materials in science and technology. In order to address the demand for polymeric materials with partial biodegradability, the usage of lignocellulosic fibre in the polymer matrix has risen. Lignocellulosic fibres are a cheap, easily renewable resource that is readily available in all regions. Cellulosic plant fibres also have a plethora of possibilities for use in polymer reinforcement because of their properties. Many researchers put their effort into developing a natural polymer with better mechanical properties and thermal stability using nanotechnology and the use of natural polymers to make its composites with lignocellulosic fibres. This study provides a review of the biodegradable composite market, processing methods, matrix-reinforcement phases, morphology, and characteristic improvements. In addition, it provides a concise summary of the findings of significant research on natural fibre polymer composites (NFRCs) that have been published. Indeed, a noticeably brief discussion is provided on the significant issues faced during composite extraction as well as the challenges encountered during the machining. Recent developments in the study of lignocellulosic fibre composites or NFRCs have demonstrated their enormous potential as structural elements in vehicles, aerospace structures, buildings, ballistics, soundproofing, and other structures.
Collapse
Affiliation(s)
- S. V. Gurupranes
- Department of Mechanical Engineering, Dr. Mahalingam College of Engineering and Technology, Pollachi, Tamil Nadu 642003, India
| | - I. Rajendran
- Department of Mechanical Engineering, Dr. Mahalingam College of Engineering and Technology, Pollachi, Tamil Nadu 642003, India
| | - S. Gokulkumar
- Department of Mechanical Engineering, KPR Institute of Engineering and Technology, Arasur, Coimbatore, Tamil Nadu 641407, India
| | - M. Aravindh
- Department of Mechanical Engineering, KPR Institute of Engineering and Technology, Arasur, Coimbatore, Tamil Nadu 641407, India
| | - S. Sathish
- Department of Mechanical Engineering, KPR Institute of Engineering and Technology, Arasur, Coimbatore, Tamil Nadu 641407, India
| | - Md. Elias Uddin
- Department of Leather Engineering, Faculty of Mechanical Engineering, Khulna University of Engineering & Technology, Khulna 9203, Bangladesh
| |
Collapse
|
26
|
Hazrol M, Sapuan S, Ilyas R, Zainudin E, Zuhri M, Abdul N. Effect of corn husk fibre loading on thermal and biodegradable properties of kenaf/cornhusk fibre reinforced corn starch-based hybrid composites. Heliyon 2023; 9:e15153. [PMID: 37095902 PMCID: PMC10121401 DOI: 10.1016/j.heliyon.2023.e15153] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 03/26/2023] [Accepted: 03/28/2023] [Indexed: 04/05/2023] Open
Abstract
This paper documents the thermal and biodegradation behaviour of kenaf/cornhusk fiber reinforced corn starch-based hybrid composites film (CS/K-CH) produced by solution casting method. To develop both components as biodegradable hybrid composite, this research used corn starch as matrix, kenaf fiber and cornhusk fibre as a filler. Changes in physical structure and weight from the soil burial test were measured using Mettler Toledo digital balance ME. Films produced from physically blended corn starch reinforced kenaf biocomposites films (CS/K) biocomposite film had faster biodegradation and lost 96.18% of weight within 10 days compared with corn starch hybrid composites that only lost 83.82% of total weight. It was observed that the control film, CS/K biocomposite film was completely degraded after 10 days, meanwhile it took 12 days for hybrid composite films to be fully degrade. The thermal properties such as TGA and DTG were also measured. Addition of corn husk fiber significantly improve the film's thermal properties. Glass transition temperatures of corn starch hybrid films were significantly lowered when cornhusk compositions were increased from 0.2% wt to 0.8% wt. Importantly, the current work has demonstrated that hybrid films made of corn starch can be a suitable biodegradable material for substitute synthetic plastic.
Collapse
|
27
|
Goetjes V, von Boyneburgk CL, Heim HP, Horn MM. Influence of Chitosan and Grape Seed Extract on Thermal and Mechanical Properties of PLA Blends. Polymers (Basel) 2023; 15:polym15061570. [PMID: 36987350 PMCID: PMC10051302 DOI: 10.3390/polym15061570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/17/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
Blends based on polylactic acid (PLA), chitosan, and grape seed extract (GE) were prepared by extrusion and injection molding. The effect of chitosan (5% and 15% on PLA basis) and natural extract (1% on PLA basis) incorporated into the PLA host matrix was explored regarding the thermal and mechanical properties. GE showed antioxidant activity, as determined by the DPPH assay method. Chitosan and GE affect the degree of crystallinity up to 30% as the polysaccharide acts as a nucleating agent, while the extract reduces the mobility of PLA chains. The decomposition temperature was mainly affected by adding chitosan, with a reduction of up to 25 °C. The color of the blends was specially modified after the incorporation of both components, obtaining high values of b* and L* after the addition of chitosan, while GE switched to high values of a*. The elongation at break (EB) exhibited that the polysaccharide is mainly responsible for its reduction of around 50%. Slight differences were accessed in tensile strength and Young's modulus, which were not statistically significant. Blends showed increased irregularities in their surface appearance, as observed by SEM analysis, corresponding to the partial miscibility of both polymers.
Collapse
Affiliation(s)
- Victoria Goetjes
- Institute of Material Engineering, Polymer Engineering, University of Kassel, Mönchebergstr. 3, 34125 Kassel, Germany
| | - Claudia L von Boyneburgk
- Institute of Material Engineering, Polymer Engineering, University of Kassel, Mönchebergstr. 3, 34125 Kassel, Germany
| | - Hans-Peter Heim
- Institute of Material Engineering, Polymer Engineering, University of Kassel, Mönchebergstr. 3, 34125 Kassel, Germany
| | - Marilia M Horn
- Physical Chemistry of Nanomaterials, Institute of Chemistry and Center for Interdisciplinary Nanostructure Science and Technology (CINSaT), University of Kassel, Heinich-Plett Straße 40, 34109 Kassel, Germany
| |
Collapse
|
28
|
Castañeda-Rodríguez S, González-Torres M, Ribas-Aparicio RM, Del Prado-Audelo ML, Leyva-Gómez G, Gürer ES, Sharifi-Rad J. Recent advances in modified poly (lactic acid) as tissue engineering materials. J Biol Eng 2023; 17:21. [PMID: 36941601 PMCID: PMC10029204 DOI: 10.1186/s13036-023-00338-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 03/07/2023] [Indexed: 03/23/2023] Open
Abstract
As an emerging science, tissue engineering and regenerative medicine focus on developing materials to replace, restore or improve organs or tissues and enhancing the cellular capacity to proliferate, migrate and differentiate into different cell types and specific tissues. Renewable resources have been used to develop new materials, resulting in attempts to produce various environmentally friendly biomaterials. Poly (lactic acid) (PLA) is a biopolymer known to be biodegradable and it is produced from the fermentation of carbohydrates. PLA can be combined with other polymers to produce new biomaterials with suitable physicochemical properties for tissue engineering applications. Here, the advances in modified PLA as tissue engineering materials are discussed in light of its drawbacks, such as biological inertness, low cell adhesion, and low degradation rate, and the efforts conducted to address these challenges toward the design of new enhanced alternative biomaterials.
Collapse
Affiliation(s)
- Samanta Castañeda-Rodríguez
- Conacyt & Laboratorio de Biotecnología, Instituto Nacional de Rehabilitación, Ciudad de Mexico, Mexico
- Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional (IPN), Ciudad de Mexico, Mexico
| | - Maykel González-Torres
- Conacyt & Laboratorio de Biotecnología, Instituto Nacional de Rehabilitación, Ciudad de Mexico, Mexico.
- Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional (IPN), Ciudad de Mexico, Mexico.
| | - Rosa María Ribas-Aparicio
- Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional (IPN), Ciudad de Mexico, Mexico
| | | | - Gerardo Leyva-Gómez
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
| | - Eda Sönmez Gürer
- Faculty of Pharmacy, Department of Pharmacognosy, Sivas Cumhuriyet University, Sivas, Turkey
| | | |
Collapse
|
29
|
Vilas Boas EVDB, do Lago RC, Oliveira ALMD. Rice thermoplastic starch nanocomposite films reinforced with nanocellulose. PHYSICAL SCIENCES REVIEWS 2023. [DOI: 10.1515/psr-2022-0022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
Abstract
Rice starch is a raw material with proven potential in obtaining biodegradable polymers. Plasticization improves the flexibility characteristics of starch-based films, although they still tend to have low tensile strength and high hydrophilicity. The addition of nanocellulosic materials is an alternative to improve these characteristics. In this chapter, the effects of adding different sources and concentrations of nanocellulose (NC) on the properties of thermoplastic rice starch films (TRSF) are addressed. One can highlight as main effects the increase of tensile strength and transparency of the films, the reduction of water vapor permeability and water solubility. The type of NC used, the way it is obtained, as well as its interaction with starch molecules are factors that influence the effects. Further studies involving the interaction of TRSF and NC should be conducted in order to overcome the lack of information.
Collapse
Affiliation(s)
| | - Rafael Carvalho do Lago
- Food Science Department , Federal University of Lavras , 37200-900 , Lavras , Minas Gerais , Brazil
| | | |
Collapse
|
30
|
Highly functional nanocellulose-reinforced thermoplastic starch-based nanocomposites. PHYSICAL SCIENCES REVIEWS 2023. [DOI: 10.1515/psr-2022-0038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
Abstract
Abstract
Starch/nanocellulose nanocomposite is of interest because of its potential applications in the field of biodegradable food packaging and biomedical applications thanks to its safe, biodegradable, fabricated by simple traditional methods, and cheap. The starch reinforced by nanocellulose significantly improved the physicochemical properties, especially the mechanical properties, thermal stability as well as barrier properties, compared to the starch matrix. With outstanding advantages compared to polymer nanocomposites derived from petroleum, the starch/nanocellulose composite is considered a potential agent for biodegradable food packaging and biomedical technology.
Collapse
|
31
|
Jia Y, Jiang Y, He Y, Zhang W, Zou J, Magar KT, Boucetta H, Teng C, He W. Approved Nanomedicine against Diseases. Pharmaceutics 2023; 15:pharmaceutics15030774. [PMID: 36986635 PMCID: PMC10059816 DOI: 10.3390/pharmaceutics15030774] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/08/2023] [Accepted: 02/18/2023] [Indexed: 03/03/2023] Open
Abstract
Nanomedicine is a branch of medicine using nanotechnology to prevent and treat diseases. Nanotechnology represents one of the most effective approaches in elevating a drug‘s treatment efficacy and reducing toxicity by improving drug solubility, altering biodistribution, and controlling the release. The development of nanotechnology and materials has brought a profound revolution to medicine, significantly affecting the treatment of various major diseases such as cancer, injection, and cardiovascular diseases. Nanomedicine has experienced explosive growth in the past few years. Although the clinical transition of nanomedicine is not very satisfactory, traditional drugs still occupy a dominant position in formulation development, but increasingly active drugs have adopted nanoscale forms to limit side effects and improve efficacy. The review summarized the approved nanomedicine, its indications, and the properties of commonly used nanocarriers and nanotechnology.
Collapse
Affiliation(s)
- Yuanchao Jia
- Nanjing Vtrying Pharmatech Co., Ltd., Nanjing 211122, China
- School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Yuxin Jiang
- School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Yonglong He
- School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Wanting Zhang
- School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Jiahui Zou
- School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | | | - Hamza Boucetta
- School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Chao Teng
- School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
- Correspondence: (C.T.); (W.H.)
| | - Wei He
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200443, China
- Correspondence: (C.T.); (W.H.)
| |
Collapse
|
32
|
Baochai L, Bakar AA, Mohamad Z. An overview of the recent advances in flame retarded poly(lactic acid). POLYM ADVAN TECHNOL 2023. [DOI: 10.1002/pat.5990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Li Baochai
- Department of Bioprocess and Polymer Engineering Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia Johor Bahru Malaysia
- Department of Applied Chemistry Hengshui University Hengshui China
| | - Aznizam Abu Bakar
- Department of Bioprocess and Polymer Engineering Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia Johor Bahru Malaysia
| | - Zurina Mohamad
- Department of Bioprocess and Polymer Engineering Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia Johor Bahru Malaysia
| |
Collapse
|
33
|
Nafis ZAS, Nuzaimah M, Kudus SIA, Yusuf Y, Ilyas RA, Knight VF, Norrrahim MNF. Effect of Wood Dust Fibre Treatments Reinforcement on the Properties of Recycled Polypropylene Composite (r-WoPPC) Filament for Fused Deposition Modelling (FDM). MATERIALS (BASEL, SWITZERLAND) 2023; 16:479. [PMID: 36676215 PMCID: PMC9863263 DOI: 10.3390/ma16020479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/05/2022] [Accepted: 12/14/2022] [Indexed: 06/17/2023]
Abstract
The efficacy of wood dust fibre treatment on the property of wood dust reinforced recycled polypropylene composite (r-WoPPC) filament was investigated. The wood dust fibre was treated using alkali, silane, and NaOH-silane. The treated wood fibre was incorporated with r-PP using a twin-screw extruder to produce filament. The silane treatment on wood dust fibre enhances interfacial bonding between wood fibre and recycled PP; hence, a filament has the highest wire pull strength, which is 35.2% higher compared to untreated and alkaline-treated wood dust filament. It is because silanol in silane forms a siloxane bond that acts as a coupling agent that improves interfacial bonding between wood dust fibre and recycled PP. The SEM micrograph of the fracture structure reveals that treated silane has strong interfacial bonding between wood dust fibre and recycled PP, having minimal void, gap, and good fibre adhesion. The water absorption test results indicate that filament with treated wood dust absorbs less water than filament with untreated wood because the treatment minimizes the gap between wood fibres and recycled PP. The FTIR analysis identified the presence of silane on the wood dust surface for silane-treated wood dust. The DSC studies suggest that the temperature range 167-170 °C be used in the extrusion machine to produce r-WoPPC filament. As a result, r-WoPPc filaments containing silane-treated wood dust have better mechanical properties and have a greater potential for usage in FDM applications.
Collapse
Affiliation(s)
- Z. A. S. Nafis
- Fakulti Kejuruteraan Mekanikal, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, Durian Tunggal 76100, Melaka, Malaysia
| | - M. Nuzaimah
- Fakulti Teknologi Kejuruteraan Mekanikal dan Pembuatan, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, Durian Tunggal 76100, Melaka, Malaysia
| | - S. I. Abdul Kudus
- Fakulti Teknologi Kejuruteraan Mekanikal dan Pembuatan, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, Durian Tunggal 76100, Melaka, Malaysia
| | - Y. Yusuf
- Fakulti Teknologi Kejuruteraan Mekanikal dan Pembuatan, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, Durian Tunggal 76100, Melaka, Malaysia
| | - R. A. Ilyas
- Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Johor, Malaysia
- Centre for Advanced Composite Materials, Universiti Teknologi Malaysia, Johor Bahru 81310, Johor, Malaysia
- Institute of Tropical Forestry and Forest Products, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
- Centre of Excellence for Biomass Utilization, Universiti Malaysia Perlis, Arau 02600, Perlis, Malaysia
| | - V. F. Knight
- Research Centre for Chemical Defence, Universiti Pertahanan Nasional Malaysia, Kem Perdana Sungai Besi, Kuala Lumpur 57000, Malaysia
| | - M. N. F. Norrrahim
- Research Centre for Chemical Defence, Universiti Pertahanan Nasional Malaysia, Kem Perdana Sungai Besi, Kuala Lumpur 57000, Malaysia
| |
Collapse
|
34
|
Taharuddin NH, Jumaidin R, Ilyas RA, Kamaruddin ZH, Mansor MR, Md Yusof FA, Knight VF, Norrrahim MNF. Effect of Agar on the Mechanical, Thermal, and Moisture Absorption Properties of Thermoplastic Sago Starch Composites. MATERIALS (BASEL, SWITZERLAND) 2022; 15:8954. [PMID: 36556760 PMCID: PMC9781869 DOI: 10.3390/ma15248954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/25/2022] [Accepted: 11/29/2022] [Indexed: 06/17/2023]
Abstract
Thermoplastic starch is a material that has the potential to be environmentally friendly and biodegradable. However, it has certain drawbacks concerning its mechanical performance and is sensitive to the presence of moisture. The current study assessed agar-containing thermoplastic sago starch (TPSS) properties at various loadings. Variable proportions of agar (5%, 10%, and 15% wt%) were used to produce TPSS by the hot-pressing method. Then, the samples were subjected to characterisation using scanning electron microscopy (SEM), mechanical analysis, differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FT-IR), and moisture absorption tests. The results demonstrated that adding agar to starch-based thermoplastic blends significantly improved their tensile, flexural, and impact properties. The samples' morphology showed that the fracture had become more erratic and uneven after adding agar. FT-IR revealed that intermolecular hydrogen bonds formed between TPSS and agar. Moreover, with an increase in agar content, TPSS's thermal stability was also increased. However, the moisture absorption values among the samples increased slightly as the amount of agar increased. Overall, the proposed TPSS/agar blend has the potential to be employed as biodegradable material due to its improved mechanical characteristics.
Collapse
Affiliation(s)
- Nurul Hanan Taharuddin
- Fakulti Kejuruteraan Mekanikal, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, Durian Tunggal 76100, Malaysia
- German-Malaysian Institute, Jalan Ilmiah, Taman Universiti, Kajang 43000, Malaysia
| | - Ridhwan Jumaidin
- Fakulti Teknologi Kejuruteraan Mekanikal dan Pembuatan, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, Durian Tunggal 76100, Malaysia
| | - Rushdan Ahmad Ilyas
- Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Malaysia
- Centre for Advanced Composite Materials (CACM), Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Malaysia
| | - Zatil Hazrati Kamaruddin
- German-Malaysian Institute, Jalan Ilmiah, Taman Universiti, Kajang 43000, Malaysia
- Advanced Engineering Materials and Composites Research Centre, Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia
| | - Muhd Ridzuan Mansor
- Fakulti Kejuruteraan Mekanikal, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, Durian Tunggal 76100, Malaysia
| | - Fahmi Asyadi Md Yusof
- Malaysian Institute of Chemical and Bioengineering Technology, Universiti Kuala Lumpur, Alor Gajah 78000, Malaysia
| | - Victor Feizal Knight
- Research Centre for Chemical Defence, Universiti Pertahanan Nasional Malaysia, Kem Perdana Sungai Besi, Kuala Lumpur 57000, Malaysia
| | - Mohd Nor Faiz Norrrahim
- Research Centre for Chemical Defence, Universiti Pertahanan Nasional Malaysia, Kem Perdana Sungai Besi, Kuala Lumpur 57000, Malaysia
| |
Collapse
|
35
|
Li X, Lin Y, Liu M, Meng L, Li C. A review of research and application of polylactic acid composites. J Appl Polym Sci 2022. [DOI: 10.1002/app.53477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Affiliation(s)
- Xiangrui Li
- Key Laboratory of Wood Materials Science and Engineering, School of Materials Science and Engineering Beihua University Jilin China
| | - Yu Lin
- Key Laboratory of Wood Materials Science and Engineering, School of Materials Science and Engineering Beihua University Jilin China
| | - Mingli Liu
- Key Laboratory of Wood Materials Science and Engineering, School of Materials Science and Engineering Beihua University Jilin China
| | - Lipeng Meng
- Forestry Resource Utilization Institute Jilin Forestry Scientific Research Institute Jilin China
| | - Chunfeng Li
- Key Laboratory of Wood Materials Science and Engineering, School of Materials Science and Engineering Beihua University Jilin China
| |
Collapse
|
36
|
UV-protective and high-transparency poly(lactic acid) biocomposites for ecofriendly packaging of perishable fruits. Int J Biol Macromol 2022; 222:927-937. [DOI: 10.1016/j.ijbiomac.2022.09.219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/21/2022] [Accepted: 09/24/2022] [Indexed: 11/21/2022]
|
37
|
Co-pyrolysis of Soursop (Annona muricata) and Mango (Mangifera indica) Seeds: A Route to High-Quality Bio-oil. CHEMISTRY AFRICA 2022. [DOI: 10.1007/s42250-022-00536-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
38
|
Rahman I, Singh P, Dev N, Arif M, Yusufi FNK, Azam A, Alam MM, Singh S, Chohan JS, Kumar R, Sharma L, Tag-Eldin E, Sharma S, Asyraf MRM. Improvements in the Engineering Properties of Cementitious Composites Using Nano-Sized Cement and Nano-Sized Additives. MATERIALS (BASEL, SWITZERLAND) 2022; 15:ma15228066. [PMID: 36431551 PMCID: PMC9696350 DOI: 10.3390/ma15228066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/03/2022] [Accepted: 11/03/2022] [Indexed: 05/08/2023]
Abstract
The findings of an extensive experimental research study on the usage of nano-sized cement powder and other additives combined to form cement-fine-aggregate matrices are discussed in this work. In the laboratory, dry and wet methods were used to create nano-sized cements. The influence of these nano-sized cements, nano-silica fumes, and nano-fly ash in different proportions was studied to the evaluate the engineering properties of the cement-fine-aggregate matrices concerning normal-sized, commercially available cement. The composites produced with modified cement-fine-aggregate matrices were subjected to microscopic-scale analyses using a petrographic microscope, a Scanning Electron Microscope (SEM), and a Transmission Electron Microscope (TEM). These studies unravelled the placement and behaviour of additives in controlling the engineering properties of the mix. The test results indicated that nano-cement and nano-sized particles improved the engineering properties of the hardened cement matrix. The wet-ground nano-cement showed the best result, 40 MPa 28th-day compressive strength, without mixing any additive compared with ordinary and dry-ground cements. The mix containing 50:50 normal and wet-ground cement exhibited 37.20 MPa 28th-day compressive strength. All other mixes with nano-sized dry cement, silica fume, and fly ash with different permutations and combinations gave better results than the normal-cement-fine-aggregate mix. The petrographic studies and the Scanning Electron Microscope (SEM) and Transmission Electron Microscope (TEM) analyses further validated the above findings. Statistical analyses and techniques such as correlation and stepwise multiple regression analysis were conducted to compose a predictive equation to calculate the 28th-day compressive strength. In addition to these methods, a repeated measures Analysis of Variance (ANOVA) was also implemented to analyse the statistically significant differences among three differently timed strength readings.
Collapse
Affiliation(s)
- Ibadur Rahman
- Department of Civil Engineering, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Priyanka Singh
- Department of Civil Engineering, Amity School of Engineering & Technology, Amity University Uttar Pradesh, Noida 201313, India
| | - Nirendra Dev
- Department of Civil Engineering, Delhi Technological University, Shahbad, Daulatpur, Bawana Road, New Delhi 110042, India
| | - Mohammed Arif
- Department of Civil Engineering, Aligarh Muslim University, Aligarh 202002, India
| | - Faiz Noor Khan Yusufi
- Department of Statistics & Operations Research, Aligarh Muslim University, Aligarh 202002, India
| | - Ameer Azam
- Department of Applied Physics, Aligarh Muslim University, Aligarh 202002, India
| | - M. Masroor Alam
- Department of Civil Engineering, Aligarh Muslim University, Aligarh 202002, India
| | - Sandeep Singh
- Department of Civil Engineering, University Center for Research and Development, Chandigarh University, Mohali 140413, India
| | - Jasgurpreet Singh Chohan
- Mechanical Engineering Department, University Center for Research & Development, Chandigarh University, Mohali 140413, India
| | - Raman Kumar
- Mechanical Engineering Department, University Center for Research & Development, Chandigarh University, Mohali 140413, India
| | - Lovneesh Sharma
- Department of Civil Engineering, Universal Institute of Engineering & Technology, Mohali 140413, India
| | - Elsayed Tag-Eldin
- Faculty of Engineering and Technology, Future University in Egypt, New Cairo 11835, Egypt
- Correspondence: (E.T.-E.); or (S.S.)
| | - Shubham Sharma
- Mechanical Engineering Department, University Center for Research & Development, Chandigarh University, Mohali 140413, India
- School of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, China
- Correspondence: (E.T.-E.); or (S.S.)
| | - Muhammad Rizal Muhammad Asyraf
- Engineering Design Research Group (EDRG), Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Malaysia
- Centre for Advanced Composite Materials (CACM), Universiti Teknologi Malaysia, Johor Bahru 81310, Malaysia
| |
Collapse
|
39
|
Nasir MHM, Taha MM, Razali N, Ilyas RA, Knight VF, Norrrahim MNF. Effect of Chemical Treatment of Sugar Palm Fibre on Rheological and Thermal Properties of the PLA Composites Filament for FDM 3D Printing. MATERIALS (BASEL, SWITZERLAND) 2022; 15:ma15228082. [PMID: 36431566 PMCID: PMC9697409 DOI: 10.3390/ma15228082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 11/04/2022] [Accepted: 11/08/2022] [Indexed: 05/14/2023]
Abstract
The thermal and rheological properties of bio-composite filament materials are crucial characteristics in the development of a bio-composite Fused Deposition Modeling (FDM) filament since the printing mechanism of FDM strongly depends on the heating and extrusion process. The effect of chemical treatment on the thermal and rheological properties was investigated to develop composite filaments for FDM using natural fibres such as sugar palm fibre (SPF). SPF underwent alkaline and silane treatment processes before being reinforced with PLA for improving adhesion and removing impurities. Thermogravimetric Analysis (TGA), Differential Scanning Calorimetric (DSC), and Melt Flow Index (MFI) analyses were conducted to identify the differences in thermal properties. Meanwhile, a rheological test was conducted to investigate the shear stress and its viscosity. The TGA test shows that the SPF/PLA composite treated with NaOH and silane showed good thermal stability at 789.5 °C with 0.4% final residue. The DSC results indicate that the melting temperature of all samples is slightly the same at 155 °C (in the range of 1 °C), showing that the treatment does not interfere with the melting temperature of the SPF/PLA composite. Thus, the untreated SPF/PLA composite showed the highest degradation temperature, which was 383.2 °C. The SPF/PLA composite treated with NaOH and silane demonstrated the highest melt flow index of 17.6 g/min. In conclusion, these findings offer a reference point for determining the filament extrusion and printability of SPF/PLA composite filaments.
Collapse
Affiliation(s)
- Mohd Hakim Mohd Nasir
- Faculty of Mechanical Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, Durian Tunggal 76100, Malaysia
| | - Mastura Mohammad Taha
- Faculty of Mechanical and Manufacturing Engineering Technology, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, Durian Tunggal 76100, Malaysia
- Correspondence: (M.M.T.); (M.N.F.N.)
| | - Nadlene Razali
- Faculty of Mechanical Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, Durian Tunggal 76100, Malaysia
| | - Rushdan Ahmad Ilyas
- Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Malaysia
- Centre for Advanced Composite Materials, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Malaysia
- Institute of Tropical Forest and Forest Products (INTROP), Universiti Putra Malaysia, Serdang 43400, Malaysia
| | - Victor Feizal Knight
- Research Centre for Chemical Defence, Universiti Pertahanan Nasional Malaysia, Kem Perdana Sungai Besi, Kuala Lumpur 57000, Malaysia
| | - Mohd Nor Faiz Norrrahim
- Research Centre for Chemical Defence, Universiti Pertahanan Nasional Malaysia, Kem Perdana Sungai Besi, Kuala Lumpur 57000, Malaysia
- Correspondence: (M.M.T.); (M.N.F.N.)
| |
Collapse
|
40
|
Abotbina W, Sapuan SM, Ilyas RA, Sultan MTH, Alkbir MFM, Sulaiman S, Harussani MM, Bayraktar E. Recent Developments in Cassava ( Manihot esculenta) Based Biocomposites and Their Potential Industrial Applications: A Comprehensive Review. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6992. [PMID: 36234333 PMCID: PMC9571773 DOI: 10.3390/ma15196992] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 09/18/2022] [Accepted: 09/30/2022] [Indexed: 06/16/2023]
Abstract
The rapid use of petroleum resources coupled with increased awareness of global environmental problems associated with the use of petroleum-based plastics is a major driving force in the acceptance of natural fibers and biopolymers as green materials. Because of their environmentally friendly and sustainable nature, natural fibers and biopolymers have gained significant attention from scientists and industries. Cassava (Manihot esculenta) is a plant that has various purposes for use. It is the primary source of food in many countries and is also used in the production of biocomposites, biopolymers, and biofibers. Starch from cassava can be plasticized, reinforced with fibers, or blended with other polymers to strengthen their properties. Besides that, it is currently used as a raw material for bioethanol and renewable energy production. This comprehensive review paper explains the latest developments in bioethanol compounds from cassava and gives a detailed report on macro and nano-sized cassava fibers and starch, and their fabrication as blend polymers, biocomposites, and hybrid composites. The review also highlights the potential utilization of cassava fibers and biopolymers for industrial applications such as food, bioenergy, packaging, automotive, and others.
Collapse
Affiliation(s)
- Walid Abotbina
- Advanced Engineering Materials and Composites Research Centre, Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - S. M. Sapuan
- Advanced Engineering Materials and Composites Research Centre, Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - R. A. Ilyas
- Sustainable Waste Management Research Group (SWAM), School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Johor, Malaysia
- Centre for Advanced Composite Materials (CACM), Universiti Teknologi Malaysia, Johor Bahru 81310, Johor, Malaysia
- Laboratory of Biocomposite Technology, Institute of Tropical Forest and Forest Products, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - M. T. H. Sultan
- Department of Aerospace Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - M. F. M. Alkbir
- Advanced Facilities Engineering Technology Research Cluster, Malaysian Institute of Industrial Technology (MITEC), University Kuala Lumpur, Persiaran Sinaran Ilmu, Bandar Seri Alam, Masai 81750, Johor, Malaysia
- Facilities Maintenance Engineering Section, Malaysian Institute of Industrial Technology (MITEC), Universitiy Kuala Lumpur, Johor Bahru 81750, Johor, Malaysia
| | - S. Sulaiman
- Advanced Engineering Materials and Composites Research Centre, Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - M. M. Harussani
- Energy Science and Engineering, Department of Transdisciplinary Science and Engineering, School of Environment and Society, Tokyo Institute of Technology, Meguro 152-8552, Tokyo, Japan
| | - Emin Bayraktar
- School of Mechanical and Manufacturing Engineering, ISAE-SUPMECA Institute of Mechanics of Paris, 93400 Saint-Ouen, France
| |
Collapse
|
41
|
Sun Y, Zheng Z, Wang Y, Yang B, Wang J, Mu W. PLA composites reinforced with rice residues or glass fiber—a review of mechanical properties, thermal properties, and biodegradation properties. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03274-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
|
42
|
Polylactic Acid–Glass Fiber Composites: Structural, Thermal, and Electrical Properties. Polymers (Basel) 2022; 14:polym14194012. [PMID: 36235959 PMCID: PMC9572130 DOI: 10.3390/polym14194012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/18/2022] [Accepted: 09/21/2022] [Indexed: 11/28/2022] Open
Abstract
The aim of this study is to investigate the influence of different glass fibers made of commercial silicate, borosilicate, and laboratory-made iron–phosphate compositions, on the preparation of polylactic acid (PLA) composites and their structural and physical properties. The thermal, structural, and electrical properties of prepared PLA–glass fiber composites were studied using differential scanning calorimetry, X-ray diffraction, microscopy, and impedance spectroscopy. The structural as well as morphological, thermal, and electrical properties of all PLA–glass composites were found to be very similar and independent of the composition and aspect ratio of glass fibers. All types of glass fibers improve mechanical properties, increase thermal stability, and decrease the electrical conductivity of PLA, thereby producing mechanical strong electrically insulating composite material with potential in various applications.
Collapse
|
43
|
Ilyas RA, Sapuan SM, Bayraktar E. Bio and Synthetic Based Polymer Composite Materials. Polymers (Basel) 2022; 14:polym14183778. [PMID: 36145924 PMCID: PMC9503542 DOI: 10.3390/polym14183778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 09/02/2022] [Indexed: 11/30/2022] Open
Affiliation(s)
- R. A. Ilyas
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Malaysia
- Centre for Advanced Composite Materials (CACM), Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Malaysia
- Institute of Tropical Forest and Forest Products (INTROP), Universiti Putra Malaysia, Serdang 43400, Malaysia
- Correspondence:
| | - S. M. Sapuan
- Advanced Engineering Materials and Composites, Department of Mechanical and Manufacturing Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang 43400, Malaysia
| | - Emin Bayraktar
- School of Mechanical and Manufacturing Engineering, ISAE-SUPMECA Institute of Mechanics of Paris, 93400 Saint-Ouen, France
| |
Collapse
|
44
|
Fibre-Reinforced Polymer Composites: Mechanical Properties and Applications. Polymers (Basel) 2022; 14:polym14183732. [PMID: 36145875 PMCID: PMC9505226 DOI: 10.3390/polym14183732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
"Fibre-Reinforced Polymer Composites: Mechanical Properties and Applications" is a newly open Special Issue of Polymers, which aims to publish original and review papers on new scientific and applied research and make boundless contributions to the finding and understanding of the reinforcing effects of various synthetic and natural fibres on the performance of biopolymer composites [...]
Collapse
|
45
|
Zhai Z, Du X, Long Y, Zheng H. Biodegradable polymeric materials for flexible and degradable electronics. FRONTIERS IN ELECTRONICS 2022. [DOI: 10.3389/felec.2022.985681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Biodegradable electronics have great potential to reduce the environmental footprint of electronic devices and to avoid secondary removal of implantable health monitors and therapeutic electronics. Benefiting from the intensive innovation on biodegradable nanomaterials, current transient electronics can realize full components’ degradability. However, design of materials with tissue-comparable flexibility, desired dielectric properties, suitable biocompatibility and programmable biodegradability will always be a challenge to explore the subtle trade-offs between these parameters. In this review, we firstly discuss the general chemical structure and degradation behavior of polymeric biodegradable materials that have been widely studied for various applications. Then, specific properties of different degradable polymer materials such as biocompatibility, biodegradability, and flexibility were compared and evaluated for real-life applications. Complex biodegradable electronics and related strategies with enhanced functionality aimed for different components including substrates, insulators, conductors and semiconductors in complex biodegradable electronics are further researched and discussed. Finally, typical applications of biodegradable electronics in sensing, therapeutic drug delivery, energy storage and integrated electronic systems are highlighted. This paper critically reviews the significant progress made in the field and highlights the future prospects.
Collapse
|
46
|
Kumar M, Anand A, Chatterjee R, Sharma S, Maiti TK, Dwivedi SP, Saxena A, Li C, Eldin EMT. Investigation on Carbonation and Permeability of Concrete with Rice Hush Ash and Shop Solution Addition. MATERIALS (BASEL, SWITZERLAND) 2022; 15:ma15176149. [PMID: 36079530 PMCID: PMC9457775 DOI: 10.3390/ma15176149] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 08/06/2022] [Accepted: 08/19/2022] [Indexed: 05/24/2023]
Abstract
The goal of this study was to determine the coefficient of permeability as well as the rate of carbonation of concrete constructed with rice husk ash (RHA) as a partial replacement for cement (i.e., 5%, 10%, and 15%) and two different concentrations of soap solutions (i.e., 1 percent and 2 percent). The microstructural studies of RHA, and carbonated samples have been conducted by using Scanning Electron Microscope (SEM) and X-Ray Diffraction (XRD) analysis. According to this study, the carbonation depth of concrete made with 1% and 2% soap solution concentration and without rice husk ash decreased by 11.89% and 46.55%, respectively. From the results, it may also be observed that the carbonation depth of concrete made with up to 10% replacement of cement by rice husk ash led to maximum carbonation resistance, while more than 10% replacement of cement showed higher carbonation depth. It is also observed that the coefficient of permeability of concrete with 2% soap solution significantly decreased as compared to the 1% soap solution and control mix. It may be observed from the SEM images that 0% soap solution (M1) concrete has a very rough concrete surface which may indicate more voids. However, 2% soap solution concrete has a much smoother surface, which indicates a smaller number of voids. Furthermore, the SEM images showed that the soap solution helps in filling the voids of concrete which ultimately helps in reduction in permeability. Energy Dispersive X-Ray Analysis (EDX) of concrete with 0% (M1) and 2% (M6) soap solution disclosed that the concrete with 2% soap solution (M6) exhibited more silica element formation than the concrete with no soap solution (M1).
Collapse
Affiliation(s)
- Manish Kumar
- Department of Civil Engineering, GD Goenka University, Gurugram 122103, India
| | - Ashutosh Anand
- Department of Electronics and Communication Engineering, Presidency University, Bangalore 560064, India
| | - Rajeshwari Chatterjee
- Department of Hotel Management & Catering Technology, Birla Institute of Technology Mesra, Ranchi 835215, India
| | - Shubham Sharma
- Department of Mechanical Engineering, IK Gujral Punjab Technical University, Main Campus-Kapurthala, Kapurthala 144603, India
- Mechanical Engineering Department, University Center for Research & Development, Chandigarh University, Mohali 140413, India
| | - Tushar Kanti Maiti
- Department of Polymer and Process Engineering, IIT Roorkee, Saharanpur Campus, Saharanpur 247001, India
| | | | - Ambuj Saxena
- G.L. Bajaj Institute of Technology & Management, Greater Noida 201310, India
| | - Changhe Li
- School of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, China
| | | |
Collapse
|
47
|
Tigmeanu CV, Ardelean LC, Rusu LC, Negrutiu ML. Additive Manufactured Polymers in Dentistry, Current State-of-the-Art and Future Perspectives-A Review. Polymers (Basel) 2022; 14:polym14173658. [PMID: 36080732 PMCID: PMC9460687 DOI: 10.3390/polym14173658] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 08/21/2022] [Accepted: 09/01/2022] [Indexed: 11/16/2022] Open
Abstract
3D-printing application in dentistry not only enables the manufacture of patient-specific devices and tissue constructs, but also allows mass customization, as well as digital workflow, with predictable lower cost and rapid turnaround times. 4D printing also shows a good impact in dentistry, as it can produce dynamic and adaptable materials, which have proven effective in the oral environment, under its continuously changing thermal and humidity conditions. It is expected to further boost the research into producing a whole tooth, capable to harmoniously integrate with the surrounding periodontium, which represents the ultimate goal of tissue engineering in dentistry. Because of their high versatility associated with the wide variety of available materials, additive manufacturing in dentistry predominantly targets the production of polymeric constructs. The aim of this narrative review is to catch a glimpse of the current state-of-the-art of additive manufacturing in dentistry, and the future perspectives of this modern technology, focusing on the specific polymeric materials.
Collapse
Affiliation(s)
- Codruta Victoria Tigmeanu
- Department of Technology of Materials and Devices in Dental Medicine, Faculty of Dental Medicine, Multidisciplinary Center for Research, Evaluation, Diagnosis and Therapies in Oral Medicine, “Victor Babes” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania
| | - Lavinia Cosmina Ardelean
- Department of Technology of Materials and Devices in Dental Medicine, Faculty of Dental Medicine, Multidisciplinary Center for Research, Evaluation, Diagnosis and Therapies in Oral Medicine, “Victor Babes” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania
- Correspondence:
| | - Laura-Cristina Rusu
- Department of Oral Pathology, Faculty of Dental Medicine, Multidisciplinary Center for Research, Evaluation, Diagnosis and Therapies in Oral Medicine, “Victor Babes” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania
| | - Meda-Lavinia Negrutiu
- Department of Prostheses Technology and Dental Materials, Faculty of Dental Medicine, Research Center in Dental Medicine Using Conventional and Alternative Technologies, “Victor Babes” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania
| |
Collapse
|
48
|
Ilyas RA, Nurazzi NM, Norrrahim MNF. Fiber-Reinforced Polymer Nanocomposites. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12173045. [PMID: 36080082 PMCID: PMC9458252 DOI: 10.3390/nano12173045] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 08/24/2022] [Indexed: 06/02/2023]
Abstract
"Fiber-Reinforced Polymer Nanocomposites" is a newly open Special Issue of Nanomaterials, which aims to publish original and review papers on new scientific and applied research and make boundless contributions to the finding and understanding of the reinforcing effects of various nanomaterials on the performance of polymer nanocomposites [...].
Collapse
Affiliation(s)
- R. A. Ilyas
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Malaysia
- Centre for Advanced Composite Materials, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Malaysia
- Institute of Tropical Forest and Forest Products (INTROP), Universiti Putra Malaysia, UPM, Serdang 43400, Malaysia
| | - N. M. Nurazzi
- Bioresource Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Gelugor 11800, Malaysia
| | - M. N. F. Norrrahim
- Research Centre for Chemical Defence, Universiti Pertahanan Nasional Malaysia (UPNM), Kuala Lumpur 57000, Malaysia
| |
Collapse
|
49
|
Sukhanova A, Boyandin A, Ertiletskaya N, Simunin M, Shalygina T, Voronin A, Vasiliev A, Nemtsev I, Volochaev M, Pyatina S. Study of the Effect of Modified Aluminum Oxide Nanofibers on the Properties of PLA-Based Films. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6097. [PMID: 36079483 PMCID: PMC9458046 DOI: 10.3390/ma15176097] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/22/2022] [Accepted: 08/26/2022] [Indexed: 06/15/2023]
Abstract
To find out whether Al2O3 nanofiller is effective in improving the characteristics of polymer composites, composite polymer films based on biodegradable polylactide and epoxidized aluminum oxide nanofibers were obtained by solution casting. Surface morphology, mechanical and thermal properties of composites were studied by SEM, IR-Fourier spectroscopy, DSC and DMA. It was shown that, below and above the percolation threshold, the properties of the films differ significantly. The inclusion of alumina nanoparticles up to 0.2% leads to a plasticizing effect, a decrease in the crystallization temperature and the melting enthalpy and an increase in the tensile stress. An increase in the content of alumina nanoparticles in films above the percolation threshold (0.5%) leads to a decrease in the crystallinity of the films, an increase in stiffness and a drop in elasticity. Finding the percolation threshold of alumina nanoparticles in PLA films makes it possible to control their properties and create materials for various applications. The results of this study may have major significance for the commercial use of aluminum oxide nanofibers and can broaden the research field of composites.
Collapse
Affiliation(s)
- Anna Sukhanova
- Scientific Laboratory “Smart Materials and Structures”, Reshetnev Siberian State University of Science and Technology, 31 Krasnoyarsky Rabochy Av., Krasnoyarsk 660037, Russia
| | - Anatoly Boyandin
- Scientific Laboratory “Smart Materials and Structures”, Reshetnev Siberian State University of Science and Technology, 31 Krasnoyarsky Rabochy Av., Krasnoyarsk 660037, Russia
- Institute of Biophysics, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/50 Akademgorodok, Krasnoyarsk 660036, Russia
| | - Natalya Ertiletskaya
- Scientific Laboratory “Smart Materials and Structures”, Reshetnev Siberian State University of Science and Technology, 31 Krasnoyarsky Rabochy Av., Krasnoyarsk 660037, Russia
- Institute of Biophysics, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/50 Akademgorodok, Krasnoyarsk 660036, Russia
| | - Mikhail Simunin
- Scientific Laboratory “Smart Materials and Structures”, Reshetnev Siberian State University of Science and Technology, 31 Krasnoyarsky Rabochy Av., Krasnoyarsk 660037, Russia
- Department of Molecular Electronics, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50 Akademgorodok, Krasnoyarsk 660036, Russia
| | - Taisia Shalygina
- Scientific Laboratory “Smart Materials and Structures”, Reshetnev Siberian State University of Science and Technology, 31 Krasnoyarsky Rabochy Av., Krasnoyarsk 660037, Russia
| | - Anton Voronin
- Department of Molecular Electronics, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50 Akademgorodok, Krasnoyarsk 660036, Russia
- School of Engineering and Construction, Siberian Federal University, 82K Svobodnyi Av., Krasnoyarsk 660041, Russia
| | - Alexander Vasiliev
- Kirensky Institute of Physics, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/38 Akademgorodok, Krasnoyarsk 660036, Russia
- Institute of Engineering Physics and Radio Electronics, Siberian Federal University, 79 Svobodnyi Av., Krasnoyarsk 660041, Russia
| | - Ivan Nemtsev
- Department of Molecular Electronics, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50 Akademgorodok, Krasnoyarsk 660036, Russia
- Insitute of Fundamental Biology and Biotechnology, Siberian Federal University, 79 Svobodnyi Av., Krasnoyarsk 660041, Russia
| | - Mikhail Volochaev
- Kirensky Institute of Physics, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/38 Akademgorodok, Krasnoyarsk 660036, Russia
| | - Svetlana Pyatina
- Department of Molecular Electronics, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50 Akademgorodok, Krasnoyarsk 660036, Russia
- Insitute of Fundamental Biology and Biotechnology, Siberian Federal University, 79 Svobodnyi Av., Krasnoyarsk 660041, Russia
| |
Collapse
|
50
|
Ilyas RA, Sapuan SM, Bayraktar E. Current Progress in Biopolymer-Based Bionanocomposites and Hybrid Materials. Polymers (Basel) 2022; 14:polym14173479. [PMID: 36080552 PMCID: PMC9460886 DOI: 10.3390/polym14173479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 08/19/2022] [Indexed: 11/16/2022] Open
Affiliation(s)
- R. A. Ilyas
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Malaysia
- Centre for Advanced Composite Materials, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Malaysia
- Institute of Tropical Forest and Forest Products (INTROP), Universiti Putra Malaysia, Serdang 43400, Malaysia
- Correspondence:
| | - S. M. Sapuan
- Advanced Engineering Materials and Composites, Department of Mechanical and Manufacturing Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang 43400, Malaysia
| | - Emin Bayraktar
- School of Mechanical and Manufacturing Engineering, ISAE-SUPMECA Institute of Mechanics of Paris, 93400 Saint-Ouen, France
| |
Collapse
|