1
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Frka-Petesic B, Parton TG, Honorato-Rios C, Narkevicius A, Ballu K, Shen Q, Lu Z, Ogawa Y, Haataja JS, Droguet BE, Parker RM, Vignolini S. Structural Color from Cellulose Nanocrystals or Chitin Nanocrystals: Self-Assembly, Optics, and Applications. Chem Rev 2023; 123:12595-12756. [PMID: 38011110 PMCID: PMC10729353 DOI: 10.1021/acs.chemrev.2c00836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Indexed: 11/29/2023]
Abstract
Widespread concerns over the impact of human activity on the environment have resulted in a desire to replace artificial functional materials with naturally derived alternatives. As such, polysaccharides are drawing increasing attention due to offering a renewable, biodegradable, and biocompatible feedstock for functional nanomaterials. In particular, nanocrystals of cellulose and chitin have emerged as versatile and sustainable building blocks for diverse applications, ranging from mechanical reinforcement to structural coloration. Much of this interest arises from the tendency of these colloidally stable nanoparticles to self-organize in water into a lyotropic cholesteric liquid crystal, which can be readily manipulated in terms of its periodicity, structure, and geometry. Importantly, this helicoidal ordering can be retained into the solid-state, offering an accessible route to complex nanostructured films, coatings, and particles. In this review, the process of forming iridescent, structurally colored films from suspensions of cellulose nanocrystals (CNCs) is summarized and the mechanisms underlying the chemical and physical phenomena at each stage in the process explored. Analogy is then drawn with chitin nanocrystals (ChNCs), allowing for key differences to be critically assessed and strategies toward structural coloration to be presented. Importantly, the progress toward translating this technology from academia to industry is summarized, with unresolved scientific and technical questions put forward as challenges to the community.
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Affiliation(s)
- Bruno Frka-Petesic
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
- International
Institute for Sustainability with Knotted Chiral Meta Matter (WPI-SKCM), Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - Thomas G. Parton
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Camila Honorato-Rios
- Department
of Sustainable and Bio-inspired Materials, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Aurimas Narkevicius
- B
CUBE − Center for Molecular Bioengineering, Technische Universität Dresden, 01307 Dresden, Germany
| | - Kevin Ballu
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Qingchen Shen
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Zihao Lu
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Yu Ogawa
- CERMAV-CNRS,
CS40700, 38041 Grenoble cedex 9, France
| | - Johannes S. Haataja
- Department
of Applied Physics, Aalto University School
of Science, P.O. Box
15100, Aalto, Espoo FI-00076, Finland
| | - Benjamin E. Droguet
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Richard M. Parker
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Silvia Vignolini
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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2
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Fujisawa S, Daicho K, Yurtsever A, Fukuma T, Saito T. Morphological Changes of Polymer-Grafted Nanocellulose during a Drying Process. Biomacromolecules 2023; 24:3908-3916. [PMID: 37499269 PMCID: PMC10428159 DOI: 10.1021/acs.biomac.3c00530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/13/2023] [Indexed: 07/29/2023]
Abstract
Nanocellulose is emerging as a sustainable building block in materials science. Surface modification via polymer grafting has proven to be effective in tuning diverse material properties of nanocellulose, including wettability of films and the reinforcement effect in polymer matrices. Despite its widespread use in various environments, the structure of a single polymer-grafted nanocellulose remains poorly understood. Here, we investigate the morphologies of polymer-grafted CNFs at water-mica and air-mica interfaces by using all-atom molecular dynamics simulation and atomic force microscopy. We show that the morphologies of the polymer-grafted CNFs undergo a marked change in response to the surrounding environment due to variations in the conformation of the surface polymer chains. Our results provide novel insights into the molecular structure of polymer-grafted CNFs and can facilitate the design and development of innovative biomass-based nanomaterials.
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Affiliation(s)
- Shuji Fujisawa
- Department
of Biomaterial Sciences, Graduate School of Agricultural and Life
Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Kazuho Daicho
- Department
of Biomaterial Sciences, Graduate School of Agricultural and Life
Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
- Nano
Life Science Institute (WPI NanoLSI), Kanazawa
University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Ayhan Yurtsever
- Nano
Life Science Institute (WPI NanoLSI), Kanazawa
University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Takeshi Fukuma
- Nano
Life Science Institute (WPI NanoLSI), Kanazawa
University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Tsuguyuki Saito
- Department
of Biomaterial Sciences, Graduate School of Agricultural and Life
Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
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3
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Lee H, Kim W. Evaluation of Polycaprolactone Applicability for Manufacturing High-Performance Cellulose Nanocrystal Cement Composites. Polymers (Basel) 2023; 15:3358. [PMID: 37631416 PMCID: PMC10459373 DOI: 10.3390/polym15163358] [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: 07/25/2023] [Revised: 08/08/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
This experimental study examined the aplication effect of polycaprolactone (PCL), an organic resin material with excellent elasticity and ductility, on improving the mechanical performance of cellulose nanocrystal (CNC) cement composites. PCL was compared according to its shape, and in the case of Granules, which is the basic shape, interfacial adhesion with cement was not achieved, so a dichloromethane (DCM) solution was used to dissolve and use the Granules form. As a method for bonding PCL to the CNC surface, the CNC surface was modified using 3-aminopropyltriethoxysilane (APTES), and surface silylation was confirmed through Fourier transform infrared spectroscopy (FT-IR) analysis. In order to evaluate the dispersibility according to the application of PCL to the modified CNC, particle size analysis (PSA) and zeta potential analysis were performed according to the PCL mixing ratio. Through the PSA and zeta potential values, the highest dispersion stability was shown at 1 vol.%, the cohesive force of CNC was low, and the dispersion stability was high according to the application of PCL. According to the results of the dispersion stability evaluation, the degree of hydration of the dissolved PCL 1 vol.%, CNC-only specimens, and plain specimens were analyzed. CNC acted as a water channel inside the cement to accelerate hydration in the non-hydrated area, resulting in an increased degree of hydration. However, the incorporation of PCL showed a low degree of hydration, and the analysis of strength characteristics also showed a decrease of approximately 27% compared with that of plain specimens. This was because the bonding with SiO2 was not smooth owing to the solvent, thus affecting internal hydration. In order to investigate the effect of the PCL shape, the compressive and flexural strength characteristics were compared using PCL powder as an additional parameter. The compressive strength and flexural strength were improved by about 54% and 26%, respectively, in the PCL powder 15 wt% specimen compared to the general specimen. Scanning electron microscopy (SEM) analysis confirmed that the filler effect, which made the microporous structure denser, affects the mechanical performance improvement.
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Affiliation(s)
- Hyungjoo Lee
- The Research Institute of Building and Construction Technology, Kumoh National Institute of Technology, Gumi 39177, Republic of Korea;
| | - Woosuk Kim
- Department of Architectural Engineering, School of Architecture, Kumoh National Institute of Technology, Gumi 39177, Republic of Korea
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4
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Kim HJ, Lee WJ. The Influence of Cellulose Nanocrystal Characteristics on Regenerative Silk Composite Fiber Properties. MATERIALS (BASEL, SWITZERLAND) 2023; 16:2323. [PMID: 36984203 PMCID: PMC10052345 DOI: 10.3390/ma16062323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/11/2023] [Accepted: 03/13/2023] [Indexed: 06/18/2023]
Abstract
Cellulose nanocrystals (CNCs), obtained from natural resources, possess great potential as a bioderived reinforcement for natural-fiber-reinforced composites (NFRPs) due to their superior crystallinity and high aspect ratio. To elucidate the specific parameters of CNCs that significantly affect their mechanical performance, various CNCs were investigated to fabricate high-performance nanocomposite fibers together with regenerated silk fibroin (RSF). We confirmed that the high aspect ratio (~9) of the CNCs was the critical factor to increase the tensile strength and stiffness rather than the crystallinity. At a 1 vol% of CNCs, the strength and stiffness reached ~300 MPa and 10.5 GPa, respectively, which was attributed not only to a stable dispersion but also to alignment. This approach has the potential to evaluate the parameters of natural reinforcement and may also be useful in constructing high-performance NFRPs.
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5
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Rudich A, Sapru S, Shoseyov O. Biocompatible, Resilient, and Tough Nanocellulose Tunable Hydrogels. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13050853. [PMID: 36903731 PMCID: PMC10005666 DOI: 10.3390/nano13050853] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 02/19/2023] [Accepted: 02/19/2023] [Indexed: 06/12/2023]
Abstract
Hydrogels have been proposed as potential candidates for many different applications. However, many hydrogels exhibit poor mechanical properties, which limit their applications. Recently, various cellulose-derived nanomaterials have emerged as attractive candidates for nanocomposite-reinforcing agents due to their biocompatibility, abundance, and ease of chemical modification. Due to abundant hydroxyl groups throughout the cellulose chain, the grafting of acryl monomers onto the cellulose backbone by employing oxidizers such as cerium(IV) ammonium nitrate ([NH4]2[Ce(NO3)6], CAN) has proven a versatile and effective method. Moreover, acrylic monomers such as acrylamide (AM) may also polymerize by radical methods. In this work, cerium-initiated graft polymerization was applied to cellulose-derived nanomaterials, namely cellulose nanocrystals (CNC) and cellulose nanofibrils (CNF), in a polyacrylamide (PAAM) matrix to fabricate hydrogels that display high resilience (~92%), high tensile strength (~0.5 MPa), and toughness (~1.9 MJ/m3). We propose that by introducing mixtures of differing ratios of CNC and CNF, the composite's physical behavior can be fine-tuned across a wide range of mechanical and rheological properties. Moreover, the samples proved to be biocompatible when seeded with green fluorescent protein (GFP)-transfected mouse fibroblasts (3T3s), showing a significant increase in cell viability and proliferation compared to samples comprised of acrylamide alone.
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6
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Szafraniec M, Grabias-Blicharz E, Barnat-Hunek D, Landis EN. A Critical Review on Modification Methods of Cement Composites with Nanocellulose and Reaction Conditions during Nanocellulose Production. MATERIALS (BASEL, SWITZERLAND) 2022; 15:7706. [PMID: 36363297 PMCID: PMC9654582 DOI: 10.3390/ma15217706] [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: 09/27/2022] [Revised: 10/27/2022] [Accepted: 10/28/2022] [Indexed: 06/16/2023]
Abstract
Nanocellulose (NC) is a natural polymer that has driven significant progress in recent years in the study of the mechanical properties of composites, including cement composites. Impressive mechanical properties, ability to compact the cement matrix, low density, biodegradability, and hydrophilicity of the surface of nanocellulose particles (which improves cement hydration) are some of the many benefits of using NCs in composite materials. The authors briefly presented a description of the types of NCs (including the latest, little-known shapes), showing the latest developments in their manufacture and modification. Moreover, NC challenges and opportunities are discussed to reveal its hidden potential, as well as the use of spherical and square/rectangular nanocellulose to modify cement composites. Intending to emphasize the beneficial use of NC in cementitious composites, this article discusses NC as an eco-friendly, low-cost, and efficient material, particularly for recycling readily available cellulosic waste. In view of the constantly growing interest in using renewable and waste materials in a wide range of applications, the authors hope to provide progress in using nanocellulose (NC) as a modifier for cement composites. Furthermore, this review highlights a gap in research regarding the preparation of new types of NCs, their application, and their impact on the properties of cementitious composites. Finally, the authors summarize and critically evaluate the type, dosage, and application method of NC, as well as the effects of these variables on the final properties of NC-derived cement composites. Nevertheless, this review article stresses up-to-date challenges for NC-based materials as well as future remarks in light of dwindling natural resources (including building materials), and the principles of a circular economy.
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Affiliation(s)
- Małgorzata Szafraniec
- Faculty of Civil Engineering and Architecture, Lublin University of Technology, Nadbystrzycka 40, 20-618 Lublin, Poland
| | - Ewelina Grabias-Blicharz
- Faculty of Civil Engineering and Architecture, Lublin University of Technology, Nadbystrzycka 40, 20-618 Lublin, Poland
| | - Danuta Barnat-Hunek
- Faculty of Civil Engineering and Architecture, Lublin University of Technology, Nadbystrzycka 40, 20-618 Lublin, Poland
| | - Eric N. Landis
- Department of Civil and Environmental Engineering, University of Maine, Orono, ME 04469, USA
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7
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Zhao X, Xing JJ, An NN, Li D, Wang LJ, Wang Y. Succeeded high-temperature acid hydrolysis of granular maize starch by introducing heat-moisture pre-treatment. Int J Biol Macromol 2022; 222:2868-2877. [DOI: 10.1016/j.ijbiomac.2022.10.065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 09/09/2022] [Accepted: 10/07/2022] [Indexed: 11/05/2022]
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8
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Bangar SP, Harussani M, Ilyas R, Ashogbon AO, Singh A, Trif M, Jafari SM. Surface modifications of cellulose nanocrystals: Processes, properties, and applications. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107689] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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9
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Liu Y, Hu Q, Dong W, Liu S, Zhang H, Gu Y. Alginate/Gelatin-based Hydrogel with Soy Protein/ peptide Powder for 3D Printing Tissue-engineering Scaffolds to Promote Angiogenesis. Macromol Biosci 2022; 22:e2100413. [PMID: 35043585 DOI: 10.1002/mabi.202100413] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 01/12/2022] [Indexed: 11/07/2022]
Abstract
In recent years, three-dimensional (3D) bioprinting has attracted broad research interest in biomedical engineering and clinical applications. However, there are two issues need to be solved urgently at present, the development of ink is first pressing thing for 3D printing tissue engineering scaffold, other thing is the promotion of angiogenesis in the scaffold. Therefore, in this work, a gelatin/sodium alginate-based hydrogel with protein-rich was developed, which was prepared by gelatin, sodium alginate, and soy protein/soy peptide powder. The prepared inks exhibited excellent shear-thinning behavior, which contribute to extrusion-based printing; also shown good crosslinking ability by calcium chloride. The macroporous composite scaffolds were printed by 3D printing using our developed ink and the physicochemical properties of the scaffolds were evaluated. Moreover, the cytocompatibility of printed scaffold were characterized by using human umbilical vein epidermal cells (HUVECs), results shown that the scaffolds with soy protein and soy peptide powder can promote cell attach, spread, migration, and proliferation. The further research of chicken embryo allantoic membrane (CAM) assay and animal experiment were carried, and results presented that the scaffold can promote the growth of neo-vessels in the scaffold, which means the developed ink with soy protein and soy peptide powder have great potential for angiogenesis. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Yakui Liu
- Rapid Manufacturing Engineering Center, School of Mechatronical Engineering and Automation, Shanghai University, Shanghai, 200444, China
| | - Qingxi Hu
- Rapid Manufacturing Engineering Center, School of Mechatronical Engineering and Automation, Shanghai University, Shanghai, 200444, China.,National Demonstration Center for Experimental Engineering Training Education, Shanghai University, Shanghai, 200444, China.,Shanghai Key Laboratory of Intelligent Manufacturing and Robotics, Shanghai University, Shanghai, 200072, China
| | - Wenpei Dong
- Department of General Surgery, Huadong Hospital, Fudan University, Shanghai, 200040, China
| | - Suihong Liu
- Rapid Manufacturing Engineering Center, School of Mechatronical Engineering and Automation, Shanghai University, Shanghai, 200444, China
| | - Haiguang Zhang
- Rapid Manufacturing Engineering Center, School of Mechatronical Engineering and Automation, Shanghai University, Shanghai, 200444, China.,National Demonstration Center for Experimental Engineering Training Education, Shanghai University, Shanghai, 200444, China.,Shanghai Key Laboratory of Intelligent Manufacturing and Robotics, Shanghai University, Shanghai, 200072, China
| | - Yan Gu
- Department of General Surgery, Huadong Hospital, Fudan University, Shanghai, 200040, China
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10
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Ho YS, Fahad Halim AFM, Islam MT. The Trend of Bacterial Nanocellulose Research Published in the Science Citation Index Expanded From 2005 to 2020: A Bibliometric Analysis. Front Bioeng Biotechnol 2022; 9:795341. [PMID: 35111736 PMCID: PMC8801885 DOI: 10.3389/fbioe.2021.795341] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 12/27/2021] [Indexed: 11/13/2022] Open
Abstract
To gain insight into the trend of bacterial nanocellulose research, a bibliometric analysis was performed using the Science Citation Index Expanded database from 2005 to 2020. The study concentrated on the publication's performance in terms of annual outputs and citations, mainstream journals, categories of the Web of Sciences, leading countries, prominent institutions, and trends in research. Current research priorities and future trends were analyzed after summarizing the most commonly used keywords extracted from words in the paper title analysis, authors' keyword analysis, and KeyWords Plus. The findings revealed that the annual output in the form of scholarly articles on bacterial nanocellulose research steadily increased during the first quartile of the study period, followed by a very rapid increase in the last five-years of the study. Increasing mechanical strength would remain the main future focus of bacterial nanocellulose research to create its scope in different field of applications.
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Affiliation(s)
- Yuh-Shan Ho
- Trend Research Centre, Asia University, Taichung, Taiwan
| | | | - Mohammad Tajul Islam
- Department of Textile Engineering, Ahsanullah University of Science and Technology, Dhaka, Bangladesh
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11
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Shin H, Kim S, Kim J, Kong S, Lee Y, Lee J. Preparation of 3‐pentadecylphenol‐modified cellulose nanocrystal and its application as a filler to polypropylene nanocomposites having improved antibacterial and mechanical properties. J Appl Polym Sci 2021. [DOI: 10.1002/app.51848] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Huiseob Shin
- School of Chemical and Biological Engineering, and Institute of Chemical Processes Seoul National University Seoul Republic of Korea
| | - Sangwan Kim
- School of Chemical and Biological Engineering, and Institute of Chemical Processes Seoul National University Seoul Republic of Korea
| | - Jinseok Kim
- School of Chemical and Biological Engineering, and Institute of Chemical Processes Seoul National University Seoul Republic of Korea
| | - Saerom Kong
- School of Chemical and Biological Engineering, and Institute of Chemical Processes Seoul National University Seoul Republic of Korea
| | - Yonghoon Lee
- Chemical Pilot Bldg. S‐OIL TS&D Center Seoul Republic of Korea
| | - Jong‐Chan Lee
- School of Chemical and Biological Engineering, and Institute of Chemical Processes Seoul National University Seoul Republic of Korea
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12
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Casado U, Mucci VL, Aranguren MI. Cellulose nanocrystals suspensions: Liquid crystal anisotropy, rheology and films iridescence. Carbohydr Polym 2021; 261:117848. [PMID: 33766344 DOI: 10.1016/j.carbpol.2021.117848] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 02/05/2021] [Accepted: 02/19/2021] [Indexed: 01/06/2023]
Abstract
The properties of aqueous suspensions of cellulose nanocrystals (CNC) and their casted films are revised. The bio-nanoparticles are briefly introduced, including modifications of the crystals and the suspending media. The formation of CNC-derived liquid crystals (LC) and their resulting rheological behavior are presented. The effects of different variables are addressed: CNC aspect ratio, surface chemistry, concentration, time required for the appearance of an anisotropic phase and addition of other components to the suspension media. The changes on the structure induced by alignment, and by conditions of the drying process are also reported. The optical properties of the films are considered, and the effect of the above variables on the final transparency, iridescence and overall optical response of these bio-inspired photonic materials. Control of the reviewed variables is needed to achieve reliable materials in applications such as sensors, smart inks and papers, transparent flexible supports for electronics, decorative coatings and films.
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Affiliation(s)
- Ulises Casado
- Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA), Universidad Nacional de Mar del Plata (UNMdP) - Consejo Nacional de Investigaciones en Ciencia y tecnología (CONICET), Facultad de Ingeniería, Av. Juan B Justo 4302, (7600), Mar del Plata, Argentina
| | - Verónica L Mucci
- Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA), Universidad Nacional de Mar del Plata (UNMdP) - Consejo Nacional de Investigaciones en Ciencia y tecnología (CONICET), Facultad de Ingeniería, Av. Juan B Justo 4302, (7600), Mar del Plata, Argentina
| | - Mirta I Aranguren
- Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA), Universidad Nacional de Mar del Plata (UNMdP) - Consejo Nacional de Investigaciones en Ciencia y tecnología (CONICET), Facultad de Ingeniería, Av. Juan B Justo 4302, (7600), Mar del Plata, Argentina.
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13
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Ebadi Z, Ghaisari H, Tajeddin B, Shekarforoush SS. Production and evaluation of the chemical and mechanical properties of nanocellulose and nanowood starch-based biodegradable films potential candidates for moisture absorbers for food packaging. Food Sci Nutr 2021; 9:2227-2233. [PMID: 33841838 PMCID: PMC8020934 DOI: 10.1002/fsn3.2194] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 12/26/2020] [Accepted: 12/29/2020] [Indexed: 11/10/2022] Open
Abstract
This study was conducted to prepare starch-based moisture absorbent pads from nanocellulose (NC) and nanowood (NW) particles using solution casting evaporation method and to evaluate their physical and mechanical properties at different thicknesses. The swelling degree (SD), water vapor permeability (WVP), tensile strength (TS), and elongation at break (EB), of prepared biofilms were measured. Structural properties of biofilms were evaluated by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Results indicated that two types of biopolymers showed the highest level of SD at thicknesses lower than 100 µm. The highest level of SD in the lowest time belonged to nanowood biofilm. Nanowood biofilms also showed highest WVP at lower thicknesses. Due to the highest EB and the lowest TS values, improvement was observed in mechanical properties of both nano biofilms. The high hydration capacity and WVP of low-thickness NW films make it a promising candidate for developing biodegradable films with the potential to be used as a moisture-absorbing pad in active food packaging.
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Affiliation(s)
- Zahra Ebadi
- Department of Food Hygiene and Public HealthSchool of Veterinary MedicineShiraz UniversityShirazIran
- Agricultural Research, Education and Extension Organization (AREEO)Animal Science Research Institute (ASRI)KarajIran
| | - Hamidreza Ghaisari
- Department of Food Hygiene and Public HealthSchool of Veterinary MedicineShiraz UniversityShirazIran
| | - Behjat Tajeddin
- Agricultural Research Education and Extension Organization (AREEO)Agricultural Engineering Research Institute (AERI)KarajIran
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14
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Cellulose Dissolution in Ionic Liquid under Mild Conditions: Effect of Hydrolysis and Temperature. FIBERS 2021. [DOI: 10.3390/fib9010005] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
This study investigated the effect of acid hydrolysis of cellulose on its dissolution under mild conditions in ionic liquid, 1-butyl-3-methylimidazolium acetate/N,N-dimethylacetamide (BMIMAc/DMAc). Acid hydrolysis of high molecular weight (MW) cotton cellulose (DP > 4000) was carried out to produce hydrolyzed cotton (HC) samples for dissolution. The HC samples were characterized using gel permeation chromatography (GPC), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and thermogravimetric analysis (TGA), and the dissolution process was monitored using polarized light microscopy (PLM). It was found that the drastic decrease of the MW of cellulose did not result in improvement of its dissolution at room temperature. As compared to original cotton cellulose, the high amount of undissolved fibers in HC solutions led to unstable rheological behavior of HC solutions. Agglomeration and inhomogeneous dispersion of HC, and increased crystallinity, in this case, likely made the diffusion of BMIMAc/DMAc more difficult to the inside of the polymeric network of cellulose at ambient temperature, thereby hindering the dissolution. However, increasing the temperature from room temperature to 35 °C and 55 °C, led to a significant improvement in cellulose dissolution. This phenomenon implies that reducing the MW of cellulose might not be able to improve its dissolution under certain conditions. During the dissolution process, the physical properties of cellulose including fiber aggregation status, solvent diffusivity, and cellulose crystallinity may play a critical role compared to the MW, while the MW may not be an important factor. This finding may help further understand the mechanism of cellulose dissolution and seek better strategies to dissolve cellulose under mild conditions for industrial applications.
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15
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Esterification of Cellulose Nanofibers with Valeric Acid and Hexanoic Acid. Macromol Res 2020. [DOI: 10.1007/s13233-020-8146-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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16
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Pan L, Li P, Tao Y. Preparation and Properties of Microcrystalline Cellulose/Fish Gelatin Composite Film. MATERIALS 2020; 13:ma13194370. [PMID: 33008075 PMCID: PMC7579160 DOI: 10.3390/ma13194370] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 09/25/2020] [Accepted: 09/27/2020] [Indexed: 11/30/2022]
Abstract
As a natural macromolecule-based biomaterial, fish gelatin is used in medical materials for its low pathogen infection risk. However, because of poor mechanical properties, its application has been limited. In this study, microcrystalline cellulose-reinforced fish gelatin (FG/MCC) composite films were prepared with a biological cross-linking agent (genipin) under ultrasonic treatment. SEM micrographs showed that the smooth microstructure of FG film became increasingly disordered with the addition of MCC. The infrared spectrum analysis (FTIR) demonstrated the existence of hydrogen bond interaction between MCC and FG. Compared with the pure FG film, the tensile strength (TS) and modulus of elasticity (MOE) of composite films with MCC were improved, and the elongation at break (EAB) and swelling ratios (SR) were decreased. Ultrasonic treatment could further improve TS, MOE, and SR. When the composite film was prepared with 15% MCC and treated with ultrasound, the TS and MOE increased by 115% and 227%, respectively, while the EAB decreased by 35% and the SR decreased by 4% in comparison with pure FG films. Thermo-gravimetric analysis (TGA) showed that the FG/MCC composite films were stable below 100 °C. The above results indicate that the FG/MCC films have optimistic application prospects in the biomedical field.
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Affiliation(s)
- Ling Pan
- College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, China;
| | - Peng Li
- College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, China;
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
- Correspondence: (P.L.); (Y.T.)
| | - Yubo Tao
- College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, China;
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
- Correspondence: (P.L.); (Y.T.)
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17
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Fotie G, Limbo S, Piergiovanni L. Manufacturing of Food Packaging Based on Nanocellulose: Current Advances and Challenges. NANOMATERIALS 2020; 10:nano10091726. [PMID: 32878236 PMCID: PMC7558397 DOI: 10.3390/nano10091726] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 08/24/2020] [Accepted: 08/27/2020] [Indexed: 11/30/2022]
Abstract
Nowadays, environmental pollution due to synthetic polymers represents one of the biggest worldwide challenges. As demonstrated in numerous scientific articles, plant-based nanocellulose (NC) is a biodegradable and nontoxic material whose mechanical, rheological, and gas barrier properties are competitive compared to those of oil-based plastics. However, the sensitivity of NC in humid ambient and lack of thermosealability have proven to be a major obstacle that hinders its breakthrough in various sectors including food packaging. In recent years, attempts have been made in order to provide a hydrophobic character to NC through chemical modifications. In addition, extensive works on nanocellulose applications in food packaging such as coating, layer-by-layer, casting, and electrospinning have been reported. Despite these enormous advances, it can easily be observed that packaging manufacturers have not yet shown a particular interest in terms of applicability and processability of the nanocellulose due to the lack of guidelines and guarantee on the success of their implementation. This review is useful for researchers and packaging manufacturers because it puts emphasis on recent works that have dealt with the nanocellulose applications and focuses on the best strategies to be adopted for swift and sustainable industrial manufacturing scale-up of high-performance bio-based/compostable packaging in replacement of the oil-based counterparts used today.
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Tarani E, Chrysafi I, Kállay-Menyhárd A, Pavlidou E, Kehagias T, Bikiaris DN, Vourlias G, Chrissafis K. Influence of Graphene Platelet Aspect Ratio on the Mechanical Properties of HDPE Nanocomposites: Microscopic Observation and Micromechanical Modeling. Polymers (Basel) 2020; 12:E1719. [PMID: 32751861 PMCID: PMC7463753 DOI: 10.3390/polym12081719] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 07/29/2020] [Accepted: 07/29/2020] [Indexed: 11/17/2022] Open
Abstract
A series of high-density polyethylene nanocomposites filled with different diameter sizes (5, 15, and 25 μm) of graphene nanoplatelets at various amounts (0.5-5 wt.%) are prepared by the melt-mixing method. The effect of diameter size and filler content on the mechanical properties is reported, and the results are discussed in terms of morphology and the state of dispersion within the polymer matrix. The measured stiffness and strength of the nanocomposites were found to be mainly influenced by the filler aspect ratio and the filler-matrix adhesion. Fractography was utilized to study the embrittleness of the nanocomposites, and the observations revealed that a ductile to brittle transition is caused by a micro-deformation mechanism change in the nanocomposites. Several micromechanical models for the prediction of mechanical properties of nanocomposites, taking into consideration filler aspect ratio, percolation effect, and interphase regions, are considered. The three-phase model proposed by Ji accurately predicts the stiffness of graphene nanoplatelets with a higher diameter size, while Takayanagi modified model II was found to show good agreement with the experimental results of smaller ones at low filler content. This study demonstrates that the diameter size of the filler plays a central role in determining the mechanical properties.
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Affiliation(s)
- Evangelia Tarani
- Physics Department, Aristotle University of Thessaloniki, GR541 24 Thessaloniki, Greece; (E.T.); (I.C.); (E.P.); (T.K.); (G.V.)
| | - Iouliana Chrysafi
- Physics Department, Aristotle University of Thessaloniki, GR541 24 Thessaloniki, Greece; (E.T.); (I.C.); (E.P.); (T.K.); (G.V.)
| | - Alfréd Kállay-Menyhárd
- Institute of Materials Science and Environmental Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Magyar Magyar Tudósok Körútja 2, 1117 Budapest, Hungary;
| | - Eleni Pavlidou
- Physics Department, Aristotle University of Thessaloniki, GR541 24 Thessaloniki, Greece; (E.T.); (I.C.); (E.P.); (T.K.); (G.V.)
| | - Thomas Kehagias
- Physics Department, Aristotle University of Thessaloniki, GR541 24 Thessaloniki, Greece; (E.T.); (I.C.); (E.P.); (T.K.); (G.V.)
| | - Dimitrios N. Bikiaris
- Laboratory of Polymer Chemistry and Technology, Department of Chemistry, Aristotle University of Thessaloniki, GR541 24 Thessaloniki, Greece;
| | - George Vourlias
- Physics Department, Aristotle University of Thessaloniki, GR541 24 Thessaloniki, Greece; (E.T.); (I.C.); (E.P.); (T.K.); (G.V.)
| | - Konstantinos Chrissafis
- Physics Department, Aristotle University of Thessaloniki, GR541 24 Thessaloniki, Greece; (E.T.); (I.C.); (E.P.); (T.K.); (G.V.)
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A review on nanocellulose as a lightweight filler of polyolefin composites. Carbohydr Polym 2020; 243:116466. [PMID: 32532395 DOI: 10.1016/j.carbpol.2020.116466] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 05/12/2020] [Accepted: 05/14/2020] [Indexed: 12/20/2022]
Abstract
Nanocellulose (NC) possesses low density, high aspect ratio, impressive mechanical properties, nanoscale dimensions, which shows huge potential applications as a reinforced filler. Polyolefin (PO), represented by polyethylene (PE) and polypropylene (PP), has been widely used in industries. Recently nanocellulose/polyolefin nanocomposites (NC/PO nanocomposites) have caught more attention from the application of automotive components, aerospace, furniture, building, home appliances, and sport. In this review, the surface modifications of nanocellulose and polyolefin are summarized respectively, such as surface adsorption modification, small molecule modification, and graft copolymerization modification. The common preparations of NC/PO nanocomposites are discussed, including the melting compounding, the solvent casting, and the in-situ polymerization. The lightweight, mechanical properties, and aging-resistant properties of NC/PO nanocomposites are highlighted. Finally, the potentials and challenges for industrial production development of NC/PO nanocomposites are discussed.
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20
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Huang K, Gu Z, Wu J. Tofu-Incorporated Hydrogels for Potential Bone Regeneration. ACS Biomater Sci Eng 2020; 6:3037-3045. [DOI: 10.1021/acsbiomaterials.9b01997] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Keqing Huang
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510006, P. R. China
- Research Institute of Sun Yat-Sen University in Shenzhen, Shenzhen, 518057, P. R. China
| | - Zhipeng Gu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China
- Research Institute of Sun Yat-Sen University in Shenzhen, Shenzhen, 518057, P. R. China
| | - Jun Wu
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510006, P. R. China
- Research Institute of Sun Yat-Sen University in Shenzhen, Shenzhen, 518057, P. R. China
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Di Giorgio L, Martín L, Salgado PR, Mauri AN. Synthesis and conservation of cellulose nanocrystals. Carbohydr Polym 2020; 238:116187. [PMID: 32299567 DOI: 10.1016/j.carbpol.2020.116187] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 02/18/2020] [Accepted: 03/15/2020] [Indexed: 01/14/2023]
Abstract
This work deals with the preparation of cellulose nanocrystals (CNC) from microcrystalline cellulose by acid hydrolysis, discusses how their characteristics varied according to the drying technique used for their conservation and analyzes their re-dispersion in water. A stable water dispersion of "rod" or "needle" type CNC (≈5 nm of diameter, 276 nm of length and 41 mV of Z potencial) was initially prepared and then dried by lyophilization and spray. Thus powders with similar cristalinity but different morphology were obtained, while CNC seemed to aggregate in such an extent that hindered their re-dispersion in water. Only lyophilized CNC could be re-dispersed in water and maintained stable in dispersion for at least 24 h, when working with concentrations of CNC higher than a certain minimum value (3 %) and after submitting them to intense ultrasound treatments. The tested time achieved should be enough to allow their subsequent use in several applications.
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Affiliation(s)
- Luciana Di Giorgio
- Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA, CONICET-UNLP-CIC), 47 y 116 S/N°, (B1900JJ) La Plata, Argentina
| | - Lucía Martín
- Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA, CONICET-UNLP-CIC), 47 y 116 S/N°, (B1900JJ) La Plata, Argentina
| | - Pablo R Salgado
- Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA, CONICET-UNLP-CIC), 47 y 116 S/N°, (B1900JJ) La Plata, Argentina
| | - Adriana N Mauri
- Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA, CONICET-UNLP-CIC), 47 y 116 S/N°, (B1900JJ) La Plata, Argentina.
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22
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From Equilibrium Liquid Crystal Formation and Kinetic Arrest to Photonic Bandgap Films Using Suspensions of Cellulose Nanocrystals. CRYSTALS 2020. [DOI: 10.3390/cryst10030199] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The lyotropic cholesteric liquid crystal phase developed by suspensions of cellulose nanocrystals (CNCs) has come increasingly into focus from numerous directions over the last few years. In part, this is because CNC suspensions are sustainably produced aqueous suspensions of a fully bio-derived nanomaterial with attractive properties. Equally important is the interesting and useful behavior exhibited by solid CNC films, created by drying a cholesteric-forming suspension. However, the pathway along which these films are realized, starting from a CNC suspension that may have low enough concentration to be fully isotropic, is more complex than often appreciated, leading to reproducibility problems and confusion. Addressing a broad audience of physicists, chemists, materials scientists and engineers, this Review focuses primarily on the physics and physical chemistry of CNC suspensions and the process of drying them. The ambition is to explain rather than to repeat, hence we spend more time than usual on the meanings and relevance of the key colloid and liquid crystal science concepts that must be mastered in order to understand the behavior of CNC suspensions, and we present some interesting analyses, arguments and data for the first time. We go through the development of cholesteric nuclei (tactoids) from the isotropic phase and their potential impact on the final dry films; the spontaneous CNC fractionation that takes place in the phase coexistence window; the kinetic arrest that sets in when the CNC mass fraction reaches ∼10 wt.%, preserving the cholesteric helical order until the film has dried; the ’coffee-ring effect’ active prior to kinetic arrest, often ruining the uniformity in the produced films; and the compression of the helix during the final water evaporation, giving rise to visible structural color in the films.
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Maftoonazad N, Badii F, Mohamed A, Ramaswamy H. Evaluation of physicochemical, thermomechanical, and structural properties of chickpea flour composite films reinforced with crystalline nanocellulose. J Appl Polym Sci 2020. [DOI: 10.1002/app.48389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Neda Maftoonazad
- Agricultural Engineering Research Department, Fars Agricultural and Natural Resources Research and Education Center, Agricultural ResearchEducation and Extension Organization (AREEO) Shiraz Iran
| | - Fojan Badii
- Agricultural Engineering Research Institute, Agricultural ResearchEducation and Extension Organization (AREEO) Karaj Iran
| | - Amal Mohamed
- Department of Food Science and Agricultural ChemistryMacdonald Campus of McGill University 21111 Lakeshore road, Ste Anne de Bellevue, QC, H9X 3V9 Canada
| | - Hosahalli Ramaswamy
- Department of Food Science and Agricultural ChemistryMacdonald Campus of McGill University 21111 Lakeshore road, Ste Anne de Bellevue, QC, H9X 3V9 Canada
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24
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Wohlhauser S, Kuhnt T, Meesorn W, Montero de Espinosa L, Zoppe JO, Weder C. One-Component Nanocomposites Based on Polymer-Grafted Cellulose Nanocrystals. Macromolecules 2020. [DOI: 10.1021/acs.macromol.9b01612] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Sandra Wohlhauser
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
| | - Tobias Kuhnt
- Department of Complex Tissue Regeneration, MERLN Institute for Technology Inspired Regenerative Medicine, Maastricht University, 6229 ER, Maastricht, the Netherlands
| | - Worarin Meesorn
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
| | | | - Justin O. Zoppe
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
| | - Christoph Weder
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
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25
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Tabak C, Keskin S, Akbasak T, Ozkoc G. Polypropylene/Spray Dried and Silane‐Treated Nanofibrillated Cellulose Composites. POLYM ENG SCI 2019. [DOI: 10.1002/pen.25290] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ceren Tabak
- Department of Polymer Science and TechnologyKocaeli University Kocaeli Turkey
| | | | | | - Guralp Ozkoc
- Department of Polymer Science and TechnologyKocaeli University Kocaeli Turkey
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26
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Transparent and strong polymer nanocomposites generated from Pickering emulsion gels stabilized by cellulose nanofibrils. Carbohydr Polym 2019; 224:115202. [DOI: 10.1016/j.carbpol.2019.115202] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Revised: 07/30/2019] [Accepted: 08/12/2019] [Indexed: 11/18/2022]
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27
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Ali SD, Imiete IE, Orlandi ME, Castellani L, Hanel T, Zoia L. Novel CNC/silica hybrid as potential reinforcing filler for natural rubber compounds. J Appl Polym Sci 2019. [DOI: 10.1002/app.48332] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Syed Danish Ali
- Corimav‐Pirelli, Department of Material Science University of Milano‐Bicocca Via R. Cozzi 53 Milan 20126 Italy
- Nanoscience and Technology Department National Centre for Physics 45320 Islamabad Pakistan
| | - Iikpoemugh Elo Imiete
- Corimav‐Pirelli, Department of Material Science University of Milano‐Bicocca Via R. Cozzi 53 Milan 20126 Italy
| | - Marco Emilio Orlandi
- Department of Earth and Environmental Sciences University of Milano‐Bicocca Piazza della Scienza 1 Milan 20126 Italy
| | | | - Thomas Hanel
- Pirelli Tyre S.p.A Viale Sarca 222 Milan 20126 Italy
| | - Luca Zoia
- Department of Earth and Environmental Sciences University of Milano‐Bicocca Piazza della Scienza 1 Milan 20126 Italy
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28
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A Review of Property Enhancement Techniques for Carrageenan-based Films and Coatings. Carbohydr Polym 2019; 216:287-302. [DOI: 10.1016/j.carbpol.2019.04.021] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 03/30/2019] [Accepted: 04/04/2019] [Indexed: 12/14/2022]
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29
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Kaldéus T, Träger A, Berglund LA, Malmström E, Lo Re G. Molecular Engineering of the Cellulose-Poly(Caprolactone) Bio-Nanocomposite Interface by Reactive Amphiphilic Copolymer Nanoparticles. ACS NANO 2019; 13:6409-6420. [PMID: 31083978 DOI: 10.1021/acsnano.8b08257] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
A molecularly engineered water-borne reactive compatibilizer is designed for tuning of the interface in melt-processed thermoplastic poly(caprolactone) (PCL)-cellulose nanocomposites. The mechanical properties of the nanocomposites are studied by tensile testing and dynamic mechanical analysis. The reactive compatibilizer is a statistical copolymer of 2-(dimethylamino)ethyl methacrylate and 2-hydroxy methacrylate, which is subsequently esterified and quaternized. Quaternized ammonium groups in the reactive compatibilizer electrostatically match the negative surface charge of cellulose nanofibrils (CNFs). This results in core-shell CNFs with a thin uniform coating of the compatibilizer. This promotes the dispersion of CNFs in the PCL matrix, as concluded from high-resolution scanning electron microscopy and atomic force microscopy. Moreover, the compatibilizer "shell" has methacrylate functionalities, which allow for radical reactions during processing and links covalently with PCL. Compared to the bio-nanocomposite reference, the reactive compatibilizer (<4 wt %) increased Young's modulus by about 80% and work to fracture 10 times. Doubling the amount of peroxide caused further improved mechanical properties, in support of effects from higher cross-link density at the interface. Further studies of interfacial design in specific nanocellulose-based composite materials are warranted since the detrimental effects from CNFs agglomeration may have been underestimated.
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Affiliation(s)
| | | | | | | | - Giada Lo Re
- Department of Industrial and Materials Science, Division of Engineering Materials , Chalmers University of Technology , Rännvägen 2 , SE-412 96 Gothenburg , Sweden
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30
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Bhat A, Khan I, Usmani MA, Umapathi R, Al-Kindy SM. Cellulose an ageless renewable green nanomaterial for medical applications: An overview of ionic liquids in extraction, separation and dissolution of cellulose. Int J Biol Macromol 2019; 129:750-777. [DOI: 10.1016/j.ijbiomac.2018.12.190] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Revised: 12/21/2018] [Accepted: 12/21/2018] [Indexed: 10/27/2022]
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31
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Effect of Cellulose Nanocrystals from Different Lignocellulosic Residues to Chitosan/Glycerol Films. Polymers (Basel) 2019; 11:polym11040658. [PMID: 30974908 PMCID: PMC6523815 DOI: 10.3390/polym11040658] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 03/30/2019] [Accepted: 04/08/2019] [Indexed: 12/23/2022] Open
Abstract
Interest in nanocellulose obtained from natural resources has grown, mainly due to the characteristics that these materials provide when incorporated in biodegradable films as an alternative for the improvement of the properties of nanocomposites. The main purpose of this work was to investigate the effect of the incorporation of nanocellulose obtained from different fibers (corncob, corn husk, coconut shell, and wheat bran) into the chitosan/glycerol films. The nanocellulose were obtained through acid hydrolysis. The properties of the different nanobiocomposites were comparatively evaluated, including their barrier and mechanical properties. The nanocrystals obtained for coconut shell (CS), corn husk (CH), and corncob (CC) presented a length/diameter ratio of 40.18, 40.86, and 32.19, respectively. Wheat bran (WB) was not considered an interesting source of nanocrystals, which may be justified due to the low percentage of cellulose. Significant differences were observed in the properties of the films studied. The water activity varied from 0.601 (WB Film) to 0.658 (CH Film) and the moisture content from 15.13 (CS Film) to 20.86 (WB Film). The highest values for tensile strength were presented for CC (11.43 MPa) and CS (11.38 MPa) films, and this propriety was significantly increased by nanocellulose addition. The results showed that the source of the nanocrystal determined the properties of the chitosan/glycerol films.
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Younas M, Noreen A, Sharif A, Majeed A, Hassan A, Tabasum S, Mohammadi A, Zia KM. A review on versatile applications of blends and composites of CNC with natural and synthetic polymers with mathematical modeling. Int J Biol Macromol 2019; 124:591-626. [PMID: 30447361 DOI: 10.1016/j.ijbiomac.2018.11.064] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 11/04/2018] [Accepted: 11/12/2018] [Indexed: 12/20/2022]
Abstract
Cellulose is world's most abundant, renewable and recyclable polysaccharide on earth. Cellulose is composed of both amorphous and crystalline regions. Cellulose nanocrystals (CNCs) are extracted from crystalline region of cellulose. The most attractive feature of CNC is that it can be used as nanofiller to reinforce several synthetic and natural polymers. In this article, a comprehensive overview of modification of several natural and synthetic polymers using CNCs as reinforcer in respective polymer matrix is given. The immense activities of CNCs are successfully utilized to enhance the mechanical properties and to broaden the field of application of respective polymer. All the technical scientific issues have been discussed highlighting the recent advancement in biomedical and packaging field.
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Affiliation(s)
- Muhammad Younas
- Department of Mathematics, COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan
| | - Aqdas Noreen
- Institute of Chemistry, Government College University, Faisalabad 38030, Pakistan
| | - Aqsa Sharif
- Institute of Chemistry, Government College University, Faisalabad 38030, Pakistan
| | - Ayesha Majeed
- Institute of Chemistry, Government College University, Faisalabad 38030, Pakistan
| | - Abida Hassan
- Institute of Chemistry, Government College University, Faisalabad 38030, Pakistan
| | - Shazia Tabasum
- Institute of Chemistry, Government College University, Faisalabad 38030, Pakistan
| | - Abbas Mohammadi
- Department of Polymer Chemistry, University of Isfahan, Isfahan, Islamic Republic of Iran
| | - Khalid Mahmood Zia
- Institute of Chemistry, Government College University, Faisalabad 38030, Pakistan.
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Tan TH, Lee HV, Yehya Dabdawb WA, Hamid SBBOAA. A review of nanocellulose in the drug-delivery system. MATERIALS FOR BIOMEDICAL ENGINEERING 2019:131-164. [DOI: 10.1016/b978-0-12-816913-1.00005-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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34
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Recent developments in nanocellulose-based biodegradable polymers, thermoplastic polymers, and porous nanocomposites. Prog Polym Sci 2018. [DOI: 10.1016/j.progpolymsci.2018.07.008] [Citation(s) in RCA: 261] [Impact Index Per Article: 43.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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35
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Vasile C. Polymeric Nanocomposites and Nanocoatings for Food Packaging: A Review. MATERIALS (BASEL, SWITZERLAND) 2018; 11:E1834. [PMID: 30261658 PMCID: PMC6213312 DOI: 10.3390/ma11101834] [Citation(s) in RCA: 121] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Revised: 09/10/2018] [Accepted: 09/22/2018] [Indexed: 01/20/2023]
Abstract
Special properties of the polymeric nanomaterials (nanoscale size, large surface area to mass ratio and high reactivity individualize them in food packaging materials. They can be processed in precisely engineered materials with multifunctional and bioactive activity. This review offers a general view on polymeric nanocomposites and nanocoatings including classification, preparation methods, properties and short methodology of characterization, applications, selected types of them used in food packaging field and their antimicrobial, antioxidant, biological, biocatalyst and so forth, functions.
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Affiliation(s)
- Cornelia Vasile
- Physical Chemistry of Polymers Department, Petru Poni Institute of Macromolecular Chemistry (PPIMC), Romanian Academy, 41A Gr. Ghica Alley, RO 700487 Iasi, Romania.
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Leguy J, Diallo A, Putaux JL, Nishiyama Y, Heux L, Jean B. Periodate Oxidation Followed by NaBH 4 Reduction Converts Microfibrillated Cellulose into Sterically Stabilized Neutral Cellulose Nanocrystal Suspensions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:11066-11075. [PMID: 30129768 DOI: 10.1021/acs.langmuir.8b02202] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The periodate oxidation of microfibrillated cellulose followed by a reduction treatment was implemented to produce a new type of sterically stabilized cellulosic nanocrystals, which were characterized at the molecular and colloidal length scales. Solid-state NMR data showed that these treatments led to objects consisting of native cellulose and flexible polyols resulting from the oxidation and subsequent reduction of cellulose. A consistent set of data from dynamic light scattering, turbidimetry, transmission electron microscopy, and small-angle X-ray scattering experiments further showed that stable neutral elongated nanoparticles composed of a crystalline cellulosic core surrounded by a shell of dangling polyol chains were produced. The dimensions of these biosourced nanocrystals could be controlled by the degree of oxidation of the parent dialdehyde cellulose sample. The purely steric origin of the colloidal stability of these nanoparticles is a strong asset for their use under conditions where electrostatics no longer provides colloidal stability.
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Affiliation(s)
- Julien Leguy
- Univ. Grenoble Alpes, CNRS, CERMAV , 38000 Grenoble , France
| | - Aminatou Diallo
- Univ. Grenoble Alpes, CNRS, CERMAV , 38000 Grenoble , France
| | - Jean-Luc Putaux
- Univ. Grenoble Alpes, CNRS, CERMAV , 38000 Grenoble , France
| | | | - Laurent Heux
- Univ. Grenoble Alpes, CNRS, CERMAV , 38000 Grenoble , France
| | - Bruno Jean
- Univ. Grenoble Alpes, CNRS, CERMAV , 38000 Grenoble , France
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37
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Fallon JJ, Kolb BQ, Herwig CJ, Foster EJ, Bortner MJ. Mechanically adaptive thermoplastic polyurethane/cellulose nanocrystal composites: Process-driven structure-property relationships. J Appl Polym Sci 2018. [DOI: 10.1002/app.46992] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- J. J. Fallon
- Department of Macromolecular Science and Engineering; Virginia Tech; Blacksburg Virginia 24061 USA
- Macromolecules Innovation Institute; Virginia Tech; Blacksburg Virginia 24061 USA
| | - B. Q. Kolb
- Chemical Engineering; Virginia Tech; Blacksburg Virginia 24061 USA
| | - C. J. Herwig
- Material Science and Engineering, Virginia Tech; Blacksburg Virginia 24061 USA
| | - E. J. Foster
- Material Science and Engineering, Virginia Tech; Blacksburg Virginia 24061 USA
- Macromolecules Innovation Institute; Virginia Tech; Blacksburg Virginia 24061 USA
| | - M. J. Bortner
- Chemical Engineering; Virginia Tech; Blacksburg Virginia 24061 USA
- Macromolecules Innovation Institute; Virginia Tech; Blacksburg Virginia 24061 USA
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38
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Boujemaoui A, Ansari F, Berglund LA. Nanostructural Effects in High Cellulose Content Thermoplastic Nanocomposites with a Covalently Grafted Cellulose–Poly(methyl methacrylate) Interface. Biomacromolecules 2018; 20:598-607. [DOI: 10.1021/acs.biomac.8b00701] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Assya Boujemaoui
- Department of Fiber and Polymer Technology, KTH Royal Institute of Technology, SE-10044 Stockholm, Sweden
| | - Farhan Ansari
- Department of Materials Science and Engineering, Stanford University, Stanford, California 94305-2205, United States
| | - Lars A. Berglund
- Department of Fiber and Polymer Technology, KTH Royal Institute of Technology, SE-10044 Stockholm, Sweden
- Wallenberg Wood Science Center, KTH Royal Institute of Technology, SE-10044 Stockholm, Sweden
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39
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Anžlovar A, Kunaver M, Krajnc A, Žagar E. Nanocomposites of LLDPE and Surface-Modified Cellulose Nanocrystals Prepared by Melt Processing. Molecules 2018; 23:E1782. [PMID: 30029544 PMCID: PMC6100424 DOI: 10.3390/molecules23071782] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2018] [Revised: 06/27/2018] [Accepted: 07/12/2018] [Indexed: 11/21/2022] Open
Abstract
Cellulose nanocrystals (CNCs) were surface modified by esterification in tetrahydrofuran (THF) at 25 °C using different catalysts and anhydrides bearing different alkyl side chain lengths. Unmodified and acetic anhydride (AcAnh)-modified CNCs were studied as potential nanofillers for linear low-density poly(ethylene) (LLDPE). Nanocomposites were prepared by melt processing. Determination of the size and size distribution of CNCs in the nanocomposites by SEM revealed an enhanced compatibility of the AcAnh-modified CNCs with the LLDPE matrix, since the average size of the aggregates of the modified CNCs (0.5⁻5 μm) was smaller compared to that of the unmodified CNCs (2⁻20 μm). Tensile test experiments revealed an increase in the nanocomposites' stiffness and strain at break-by 20% and up to 90%, respectively-at the CNC concentration of 5 wt %, which is close to the critical percolation concentration. Since the CNC nanofiller simultaneously reduced LLDPE crystallinity, the reinforcement effect of CNCs was hampered. Therefore, the molding temperature was increased to 120 °C, and, in this way, the greatest increase of the Young's modulus was achieved (by ~45%). Despite the enhanced compatibility of the AcAnh-modified CNCs with the LLDPE matrix, no additional effect on the mechanical properties of the nanocomposites was observed in comparison to the unmodified CNC.
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Affiliation(s)
- Alojz Anžlovar
- Department of Polymer Chemistry and Technology, National Institute of Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia.
| | - Matjaž Kunaver
- Department of Polymer Chemistry and Technology, National Institute of Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia.
| | - Andraž Krajnc
- Department of Inorganic Chemistry and Technology, National Institute of Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia.
| | - Ema Žagar
- Department of Polymer Chemistry and Technology, National Institute of Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia.
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40
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Geng S, Wei J, Aitomäki Y, Noël M, Oksman K. Well-dispersed cellulose nanocrystals in hydrophobic polymers by in situ polymerization for synthesizing highly reinforced bio-nanocomposites. NANOSCALE 2018; 10:11797-11807. [PMID: 29675528 DOI: 10.1039/c7nr09080c] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
In nanocomposites, dispersing hydrophilic nanomaterials in a hydrophobic matrix using simple and environmentally friendly methods remains challenging. Herein, we report a method based on in situ polymerization to synthesize nanocomposites of well-dispersed cellulose nanocrystals (CNCs) and poly(vinyl acetate) (PVAc). We have also shown that by blending this PVAc/CNC nanocomposite with poly(lactic acid) (PLA), a good dispersion of the CNCs can be reached in PLA. The outstanding dispersion of CNCs in both PVAc and PLA/PVAc matrices was shown by different microscopy techniques and was further supported by the mechanical and rheological properties of the composites. The in situ PVAc/CNC nanocomposites exhibit enhanced mechanical properties compared to the materials produced by mechanical mixing, and a theoretical model based on the interphase effect and dispersion that reflects this behavior was developed. Comparison of the rheological and thermal behaviors of the mixed and in situ PVAc/CNC also confirmed the great improvement in the dispersion of nanocellulose in the latter. Furthermore, a synergistic effect was observed with only 0.1 wt% CNCs when the in situ PVAc/CNC was blended with PLA, as demonstrated by significant increases in elastic modulus, yield strength, elongation to break and glass transition temperature compared to the PLA/PVAc only material.
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Affiliation(s)
- Shiyu Geng
- Division of Materials Science, Department of Engineering Sciences and Mathematics, Luleå University of Technology, SE-971 87, Luleå, Sweden.
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41
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Zhang X, Wang X. Polybutylene succinate/cellulose nanocrystals: Role of phthalic anhydride in squeeze oriented bionanocomposites. Carbohydr Polym 2018; 196:254-261. [PMID: 29891294 DOI: 10.1016/j.carbpol.2018.04.124] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Revised: 04/17/2018] [Accepted: 04/30/2018] [Indexed: 11/16/2022]
Abstract
In order to reduce agglomerations and improve the compatibility of poly(butylenes succinate)/cellulose nanocrystals (PBS/CNC) composite, phthalic anhydride was introduced during the preparation of composite via melt blending. The composites were then suffered by squeezing treatment in a two-roll milling equipment at a given temperature. In order to investigate reaction mechanism among PBS, CNC and phthalic anhydride, PBS/CNC composites were separated and then tested via FTIR and UV-vis spectrophotometer. During reactive blending, phthalic anhydride selectively reacts with CNC, at an effective grafting ratio of 0.0196, which is confirmed by titration results. Before squeezing, the crystallinity of PBS in composites are increased but the mechanical properties of composites are weakened with increasing phthalic anhydride content, which is ascribed to the plasticizing effect of phthalic anhydride. After squeeze treatment at an extension ratio of 6, the tensile strength of PBS/PA/CNC(100/2/3) is dramatically increased from 35.2 MPa to 136 MPa. WAXD results show that PBS crystal type has little change but the crystallinity is sharply increased after orientation, which mostly contributes to the improvement of mechanical properties for PBS/CNC composites.
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Affiliation(s)
- Xuzhen Zhang
- The Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, College of Materials and Textiles, National Engineering Lab for Textile Fiber Materials & Processing Technology, Zhejiang Sci-Tech University, China
| | - Xiuhua Wang
- The Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, College of Materials and Textiles, National Engineering Lab for Textile Fiber Materials & Processing Technology, Zhejiang Sci-Tech University, China.
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42
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Bogdanova OI, Chvalun SN. Polysaccharide-based natural and synthetic nanocomposites. POLYMER SCIENCE SERIES A 2018. [DOI: 10.1134/s0965545x16050047] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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43
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Kasyapi N, Dinesh Kumar K, Bhowmick AK. Sustainable bionanocomposite from d, l-lactide/δ-valerolactone triblock and bionanowhiskers: Preparation, characterization, and properties. J Appl Polym Sci 2018. [DOI: 10.1002/app.46035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Nibedita Kasyapi
- Department of Materials Science and Engineering, School of Engineering and Technology; Indian Institute of Technology Patna; Patna 801103 India
| | - K. Dinesh Kumar
- Department of Materials Science and Engineering, School of Engineering and Technology; Indian Institute of Technology Patna; Patna 801103 India
| | - Anil K. Bhowmick
- Department of Materials Science and Engineering, School of Engineering and Technology; Indian Institute of Technology Patna; Patna 801103 India
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44
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Organically modified-grafted mica (OMGM) nanoparticles for reinforcement of polypropylene. IRANIAN POLYMER JOURNAL 2018. [DOI: 10.1007/s13726-017-0593-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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45
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Werner A, Sèbe G, Héroguez V. A new strategy to elaborate polymer composites via Pickering emulsion polymerization of a wide range of monomers. Polym Chem 2018. [DOI: 10.1039/c8py01022f] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
We report a novel strategy to prepare polymer composites reinforced with cellulose nanocrystals (CNCs) via Pickering emulsion polymerization.
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Affiliation(s)
- Arthur Werner
- Laboratoire de Chimie Organique des Polymères. CNRS UMR5629
- IPB-ENSCBP
- Université de Bordeaux
- F-33600 Pessac
- France
| | - Gilles Sèbe
- Laboratoire de Chimie Organique des Polymères. CNRS UMR5629
- IPB-ENSCBP
- Université de Bordeaux
- F-33600 Pessac
- France
| | - Valérie Héroguez
- Laboratoire de Chimie Organique des Polymères. CNRS UMR5629
- IPB-ENSCBP
- Université de Bordeaux
- F-33600 Pessac
- France
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46
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Jiang S, Chen Y, Duan G, Mei C, Greiner A, Agarwal S. Electrospun nanofiber reinforced composites: a review. Polym Chem 2018. [DOI: 10.1039/c8py00378e] [Citation(s) in RCA: 357] [Impact Index Per Article: 59.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
High performance electrospun nanofibers could be used to fabricate nanofiber reinforced composites.
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Affiliation(s)
- Shaohua Jiang
- College of Materials Science and Engineering
- Nanjing Forestry University
- Nanjing 210037
- China
| | - Yiming Chen
- College of Materials Science and Engineering
- Nanjing Forestry University
- Nanjing 210037
- China
| | - Gaigai Duan
- College of Materials Science and Engineering
- Nanjing Forestry University
- Nanjing 210037
- China
| | - Changtong Mei
- College of Materials Science and Engineering
- Nanjing Forestry University
- Nanjing 210037
- China
| | - Andreas Greiner
- University of Bayreuth
- Faculty of Biology
- Chemistry and Earth Sciences
- Macromolecular Chemistry II and Bayreuth Center for Colloids and Interfaces
- Germany
| | - Seema Agarwal
- University of Bayreuth
- Faculty of Biology
- Chemistry and Earth Sciences
- Macromolecular Chemistry II and Bayreuth Center for Colloids and Interfaces
- Germany
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47
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Sakakibara K, Moriki Y, Yano H, Tsujii Y. Strategy for the Improvement of the Mechanical Properties of Cellulose Nanofiber-Reinforced High-Density Polyethylene Nanocomposites Using Diblock Copolymer Dispersants. ACS APPLIED MATERIALS & INTERFACES 2017; 9:44079-44087. [PMID: 29185701 DOI: 10.1021/acsami.7b13963] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Cellulose nanofibers (CNFs) hold great potential as sustainable reinforcement fillers with excellent mechanical, thermal, and chemical properties. However, in polyolefin nanocomposite materials, the rational control of dispersion and the improvement of interfacial strength remain challenging. Herein we propose the tuning of the interface between CNF and high-density polyethylene by the design of polymer dispersants on the basis of surface free energy and the glass transition temperature. The former is related to the wettability against the polymer matrix and is therefore critical to the dispersion of CNF whereas the latter is related to the interfacial strength between CNF and HDPE. As a result of this investigation, we discovered a suitable dispersant for CNFs, poly(dicyclopentenyloxyethyl methacrylate)-block-poly(2-hydroxyethyl methacrylate), which played a pivotal role in achieving both a uniform dispersion of CNF and greatly improved mechanical properties, including a 4-fold increase of the Young's modulus over that of neat HDPE with 10 wt % CNF loading.
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Affiliation(s)
- Keita Sakakibara
- Institute for Chemical Research, Kyoto University , Gokasho, Uji Kyoto 611-0011, Japan
| | - Yoshihito Moriki
- Institute for Chemical Research, Kyoto University , Gokasho, Uji Kyoto 611-0011, Japan
| | - Hiroyuki Yano
- Research Institute for Sustainable Humanosphere, Kyoto University , Gokasho, Uji Kyoto 611-0011, Japan
| | - Yoshinobu Tsujii
- Institute for Chemical Research, Kyoto University , Gokasho, Uji Kyoto 611-0011, Japan
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48
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Polyethylene cellulose nanofibrils nanocomposites. Carbohydr Polym 2017; 173:50-56. [DOI: 10.1016/j.carbpol.2017.05.089] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 05/26/2017] [Accepted: 05/26/2017] [Indexed: 11/20/2022]
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49
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Natterodt JC, Shirole A, Sapkota J, Zoppe JO, Weder C. Polymer nanocomposites with cellulose nanocrystals made by co‐precipitation. J Appl Polym Sci 2017. [DOI: 10.1002/app.45648] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Jens C. Natterodt
- Adolphe Merkle InstituteUniversity of FribourgChemin des Verdiers 4, Fribourg1700 Switzerland
| | - Anuja Shirole
- Adolphe Merkle InstituteUniversity of FribourgChemin des Verdiers 4, Fribourg1700 Switzerland
| | - Janak Sapkota
- Adolphe Merkle InstituteUniversity of FribourgChemin des Verdiers 4, Fribourg1700 Switzerland
- Institute of Polymer ProcessingDepartment of Polymer Engineering and Science, Montanuniversitaet LeobenOtto Glöckel‐Straße 2, Leoben8700 Austria
| | - Justin O. Zoppe
- Adolphe Merkle InstituteUniversity of FribourgChemin des Verdiers 4, Fribourg1700 Switzerland
| | - Christoph Weder
- Adolphe Merkle InstituteUniversity of FribourgChemin des Verdiers 4, Fribourg1700 Switzerland
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50
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Yin Y, Hong Z, Tian X, Zhu Q, Jiang X, Wang H, Gao W. Cellulose nanocrystals modified with quaternary ammonium salts and its reinforcement of polystyrene. Polym Bull (Berl) 2017. [DOI: 10.1007/s00289-017-2131-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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