1
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El-Taweel SH, Hassan SS, Ismail KM. Eco-friendly zinc-metal-organic framework as a nucleating agent for poly (lactic acid). Int J Biol Macromol 2024; 271:132691. [PMID: 38810857 DOI: 10.1016/j.ijbiomac.2024.132691] [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: 01/05/2024] [Revised: 05/13/2024] [Accepted: 05/25/2024] [Indexed: 05/31/2024]
Abstract
Eco-friendly poly(L-lactic acid) (PLA) can be made more versatile, and its crystallization rate is accelerated by adding Zinc-based metal-organic framework (Zn-MOF) particles. Using differential scanning calorimetry (DSC), the non-isothermal melt crystallization behavior of biodegradable PLA nucleated by 0.3 to 3 wt% of Zn-MOF was examined. The non-isothermal melt crystallization kinetics parameters were determined using a modified Avrami model and Mo approach. Zn-MOF dramatically accelerated the crystallization process, as evidenced by several non-isothermal crystallization metrics, including the crystallization half-time and crystallization rate constant. The melt crystallization temperatures of the PLA-Zn-MOF composites, with contents of 0.7 and 1 wt%, were increased by 21 °C compared to the neat PLA. Using the Friedman isoconversional kinetic method, the neat PLA and PLA-Zn-MOF composites' effective activation energy values, ∆E, were determined. The ∆E values of PLA-Zn-MOF from 0.3 to 1 wt% Zn-MOF composites were lower than that of neat PLA. Moreover, polarized optical microscopy revealed the formation of numerous small-sized PLA spherulites upon Zn-MOF addition. The results indicate that the Zn-MOF (at concentrations of 0.7 to 1.0 wt%) can be used as an efficient nucleating agent for PLA, where it increases the melt crystallization temperature, nucleation density, and crystallinity without changing the crystalline structure, while also significantly reduces the effective activation energy and the size of spherulites. Additionally, scanning electron microscopy confirms good dispersion of Zn-MOF (0.3 to 1 wt%) within the PLA matrix.
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Affiliation(s)
- Safaa H El-Taweel
- Chemistry Department, Faculty of Science, Cairo University, Orman, Giza 12613, Egypt; Engineering and Materials Science Department, German University in Cairo, New Cairo City, Egypt.
| | - Safaa S Hassan
- Chemistry Department, Faculty of Science, Cairo University, Orman, Giza 12613, Egypt
| | - Khaled M Ismail
- Chemistry Department, Faculty of Science, Cairo University, Orman, Giza 12613, Egypt
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2
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Ren Y, Li Z, Li X, Su J, Li Y, Gao Y, Zhou J, Ji C, Zhu S, Yu M. The Influence of Thermal Parameters on the Self-Nucleation Behavior of Polyphenylene Sulfide (PPS) during Secondary Thermoforming. MATERIALS (BASEL, SWITZERLAND) 2024; 17:890. [PMID: 38399144 PMCID: PMC10890424 DOI: 10.3390/ma17040890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/04/2024] [Accepted: 02/07/2024] [Indexed: 02/25/2024]
Abstract
During the secondary thermoforming of carbon fiber-reinforced polyphenylene sulfide (CF/PPS) composites, a vital material for the aerospace field, varied thermal parameters profoundly influence the crystallization behavior of the PPS matrix. Notably, PPS exhibits a distinctive self-nucleation (SN) behavior during repeated thermal cycles. This behavior not only affects its crystallization but also impacts the processing and mechanical properties of PPS and CF/PPS composites. In this article, the effects of various parameters on the SN and non-isothermal crystallization behavior of PPS during two thermal cycles were systematically investigated by differential scanning calorimetry. It was found that the SN behavior was not affected by the cooling rate in the second thermal cycle. Furthermore, the lamellar annealing resulting from the heating process in both thermal cycles affected the temperature range for forming the special SN domain, because of the refined lamellar structure, and expelled various defects. Finally, this study indicated that to control the strong melt memory effect in the first thermal cycle, both the heating rate and processing melt temperature need to be controlled simultaneously. This work reveals that through collaborative control of these parameters, the crystalline morphology, crystallization temperature and crystallization rate in two thermal cycles are controlled. Furthermore, it presents a new perspective for controlling the crystallization behavior of the thermoplastic composite matrix during the secondary thermoforming process.
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Affiliation(s)
- Yi Ren
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Collaborative Innovation Center of High-Performance Fibers and Composites (Province-Ministry Joint), Key Laboratory of High-Performance Fibers & Products, Ministry of Education, Center for Civil Aviation Composites, Donghua University, Shanghai 201620, China
- Key Laboratory of Shanghai City for Lightweight Composites, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Zhouyang Li
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Collaborative Innovation Center of High-Performance Fibers and Composites (Province-Ministry Joint), Key Laboratory of High-Performance Fibers & Products, Ministry of Education, Center for Civil Aviation Composites, Donghua University, Shanghai 201620, China
| | - Xinguo Li
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Collaborative Innovation Center of High-Performance Fibers and Composites (Province-Ministry Joint), Key Laboratory of High-Performance Fibers & Products, Ministry of Education, Center for Civil Aviation Composites, Donghua University, Shanghai 201620, China
- Key Laboratory of Shanghai City for Lightweight Composites, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Jiayu Su
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Collaborative Innovation Center of High-Performance Fibers and Composites (Province-Ministry Joint), Key Laboratory of High-Performance Fibers & Products, Ministry of Education, Center for Civil Aviation Composites, Donghua University, Shanghai 201620, China
- Key Laboratory of Shanghai City for Lightweight Composites, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Yue Li
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai 201306, China
| | - Yu Gao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Collaborative Innovation Center of High-Performance Fibers and Composites (Province-Ministry Joint), Key Laboratory of High-Performance Fibers & Products, Ministry of Education, Center for Civil Aviation Composites, Donghua University, Shanghai 201620, China
- Key Laboratory of Shanghai City for Lightweight Composites, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Jianfeng Zhou
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Collaborative Innovation Center of High-Performance Fibers and Composites (Province-Ministry Joint), Key Laboratory of High-Performance Fibers & Products, Ministry of Education, Center for Civil Aviation Composites, Donghua University, Shanghai 201620, China
| | - Chengchang Ji
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Collaborative Innovation Center of High-Performance Fibers and Composites (Province-Ministry Joint), Key Laboratory of High-Performance Fibers & Products, Ministry of Education, Center for Civil Aviation Composites, Donghua University, Shanghai 201620, China
- Key Laboratory of Shanghai City for Lightweight Composites, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Shu Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Collaborative Innovation Center of High-Performance Fibers and Composites (Province-Ministry Joint), Key Laboratory of High-Performance Fibers & Products, Ministry of Education, Center for Civil Aviation Composites, Donghua University, Shanghai 201620, China
- Key Laboratory of Shanghai City for Lightweight Composites, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Muhuo Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Collaborative Innovation Center of High-Performance Fibers and Composites (Province-Ministry Joint), Key Laboratory of High-Performance Fibers & Products, Ministry of Education, Center for Civil Aviation Composites, Donghua University, Shanghai 201620, China
- Key Laboratory of Shanghai City for Lightweight Composites, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
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3
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Yaisun S, Trongsatitkul T. PLA-Based Hybrid Biocomposites: Effects of Fiber Type, Fiber Content, and Annealing on Thermal and Mechanical Properties. Polymers (Basel) 2023; 15:4106. [PMID: 37896350 PMCID: PMC10610468 DOI: 10.3390/polym15204106] [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: 06/30/2023] [Revised: 10/07/2023] [Accepted: 10/09/2023] [Indexed: 10/29/2023] Open
Abstract
In this study, we utilized a hybridization approach for two different fibers to overcome the drawbacks of single-fiber-reinforced PLA composites. Coir fiber and bamboo leaf fiber were used as reinforcing natural fibers as their properties complement one another. Additionally, we combined thermal annealing with hybridization techniques to further improve the overall properties of the composites. The results showed that the hybridization of BF: CF with a ratio of 1:2 gave PLA-based hybrid composites optimal mechanical and thermal properties. Furthermore, the improvement in the thermal stability of hybrid composites, attributable to an increase in crystallinity, was a result of thermal annealing. The improvement in HDT in annealed 1BF:2CF hybrid composite was about 13.76% higher than that of the neat PLA. Annealing of the composites led to increased crystallinity, which was confirmed using differential scanning calorimetry (DSC). The synergistic effect of hybridization and annealing, leading to the improvement in the thermal properties, opened up the possibilities for the use of PLA-based composites. In this study, we demonstrated that a combined technique can be utilized as a strategy for improving the properties of 100% biocomposites and help overcome some limitations of the use of PLA in many applications.
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Affiliation(s)
- Supitcha Yaisun
- School of Polymer Engineering, Institute of Engineering, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand;
- Center for Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Bangkok 10330, Thailand
| | - Tatiya Trongsatitkul
- School of Polymer Engineering, Institute of Engineering, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand;
- Center for Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Bangkok 10330, Thailand
- Research Center for Biocomposite Materials for Medical Industry and Agricultural and Food Industry, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
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4
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Zhao X, Yu J, Liang X, Huang Z, Li J, Peng S. Crystallization behaviors regulations and mechanical performances enhancement approaches of polylactic acid (PLA) biodegradable materials modified by organic nucleating agents. Int J Biol Macromol 2023; 233:123581. [PMID: 36758767 DOI: 10.1016/j.ijbiomac.2023.123581] [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: 11/26/2022] [Revised: 12/20/2022] [Accepted: 02/04/2023] [Indexed: 02/09/2023]
Abstract
Polylactic acid (PLA) has attracted much attention because of its good biocompatibility, biodegradability, and mechanical properties. However, the slow crystallization rate of PLA during molding leads to its poor heat resistance, which limit its diffusion for many industrial applications. In this review, the relationship between PLA crystallization and its molecular structure and processing conditions is summarized. From the perspective of the regulation of PLA crystallization by organic nucleating agents, the research progress of organic micromolecule (e.g., esters, amides, and hydrazides), organic salt, supramolecular, and macromolecule nucleating agents on the crystallization behavior of PLA is mainly introduced. The nucleation mechanism of PLA is expounded by organic nucleating agents, and the effect of the interaction force between organic nucleating agents and PLA molecular chains on the crystallization behavior of PLA is analyzed. The effects of the crystallization behavior of PLA on its mechanical properties and heat resistance are discussed. It will provide a theoretical reference for the development and application of high-efficiency nucleating agents.
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Affiliation(s)
- Xipo Zhao
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, New Materials and Green Manufacturing Talent Introduction and Innovation Demonstration Base, Hubei University of Technology, Wuhan 430068, China; Hubei Longzhong Laboratory, Xiangyang 441000, China.
| | - Jiajie Yu
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, New Materials and Green Manufacturing Talent Introduction and Innovation Demonstration Base, Hubei University of Technology, Wuhan 430068, China
| | - Xinyu Liang
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, New Materials and Green Manufacturing Talent Introduction and Innovation Demonstration Base, Hubei University of Technology, Wuhan 430068, China
| | - Zepeng Huang
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, New Materials and Green Manufacturing Talent Introduction and Innovation Demonstration Base, Hubei University of Technology, Wuhan 430068, China
| | - Juncheng Li
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, New Materials and Green Manufacturing Talent Introduction and Innovation Demonstration Base, Hubei University of Technology, Wuhan 430068, China
| | - Shaoxian Peng
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, New Materials and Green Manufacturing Talent Introduction and Innovation Demonstration Base, Hubei University of Technology, Wuhan 430068, China; Hubei Longzhong Laboratory, Xiangyang 441000, China
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5
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Cheng Y, Jiao Z, Li M, Xia M, Zhou Z, Song P, Xu Q, Wei Z. A new class of nucleating agents for poly(L-lactic acid): Environmentally-friendly metal salts with biomass-derived ligands and advanced nucleation ability. Int J Biol Macromol 2023; 225:1599-1606. [PMID: 36427622 DOI: 10.1016/j.ijbiomac.2022.11.216] [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: 10/18/2022] [Revised: 11/16/2022] [Accepted: 11/21/2022] [Indexed: 11/24/2022]
Abstract
Adding nucleating agents has been a successful strategy to boost the heat resistance of poly(L-lactic acid) (PLLA) by increasing the crystallinity. In this study, a new series of bio-based complexes as nucleating agents for PLLA, including twelve combinations of three eco-friendly metal ions (Zn, Mg, Ca) and four biomass-derived α-hydroxy acids, were successfully synthesized to respectively investigate the effects of metal ions as well as ligands on nucleation capacity of complexes. By investigating the non-isothermal and isothermal crystallization at 135 °C of PLLA with 0.3 wt% loading of complexes, both zinc and magnesium salts of L-mandelic acid showed excellent nucleation capacities. And magnesium L-mandelate performed better, raising the crystallinity of PLLA to 44.4 % as well as minimizing its crystallization half-time from 73 min to 2.7 min. The growth and denser distribution of PLLA spherulites on the salt surface were also observed by POM, reflecting epitaxial nucleation as the possible mechanism. A novel inspiration, utilizing VESTA software to simulate the crystal structure of zinc L-mandelate (Zn(L-MA)2), was proposed to determine the nucleation mechanism. Also, using polyethylene terephthalate (PET) as a test protocol, the rationality of the model could be approved by checking the fitness of nucleating prediction and experiment results.
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Affiliation(s)
- Yi Cheng
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Ziyue Jiao
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Mingjun Li
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Mingze Xia
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Zhifeng Zhou
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Ping Song
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China; School of Materials Science and Engineering, North University of China, Taiyuan 030051, China
| | - Qiang Xu
- Petrochemical Research Institute, Petro China Co Ltd., Beijing 102206, China.
| | - Zhiyong Wei
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China.
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6
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Minggang Fang, Luo C, Guo X, Sun J, Chen M, Chen W. The Effect of Cellulose Nanocrystals and Acetylated Nanocellulose on the Crystallization Kinetics and Thermal Stability of Polylactic Acid. POLYMER SCIENCE SERIES A 2022. [DOI: 10.1134/s0965545x22700523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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7
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He Z, Shao H, Zhang N, Li J, Xiao H, Weng T, Zhou M, Wen B, Chen Y. The crystalline behavior of poly(
L
‐lactide) induced by nucleating agents with amide structure: The effect of benzamide molecule symmetry. JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1002/pol.20220295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Zejian He
- College of Materials Science and Engineering Zhejiang University of Technology Zhejiang People's Republic of China
| | - Haifeng Shao
- College of Materials Science and Engineering Zhejiang University of Technology Zhejiang People's Republic of China
| | - Nannan Zhang
- Department of Chemistry Tsinghua University Beijing People's Republic of China
| | - Jie Li
- College of Materials Science and Engineering Zhejiang University of Technology Zhejiang People's Republic of China
| | - Hai Xiao
- Department of Chemistry Tsinghua University Beijing People's Republic of China
| | - Tianhang Weng
- College of Materials Science and Engineering Zhejiang University of Technology Zhejiang People's Republic of China
| | - Mi Zhou
- College of Materials Science and Engineering Zhejiang University of Technology Zhejiang People's Republic of China
| | - Bianying Wen
- School of Materials and Mechanical Engineering, Key Laboratory of Processing and Quality Evaluation Technology of Green Plastics of China National Light Industry Council Beijing Technology and Business University Beijing People's Republic of China
| | - Yulong Chen
- College of Materials Science and Engineering Zhejiang University of Technology Zhejiang People's Republic of China
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8
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Nucleating effect of boron nitride nanotubes on poly(lactic acid) crystallization. Colloid Polym Sci 2022. [DOI: 10.1007/s00396-022-04986-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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9
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Goes MAD, Santos JPF, Carvalho BDM. Impact of controlled extensional flow during extrusion of PP, PVDF and LDPE. POLIMEROS 2022. [DOI: 10.1590/0104-1428.20210085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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10
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Karagöz İ, Tuna Ö. Effect of melt temperature on product properties of injection-molded high-density polyethylene. Polym Bull (Berl) 2021. [DOI: 10.1007/s00289-021-03695-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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11
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Wang Y, Liu C, Shen C. Crystallization behavior of poly(lactic acid) and its blends. POLYMER CRYSTALLIZATION 2020. [DOI: 10.1002/pcr2.10171] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Yaming Wang
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education; National Engineering Research Center for Advanced Polymer Processing Technology Zhengzhou University Zhengzhou China
| | - Chuntai Liu
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education; National Engineering Research Center for Advanced Polymer Processing Technology Zhengzhou University Zhengzhou China
| | - Changyu Shen
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education; National Engineering Research Center for Advanced Polymer Processing Technology Zhengzhou University Zhengzhou China
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12
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Liu H, Zhou W, Chen P, Bai D, Cai Y, Chen J. A novel aryl hydrazide nucleator to effectively promote stereocomplex crystallization in high-molecular-weight poly(L-lactide)/poly(D-lactide) blends. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.122873] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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13
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Effect of a small amount of poly(ethylene oxide) on crystal polymorphism of poly(l-lactic acid). Polym Bull (Berl) 2020. [DOI: 10.1007/s00289-020-03464-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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14
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Kowalewska A, Nowacka M. Supramolecular Interactions in Hybrid Polylactide Blends-The Structures, Mechanisms and Properties. Molecules 2020; 25:E3351. [PMID: 32718056 PMCID: PMC7435468 DOI: 10.3390/molecules25153351] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 07/18/2020] [Accepted: 07/20/2020] [Indexed: 12/31/2022] Open
Abstract
The conformation of polylactide (PLA) chains can be adjusted by supramolecular interactions (the formation of hydrogen bonds or host-guest complexes) with appropriate organic molecules. The structures formed due to those intermolecular interactions may act as crystal nuclei in the PLA matrix ("soft templating"). In this review, the properties of several supramolecular nucleating systems based on synthetic organic nucleators (arylamides, hydrazides, and 1,3:2,4-dibenzylidene-d-sorbitol) are compared to those achieved with biobased nucleating agents (orotic acid, humic acids, fulvic acids, nanocellulose, and cyclodextrins) that can also improve the mechanical properties of PLA. The PLA nanocomposites containing both types of nucleating agents/additives are discussed and evaluated in the context of their biomedical applicability.
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Affiliation(s)
- Anna Kowalewska
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Łódź, Poland;
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15
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Wang B, Zhang X, Zhang L, Feng Y, Liu C, Shen C. Simultaneously reinforcing and toughening poly(lactic acid) by incorporating reactive melt‐functionalized silica nanoparticles. J Appl Polym Sci 2020. [DOI: 10.1002/app.48834] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Bo Wang
- College of Materials Science and Engineering, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold of Ministry of EducationZhengzhou University Zhengzhou 450001 China
| | - Xin Zhang
- College of Materials Science and Engineering, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold of Ministry of EducationZhengzhou University Zhengzhou 450001 China
| | - Lutong Zhang
- College of Materials Science and Engineering, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold of Ministry of EducationZhengzhou University Zhengzhou 450001 China
| | - Yuezhan Feng
- College of Materials Science and Engineering, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold of Ministry of EducationZhengzhou University Zhengzhou 450001 China
| | - Chuntai Liu
- College of Materials Science and Engineering, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold of Ministry of EducationZhengzhou University Zhengzhou 450001 China
| | - Changyu Shen
- College of Materials Science and Engineering, National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold of Ministry of EducationZhengzhou University Zhengzhou 450001 China
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16
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Zhu B, Bai T, Wang P, Wang Y, Liu C, Shen C. Selective dispersion of carbon nanotubes and nanoclay in biodegradable poly(ε-caprolactone)/poly(lactic acid) blends with improved toughness, strength and thermal stability. Int J Biol Macromol 2020; 153:1272-1280. [DOI: 10.1016/j.ijbiomac.2019.10.262] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 10/28/2019] [Accepted: 10/28/2019] [Indexed: 12/17/2022]
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17
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Zhao Y, Zhu B, Wang Y, Liu C, Shen C. Effect of different sterilization methods on the properties of commercial biodegradable polyesters for single-use, disposable medical devices. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 105:110041. [PMID: 31546462 DOI: 10.1016/j.msec.2019.110041] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 07/11/2019] [Accepted: 07/30/2019] [Indexed: 11/18/2022]
Abstract
The increasing employment of non-degradable polymers based single-use, disposable medical devices have led to huge environmental pressure. Replacement of non-degradable polymers with biodegradable alternatives could be one solution. Since terminal sterilization is a necessary procedure for medical devices to eliminate infections, in this paper, the modifications of sterilization on the transparency, yellow index, dimensional stability and mechanical properties of commercial biodegradable poly(lactic acid) (PLA), poly(butylenes adipate-co-terephthalate) (PBAT) and their blends were investigated. The samples were prepared by compression molding and exposed to four sterilization treatments including ethylene oxide gas (EtO), saturated steam (SS), electron beam (EB), and hydrogen peroxide gas plasma (HPGP). It is concluded that EB can be applied for the sterilization of all the materials investigated, while SS and EtO are not recommended for PLA, and HPGP is not for PBAT and PLA/PBAT blends. This study demonstrates that, when a suitable sterilization process is chosen, PLA has potential to be used for transparent medical devices such as the barrel of syringes or microfluidic chips, while PBAT and PLA/PBAT blends for other non-transparent medical packaging applications.
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Affiliation(s)
- Yuping Zhao
- Key Laboratory of Materials Processing & Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450002, China; Center for Applied Polymer Research, Henan Tuoren Medical Device Co., Ltd., Weiyuan Industrial Park, Changyuan 453400, China
| | - Bo Zhu
- Key Laboratory of Materials Processing & Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450002, China
| | - Yaming Wang
- Key Laboratory of Materials Processing & Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450002, China.
| | - Chuntai Liu
- Key Laboratory of Materials Processing & Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450002, China.
| | - Changyu Shen
- Key Laboratory of Materials Processing & Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450002, China
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