可生物降解材料对聚乳酸的增韧改性研究进展

曾永攀

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塑料科技 ›› 2024, Vol. 52 ›› Issue (09) : 153-160. DOI: 10.15925/j.cnki.issn1005-3360.2024.09.029
综述

可生物降解材料对聚乳酸的增韧改性研究进展

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Research Progress in Toughening Modification of Polylactic Acid by Biodegradable Materials

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History +

摘要

聚乳酸（PLA）因其可再生、可生物降解、优异的生物相容性、高刚度、高强度和良好的加工性，被视为最有前途的可持续生物基聚合物之一。然而，其固有的脆性和较差的延展性限制其更广泛的应用。研究者们通过各种材料对PLA进行增韧改性，尤其是采用可生物降解材料对PLA的增韧研究备受关注，并取得了一系列重要成果。文章介绍了PLA的合成和增韧机制，综述了采用各种可生物降解材料如聚己二酸丁二酯-对苯二甲酸丁二酯（PBAT）、聚丁二酸丁二醇酯（PBS）、聚丁二酸-己二酸丁二酯（PBSA）、聚己内酯（PCL）、聚羟基脂肪酸酯（PHA）、聚3-羟基丁酸酯（PHB）、淀粉和木质素等对PLA增韧的最新研究进展，讨论了增韧的关键因素和机理，最后对可生物降解材料增韧PLA的挑战和未来发展方向进行了展望，以期为后续可持续PLA的增韧研究提供有益的借鉴和指导。

Abstract

Poly(lactic acid) (PLA) is considered one of the most promising sustainable bio-based polymers due to its renewability, biodegradability, excellent biocompatibility, high rigidity, high strength, and good processability. However, its inherent brittleness and poor ductility limit its widespread application. Researchers have focused on toughening PLA through various materials. Specifically, the research on toughening PLA using biodegradable materials has garnered significant attention and has achieved a series of important results. The article briefly introduces the synthesis and toughening mechanisms of PLA, and then reviews the latest research progress on the toughening of PLA using various biodegradable materials such as poly(butylene adipate-co-butylene terephthalate) (PBAT), poly(butylene succinate) (PBS), poly(butylene succinate-co-butylene adipate ) (PBSA ), poly (ε-caprolactone) (PCL), polyhydroxyalkanoates (PHA), poly (3-hydroxybutyrate ) (PHB), starch and lignin, etc., discusses the key factors and related toughening mechanisms, and finally points out the challenges and future development directions of toughening PLA with biodegradable materials. The review aims to provide some useful suggestions and guidance for subsequent sustainable research on toughening of PLA.

关键词

聚乳酸 / 可生物降解材料 / 增韧 / 微观形貌 / 力学性能

Key words

Poly(lactic acid) / Biodegradable materials / Toughening / Microstructure / Mechanical properties

中图分类号

TQ323.4 / TB332

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EndNote

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导出引用
曾永攀. 可生物降解材料对聚乳酸的增韧改性研究进展. 塑料科技. 2024, 52(09): 153-160 https://doi.org/10.15925/j.cnki.issn1005-3360.2024.09.029
ZENG Yong-pan. Research Progress in Toughening Modification of Polylactic Acid by Biodegradable Materials[J]. Plastics Science and Technology. 2024, 52(09): 153-160 https://doi.org/10.15925/j.cnki.issn1005-3360.2024.09.029

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