Recent Progress on Polylactide with High Melt Strength

Wei ZHANG; Peng LI; Hong ZHU; Mi-qiu KONG; Ya-jiang HUANG; Guang-xian LI

doi:10.14028/j.cnki.1003-3726.2020.02.001

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Recent Progress on Polylactide with High Melt Strength

更新时间：2022-08-31

- Recent Progress on Polylactide with High Melt Strength
- Polymer Bulletin Vol. 33, Issue 2, Pages: 1-7(2020)
- 作者机构：
  
  1.四川大学高分子科学与工程学院,高分子材料工程国家重点实验室,四川大学,成都 610065
  2.空天科学与工程学院,四川大学,成都 610065
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2020.02.001
  CLC：
- Published：20 February 2020，
  
  Received：10 June 2019，
  
  Revised：31 October 2019，
扫描看全文
Wei ZHANG, Peng LI, Hong ZHU, Mi-qiu KONG, Ya-jiang HUANG, Guang-xian LI. Recent Progress on Polylactide with High Melt Strength. [J]. Polymer Bulletin 33(2):1-7(2020)
DOI：

Wei ZHANG, Peng LI, Hong ZHU, Mi-qiu KONG, Ya-jiang HUANG, Guang-xian LI. Recent Progress on Polylactide with High Melt Strength. [J]. Polymer Bulletin 33(2):1-7(2020) DOI： 10.14028/j.cnki.1003-3726.2020.02.001.

摘要

聚乳酸(PLA)具有完全可再生、完全可降解、生物相容等优异的综合性能

在一次性餐具、日用品、包装材料、纺丝和3D打印等领域具有广阔应用前景。但是

由于PLA 是直链脂肪族聚酯

其熔体强度低

导致PLA在使用发泡、熔融纺丝、吹膜、热成型等基于拉伸流动场的加工成型方法时工艺性能较差。因此

提高PLA的熔体强度对于改善其加工性能和促进其产业化推广具有重要的意义。本文综述了改善PLA 熔体强度的技术研究进展

主要包括共聚技术、扩链改性技术、自由基反应技术和纳米技术等。

Abstract

Polylactide (PLA) is completely renewable

biodegradable and good biocompatibility

which has a great potential in the application of tableware

packaging

spinning

biomedical devices and 3D printing. However

the melt strength of PLA is extremely low

leading to its bad processing properties in the extensional flow based processing methods

such as foaming

melt spinning

film blowing

thermal forming

and so on. Thus

the improvement of the melt strength of PLA is important for extensional flow based processing methods. This paper reviews recent progress on PLA with high melt strength

including copolymerization

chain extender

reactive extrusion

the addition of nanoparticles.

关键词

聚乳酸熔体强度分子结构纳米粒子

Keywords

PolylactideMelt strengthMolecular structureNanoparticles

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Related Institution

Institute of Chemical Materials, China Academy of Engineering Physics

College of Materials Science and Engineering, Chongqing Jiaotong University

Fujian Provincial Key laboratory of Eco-Industrial Green Technology, College of Ecological and Resources Engineering, Wuyi University

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