Recent Research Progress and Application Prospect of Poly (lactic acid) Stereocomplex

Jing LI; Da-kai CHEN; Jie REN

doi:10.14028/j.cnki.1003-3726.2011.01.006

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Recent Research Progress and Application Prospect of Poly (lactic acid) Stereocomplex

更新时间：2022-09-18

- Recent Research Progress and Application Prospect of Poly (lactic acid) Stereocomplex
- Polymer Bulletin Vol. 24, Issue 1, Pages: 33-39(2011)
- 作者机构：
  
  1.同济大学材料科学与工程学院纳米与生物高分子材料研究所，上海　200092
  2.同济大学先进土木工程材料教育部重点实验室，上海　200092
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2011.01.006
  CLC：
- Published：2011-01，
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Jing LI, Da-kai CHEN, Jie REN. Recent Research Progress and Application Prospect of Poly (lactic acid) Stereocomplex. [J]. Polymer Bulletin 24(1):33-39(2011)
DOI：

Jing LI, Da-kai CHEN, Jie REN. Recent Research Progress and Application Prospect of Poly (lactic acid) Stereocomplex. [J]. Polymer Bulletin 24(1):33-39(2011) DOI： 10.14028/j.cnki.1003-3726.2011.01.006.

摘要

立构复合型聚乳酸（SC-PLA）由于聚左旋乳酸（PLLA）与聚右旋乳酸（PDLA）分子链之间强烈的相互作用

可以使熔点提高约50℃

改善了聚乳酸在耐热性上的不足

同时这种立构复合结构使聚乳酸的力学性能、结晶性能、耐水解性等也得到提升。立构复合型聚乳酸的合成新进展主要集中在嵌段型SC-PLA 的制备

同时广泛采用X 射线衍射技术、核磁共振、光谱分析、表观形貌等技术来探索聚乳酸立构复合结构的形成机制。本文对近年来新型SC-PLA 的制备、SC-PLA 的性能表征和应用方面的研究进展进行了综述。

Abstract

The melt point of PLA can be increased by nearly 50℃ because of the particular strong intermolecular interaction between poly (L-lactic acid) and poly (D-lactic acid) chains in stereocomplex structure.The special stereocomplex structure improves the heat resistance of PLA

as well as the mechanical properties

crystallinity and hydrolysis resistance.Recently

more and more attention has been paid to the preparation of novel stereocomplex

especially the stereocomplexation between PLA block copolymers.And the mechanism of formation of stereocomplex structure has been studied by Xray scattering

nuclear magnetic resonance

spectroscopy

surface morphology

etc.In this paper

the current research in preparation of novel stereocomplex

properties and characterization of SC-PLA and application prospect are reviewed.

关键词

聚乳酸立构复合物耐热性耐水解性力学性能

Keywords

Poly (lactic acid)StereocomplexHeat resistanceHydrolysis resistanceMechanical property

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