Mechanical, thermal properties and shape memory behaviors of <scp>PLA</scp>/<scp>PCL</scp>/<scp>PLA‐g‐GMA</scp> blends-Reference-Cited by-同舟云学术

Mechanical, thermal properties and shape memory behaviors of PLA/PCL/PLA‐g‐GMA blends

Published:2023-05-16 Issue:7 Volume:63 Page:2084-2092
ISSN:0032-3888
Container-title:Polymer Engineering & Science
language:en
Short-container-title:Polymer Engineering & Sci

Author:

Ye Gaoyuan¹²³,Gu Tongfei¹²,Chen Boyuan¹²,Bi Hongjie³,Hu Yingcheng¹²^ORCID

Affiliation:

1. Engineering Research Center of Advanced Wooden Materials of Ministry of Education, College of Material Science and Engineering Northeast Forestry University Harbin China

2. Key Laboratory of Bio‐based Material Science & Technology (Northeast Forestry University) of Ministry of Education, College of Material Science and Engineering Northeast Forestry University Harbin China

3. College of Chemistry and Materials Engineering Zhejiang A&F University Hangzhou Zhejiang Province People's Republic of China

Abstract

AbstractTo improve the toughness of polylactic acid (PLA), in this research, a tough polymer polycaprolactone (PCL) was combined with PLA to prepare blends, and a compatibilizer of glycidyl methacrylate grafted PLA (PLA‐g‐GMA) was produced to enhance the compatibility of PLA/PCL blend. Compared with PLA/PCL blend, the compatibilized blend exhibited a lower melting temperature and greater thermal stability. The tensile test indicates that the addition of compatibilizer greatly improved the toughness of the PLA/PCL blend. Particularly, the elongation at break of PLA/PCL blend with 6 wt% PLA‐g‐GMA increased to 370% and reached about 66 times of neat PLA. In addition, compatibilized blends have good shape memory performance. The research provides a simple and feasible method to overcome the brittleness of PLA, supplying a new strategy to modify PLA.

Funder

Fundamental Research Funds for the Central Universities

National Natural Science Foundation of China

Publisher

Wiley

Subject

Materials Chemistry,Polymers and Plastics,General Chemistry,Materials Chemistry,Polymers and Plastics,General Chemistry

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