Issue 41, 2015

Compatibilization strategies in poly(lactic acid)-based blends

Abstract

Poly(lactic acid) (PLA) is regarded as one of the most promising bio-based and biodegradable polymers, due to its excellent biodegradability, biocompatibility, renewability, high strength, and easy processibility. However, disadvantages such as brittleness and relatively high cost have restricted its applications significantly. Polymer blending provides an economic and efficient way to modify the properties of PLA. Most shortcomings of PLA are theoretically surmountable by blending with abundant polymers with various properties. But, unfortunately, PLA is thermodynamically immiscible with most existing polymers. High-performance PLA-based blends are usually unanticipated by direct blending. In order to obtain PLA-based blends with excellent overall properties, compatibilization is required during polymer blending. Various strategies have been employed or developed to compatibilize PLA blends with different polymers, as reported in recent studies. This article aims to review the development in compatibilization strategies employed in PLA-based blends.

Graphical abstract: Compatibilization strategies in poly(lactic acid)-based blends

Article information

Article type
Review Article
Submitted
27 Jan 2015
Accepted
23 Mar 2015
First published
23 Mar 2015

RSC Adv., 2015,5, 32546-32565

Author version available

Compatibilization strategies in poly(lactic acid)-based blends

J. Zeng, K. Li and A. Du, RSC Adv., 2015, 5, 32546 DOI: 10.1039/C5RA01655J

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