Effect of talc and diatomite on compatible, morphological, and mechanical behavior of PLA/PBAT blends-Reference-Cited by-同舟云学术

Effect of talc and diatomite on compatible, morphological, and mechanical behavior of PLA/PBAT blends

Published:2021-01-01 Issue:1 Volume:21 Page:234-243
ISSN:1618-7229
Container-title:e-Polymers
language:en
Short-container-title:

Author:

Ding Yue¹,Zhang Cai¹,Luo Congcong¹,Chen Ying¹,Zhou Yingmei¹,Yao Bing¹,Dong Liming¹,Du Xihua¹,Ji Junhui²

Affiliation:

1. School of Material and Chemical Engineering, Xuzhou University of Technology , Xuzhou 221018 , China

2. National Engineering Research Center of Engineering Plastics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences , Beijing 100190 , China

Abstract

Abstract Biodegradable nanocomposites were prepared by melt blending biodegradable poly(lactic acid) (PLA) and poly(butylene adipate-co-butylene terephthalate) (PBAT) (70/30, w/w) with diatomite or talc (1–7%). From the SEM test, the particles were transported to the interface of two phases, which acted as an interface modifier to strengthen the interfacial adhesion between PLA and PBAT. Talc and diatomite acted as nucleating agents to improve the crystallization of PBAT in the blends by DSC analysis. Moreover, adding the particles improved the tensile and impact toughness of the blends. The elongation at break with 5% talc was 78% (vs ∼21%) and the impact strength was 15 kJ/m2 (vs ∼6.5 kJ/m2). The rheological measurement revealed that the talc and diatomite reduced the viscosity of the blends. The results showed a good possibility of using talc- and diatomite-filled PLA/PBAT blends with high toughness for green-packaging and bio-membranes application.

Publisher

Walter de Gruyter GmbH

Subject

Polymers and Plastics,Physical and Theoretical Chemistry,General Chemical Engineering

Link

https://www.degruyter.com/document/doi/10.1515/epoly-2021-0022/pdf

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