Issue 4, 2016
From the journal:

RSC Advances

Innovative enhancement of gas barrier properties of biodegradable poly(butylene succinate) nanocomposite films by introducing confined crystals†

Sheng-Yang Zhou,a   Jing-Bin Chen,a   Xu-Juan Li,a   Xu Ji,b   Gan-Ji Zhong*a  and  Zhong-Ming Li*a  

* Corresponding authors

a College of Polymer Science and Engineering and State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China
E-mail: ganji.zhong@scu.edu.cn, zmli@scu.edu.cn

b College of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China

Abstract

In this work, we creatively obtain high gas barrier poly(butylene succinate) (PBS)/clay nanocomposite films by introducing confined crystals taking advantage of the spatial confinement effect which commonly exists in polymer/nanofiller systems. It is found that when the content of clay exceeds a certain amount, the clay can induce some confined crystals around it under the action of the spatial confinement effect. These confined crystals and clay would reconstitute into a kind of new “barrier wall” with a higher aspect ratio and preferable regularity. As a result, the loss of gas barrier ability caused by crystallinity reduction of PBS and exfoliation degree reduction of clays is effectively compensated. This study provides a new potential approach to improve the gas barrier properties of polymers.

Graphical abstract: Innovative enhancement of gas barrier properties of biodegradable poly(butylene succinate) nanocomposite films by introducing confined crystals

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Article information

DOI
https://doi.org/10.1039/C5RA22853K
Article type
Paper
Submitted
31 Oct 2015
Accepted
21 Dec 2015
First published
23 Dec 2015

RSC Adv., 2016,6, 2530-2536

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Innovative enhancement of gas barrier properties of biodegradable poly(butylene succinate) nanocomposite films by introducing confined crystals

S. Zhou, J. Chen, X. Li, X. Ji, G. Zhong and Z. Li, RSC Adv., 2016, 6, 2530 DOI: 10.1039/C5RA22853K

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