Issue 76, 2017, Issue in Progress
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RSC Advances

Simultaneous enhancements in the strength, modulus and toughness of electrospun polymeric membranes†

Yiyang Xu,ab   Xuebing Zhang,b   Xuan Wang,b   Xuyan Li,b   Changyu Shen,b   Xiaofeng Wang ORCID logo *abc  and  Qian Li*ab  

* Corresponding authors

a National Center for International Research of Micro-Nano Molding Technology, Key Laboratory for Micro Molding Technology of Henan Province, Zhengzhou University, Zhengzhou 450001, China
E-mail: xiaofengwang@zzu.edu.cn, qianli@zzu.edu.cn

b School of Mechanics & Engineering Science, Zhengzhou University, Zhengzhou 450001, China

c State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China

Abstract

We have developed a self-reinforcement method, referred to as the solvent–non-solvent method, which optimized the mechanical performance of electrospun (ES) polymeric membranes. It was found that an as-spun polycarbonate (PC) membrane post-treated (immersion) by a mixed solvent composed of 30% solvent and 70% non-solvent achieved simultaneous enhancements in the strength (128%), modulus (296%) and strain at break (88%). Structural investigations and comparisons enabled us to attribute these enhancements to the fusion of junction points between fibers. Furthermore, a post-treated ES polylactic acid (PLA) membrane for tissue engineering exhibited not only enhanced mechanical properties but also improved cell viability and proliferation.

Graphical abstract: Simultaneous enhancements in the strength, modulus and toughness of electrospun polymeric membranes

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Article information

DOI
https://doi.org/10.1039/C7RA07739D
Article type
Paper
Submitted
14 Jul 2017
Accepted
05 Oct 2017
First published
12 Oct 2017
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2017,7, 48054-48057

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Simultaneous enhancements in the strength, modulus and toughness of electrospun polymeric membranes

Y. Xu, X. Zhang, X. Wang, X. Li, C. Shen, X. Wang and Q. Li, RSC Adv., 2017, 7, 48054 DOI: 10.1039/C7RA07739D

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