A reactive wet spinning approach to polypyrrole fibres

被引：51

作者：

Foroughi, Javad ^{[1
]}

Spinks, Geoffrey M. ^{[1
]}

Wallace, Gordon G. ^{[1
]}

机构：

[1] Univ Wollongong, Intelligent Polymer Res Inst, ARC Ctr Excellence Electromat Sci, Wollongong, NSW 2522, Australia

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2011年 / 21卷 / 17期

基金：

澳大利亚研究理事会;

关键词：

ALGINATE FIBERS; POLYANILINE; COMPOSITE; ELECTRODE; ACTUATOR; MATRIX; WATER;

D O I：

10.1039/c0jm04406g

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Electrically conducting, robust fibres comprised of both an alginate (Alg) biopolymer and a polypyrrole (PPy) component have been produced using reactive wet-spinning. Using this approach polypyrrole-biopolymer fibres were also produced with single-walled carbon nanotubes (CNTs), added to provide additional strength and conductivity. SEM images of the PPy-Alg composite fibres clearly show the tubular multifilament form of the alginate fibre impregnated with PPy nanoparticles. The fibres produced containing CNTs show a 78% increase in ultimate stress and 25% increase in elongation to break compared to PPy-alginate fibre. Young's modulus obtained for the PPy-Alg-CNT fibres showed a 30% increase compared to the PPy-alginate fibre. The fibres produced were electrochemically active and capable of electromechanical actuation with a strain of 0.7% produced at a scan rate of 100 mV s(-1) of the potential.

引用

页码：6421 / 6426

页数：6

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