UHMWPE/PANI复合导电纤维的制备及其性能

纺织学报 ›› 2013, Vol. 34 ›› Issue (2): 34-39.

UHMWPE/PANI复合导电纤维的制备及其性能

洪剑寒^1，2,潘志娟^1，3,李敏¹，姚穆⁴

1. 苏州大学纺织与服装工程学院
2. 苏州经贸职业技术学院
3. 现代丝绸国家工程实验室（苏州）
4. 西安工程大学纺织与材料学院

收稿日期:2012-10-16 修回日期:2012-10-17 出版日期:2013-02-15 发布日期:2013-02-07
通讯作者: 潘志娟 E-mail:zhjpan@suda.edu.cn
基金资助:
江苏省2011年度普通高校研究生科研创新计划项目;江苏高校优势学科建设工程资助项目

Preparation and properties of UHMWPE/PANI composite conductive fibers

Received:2012-10-16 Revised:2012-10-17 Online:2013-02-15 Published:2013-02-07
Contact: PAN Zhi-Juan E-mail:zhjpan@suda.edu.cn

摘要/Abstract

摘要： 采用原位聚合法制备了UHMWPE/PANI复合导电纤维。探讨了氧化剂种类及过硫酸铵浓度对复合纤维电导率及表面形态的影响，并研究了UHMWPE/PANI复合纤维的化学结构及力学性能。结果表明：纤维表面形成的聚苯胺导电层赋予了纤维一定的导电性能，以过硫酸铵为氧化剂制得的复合纤维的导电性能最强，其电导率可达10-1S/cm；随过硫酸铵浓度的增加，复合纤维的电导率呈现先增后减的趋势，以30g/L时制得的复合纤维的电导率最高。复合纤维是基质纤维与聚苯胺的共混体系，且导电处理未引起基质纤维分子链结构的变化。导电处理后，纤维的断裂强度较未处理前有少量增加，断裂伸长率基本保持不变。

关键词: 超高分子质量聚乙烯纤维, 聚苯胺, 原位聚合, 力学性能

Abstract: UHMWPE/PANI composite fibers were prepared by in-situ polymerization in this paper. The kinds of oxidant and the concentration of ammonium persulfate on the electrical conductivity and surface morphology of composite fibers were investigated. The chemical construction and mechanical property of composite fibers were also studied. The results indicated that the composite fibers prepared by in-situ polymerization can get a certain amount of conductive ability , and the electrical conductivity reached 10-1S/cm with ammonium persulface as oxidant. The electrical conductivity increased at the first and then decreased with the increase of concentration of ammonium persulface, the highest electrical conductivity obtained with the concentration of ammonium persulface of 30g/L. The FTIR curves indicated that the composite fiber was a blending system of matrix fiber and PANI, and the chemical construction of matrix fiber was unchanged. The fiber’s breaking strength increased a little and breaking elongation unchanged basically after conductive processing.

Key words: UNMWPE fiber, PANI, in-situ polymerization, mechanical property

中图分类号:

TQ342+.83

洪剑寒潘志娟李敏姚穆. UHMWPE/PANI复合导电纤维的制备及其性能[J]. 纺织学报, 2013, 34(2): 34-39.

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