超高分子量聚乙烯/聚苯胺导电针织物的应变传感性能

纺织学报 ›› 2016, Vol. 37 ›› Issue (2): 73-78.

超高分子量聚乙烯/聚苯胺导电针织物的应变传感性能

收稿日期:2015-10-07 修回日期:2015-11-02 出版日期:2016-02-15 发布日期:2016-02-22

Strain sensing property of knitted fabric of conductive ultrahigh molecular weight polyethylene/polyaniline composite yarn

Received:2015-10-07 Revised:2015-11-02 Online:2016-02-15 Published:2016-02-22

摘要/Abstract

摘要：

为制备超高分子量聚乙烯/聚苯胺复合导电纱线，以超高分子量聚乙烯（Ultra High Molecular Weight Polyethylene，UHMWPE）长丝纱为基材，对其进行常压等离子体预处理后采用基于原位聚合的纱线连续导电处理方法制备了超高分子量聚乙烯/聚苯胺（UHMWPE/PANI）复合导电纱线。利用制得的复合导电纱线制备了圆筒状纬平针织物作为应变传感器，进行了传感织物的应变-电阻传感性能研究。研究结果表明：导电针织物表现出明显的应变-电阻传感性能，其电阻随应变的增大先增大，至一定值后随着应变的增大而减小。传感织物具有较高的敏感度，在应变小于20%时，其传感因子可达30以上。多次拉伸时，传感织物的传感重复性逐渐提高，拉伸3次以后，传感织物表现出良好的传感重复性。

关键词: 超高分子量聚乙烯, 聚苯胺, 复合导电纱线, 原位聚合, 针织物, 应变传感

Abstract:

After pretreated by atmospheric pressure plasma, ultra high molecular weight polyethylene (UHMWPE) filament yarn was used as substrate to fabricate the conductive UHMWPE/PANI composite yarn continuously, using a novel method based on in-situ polymerization in this paper. A cylindrical plain weft knitted fabric was fabricated using the conductive UHMWPE/PANI composite yarn, and its strain-resistance performance was studied. The results indicated that the resistance of the sensing fabric increased firstly with increasing the strain and then decreased. The sensing fabric showed great sensitivity and the gauge factor was more than 30 when the strain was less than 20%. The repeatability of sensing fabric enhanced with the stretching time and it showed good repeatability after repeated stretching for 3 times.

Key words: ultrahigh molecular weight polyethylene, polyaniline, conductive cimposite yarn, in-situ polymerization, knitted fabric, strain sensing

洪剑寒潘志娟姚穆. 超高分子量聚乙烯/聚苯胺导电针织物的应变传感性能[J]. 纺织学报, 2016, 37(2): 73-78.

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