Journal of Textile Research ›› 2019, Vol. 40 ›› Issue (09): 97-101.doi: 10.13475/j.fzxb.20180702105

• Dyeing and Finishing & Chemicals • Previous Articles     Next Articles

Influence of plasma pretreatment on structure and properties of polypyrrole/polyester warp knitted conductive fabric

LIN Jiameng, MIAO Xuhong(), WAN Ailan   

  1. School of Textiles and Clothing, Jiangnan University, Wuxi, Jiangsu 214122, China
  • Received:2018-07-10 Revised:2019-03-27 Online:2019-09-15 Published:2019-09-23
  • Contact: MIAO Xuhong E-mail:miaoxuhong@163.com

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Abstract:

In order to improve the adhesion effect of conductive polymer on polyester warp knitted fabric, the surface of the fabric was modified by atmospheric pressure plasma treatment, and the conductive knitted fabric was prepared by in-situ polymerization. The influence of plasma pretreatment on the adhesion of polypyrrole to polyester knitted fabrics was studied. The micro-morphology of conductive fabrics was observed by a scanning electron microscopy, and the square resistance of conductive fabrics before and after flat grinding was measured by a resistometer. The results show that plasma pretreatment can increase the adhesion of polypyrrole to polyester fibers, improve the adhesion fastness of polypyrrole to polyester fibers, and improve the retention of conductive layers of conductive fabrics in flat grinding. The results are related to the times of plasma pretreatments. The adhesion effect of polypyrrole on polyester knitted fabrics is the best when the times of plasma pretreatment is 4.

Key words: atmospheric temperature and pressure plasma, polypyrrole, polyester knitted fabric, adhesion effect, conductive fabric

CLC Number: 

  • TS186.1

Fig.1

Polymerization reaction equation"

Tab.1

Samples and treatment methods"

试样编号 处理条件
0# 仅清洗的涤纶织物原样
1# 吡咯聚合
2# 常温常压等离子体处理2次+吡咯聚合
3# 常温常压等离子体处理3次+吡咯聚合
4# 常温常压等离子体处理4次+吡咯聚合
5# 常温常压等离子体处理5次+吡咯聚合
6# 常温常压等离子体处理6次+吡咯聚合
7# 碱减量处理+吡咯聚合

Fig.2

SEM images of samples"

Fig.3

Infrared spectra of polyester fabric treated with different plasmas"

Tab.2

Surface resistance of fabric before and after flat grinding"

试样
编号		 平磨前 平磨后 方阻值
增加量/
(kΩ·□-1)
方阻值/
(kW·□-1)		 CV值/% 方阻值/
(kW·□-1)		 CV值/%
1# 30.22 14.3 46.92 14.7 16.70
2# 1.96 2.4 2.05 2.6 0.09
3# 0.96 2.7 1.06 2.9 0.10
4# 0.09 3.5 0.12 3.8 0.03
5# 0.11 4.6 0.15 4.9 0.04
6# 0.23 3.7 0.27 3.9 0.04
7# 18.12 13.9 27.70 14.1 9.58

Fig.4

Photographs of sample before and after flat grinding. (a)1#before flat grinding;(b)4#before flat grinding;(c)7#before flat grinding;(d)1#after flat grinding;(e)4#after flat grinding;(f)7#after flat grinding"

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