Journal of Textile Research ›› 2020, Vol. 41 ›› Issue (04): 112-116.doi: 10.13475/j.fzxb.20190603505

• Dyeing and Finishing & Chemicals • Previous Articles     Next Articles

Preparation of polypyrrole/silver conductive polyester fabric by ultraviolet exposure

WANG Xiaofei1, WAN Ailan1,2()   

  1. 1. Engineering Research Center for Knitting Technology, Ministry of Education, Jiangnan University,Wuxi, Jiangsu 214122, China
    2. Key Laboratory of Eco-Textiles(Jiangnan University),Ministry of Education, Wuxi, Jiangsu 214122, China
  • Received:2019-06-17 Revised:2019-09-21 Online:2020-04-15 Published:2020-04-27
  • Contact: WAN Ailan E-mail:ailan.wan@jiangnan.edu.cn

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Abstract:

In order to obtain excellent electrical conductivity for a polyester fabric, a polypyr-role/silver (PPy/Ag) conductive polyester fabric was prepared by in-situ polymerization with ultraviolet exposure. The effects of AgNO3 concentration, sodium dodecylbenzene sulfonate(SDBS) concentration, polyvinylpyrrolidone(PVP) concentration and reaction time on the electrical conductivity of PPy/Ag conductive polyester fabric were investigated and the optimal preparation process was explored. The results show that when the low temperature vacuum plasma treatment power is set to 220 W, the treatment time is 4 min, the AgNO3 concentration is 0.4 mol/L, the SDBS concentration is 0.02 mol/L, the PVP concentration is 0.8 mol/L, the reaction time is 8 h, the composite fabric obtains the smallest sheet resistance, which is 61.54 Ω/□. There forms a continuous polypyrrole conductive film on the surface. The composite fabric demonstrats good antibacterial properties due to the presence of nano silver particles on surface and the width of the antibacterial band of escherichia coli and staphylococcus oureus is greater than 1 mm.

Key words: ultroviolet exposure, polypyrrole, conductive polyester fabric, in-situ polymerization, nano silver particle, antibacterial property

CLC Number: 

  • TS195

Fig.1

Effect of polymerization time on surface square resistance of conductive polyester fabric"

Fig.2

Effect of SDBS concentration on surface square resistance of conductive polyester fabric"

Fig.3

Effect of PVP concentration on surface square resistance of conductive polyester fabric"

Fig.4

Effect of AgNO3 concentration on surface square resistance of conductive polyester fabric"

Fig.5

SEM images of samples at different reaction conditions(×1 500). (a)Untreated fabric;(b) Conductive polyester fabric;(c) Fabric with reaction for 5 h"

Fig.6

XRD pattern of conductive polyester fabric"

Fig.7

Infrared spectra of untreated and conductive polyester fabrics"

Fig.8

Bacteriostasis test result of untreated and conductive polyester fabrics. (a) Escherichia coli;(b) Staphylococcus aureus"

Tab.1

Bacteriostatic effect of untreated and conductive polyester fabrics"

试样名称 抑菌带宽度/mm 效果评价
大肠杆菌 金黄色葡萄球菌
未处理织物 0 0 无效果
导电涤纶织物 >2 >1 效果较好
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