Journal of Textile Research ›› 2021, Vol. 42 ›› Issue (01): 112-117.doi: 10.13475/j.fzxb.20200503806

• Dyeing and Finishing & Chemicals • Previous Articles     Next Articles

Preparation and characterization of Cu/polypyrrole-coated wool fabrics for high electrical conductivity

YU Jia, XIN Binjie(), ZHUO Tingting, ZHOU Xi   

  1. School of Textiles and Fashion, Shanghai University of Engineering Science, Shanghai 201620, China
  • Received:2020-05-18 Revised:2020-10-22 Online:2021-01-15 Published:2021-01-21
  • Contact: XIN Binjie E-mail:xinbj@sues.edu.cn

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Abstract:

This research was carried out aiming to study the conductivity of Cu/polypyrrole/wool composite fabrics affected by plasma treatment time and to expand the application of wool fabric in the field of flexible sensor. Firstly, the wool fiber descaling was carried out using plasma vapor deposition technology by treating the wool fabric for 300, 600, 900 and 1 200 s treatment time, before a polypyrrole membrane was constructed by in-situ polymerization on the surface of wool fabric. Cu was then deposited by magnetron sputtering(Cu) film enhancing the conductive network on the surface of the fiber. The structure and conductivity of Cu/polypyrrole/wool conductive fabric were characterized by means of scanning electron microscope, Fourier transform infrared spectrometer and thermogravimetric analyzer. The mechanical properties of Cu/polypyrrole/wool conductive composite fabric were also studied. The results show that the Cu/polypyrrole coated wool fabric with treatment time of 1 200 s demonstrates the highest electrical conductivity and mechanical property, and the average square resistance is 67.32 Ω/□. After washing for 2 h, the square resistance of cu/polypyrrole coated wool fabric is better than that of Polypyrrole/wool fabric without plasma treatment, and the washing resistance is stable.

Key words: wool fabric, plasma treatment, polypyrrole, magnetron sputtering, conductivity, flexible sensor

CLC Number: 

  • TS131.8

Fig.1

Preparation process of Cu/polypyrrole coated wool high conductivity composite fabric"

Fig.2

SEM images of wool fabric under different plasma treatment time(×500)"

Fig.3

SEM images of wool fabrics and composite wool fabrics(×500). (a) Wool fabric;(b) PPy-coated wool;(c) Cu/PPy-coated wool"

Fig.4

TGA curves of wool fabric before and after plasma treatment and conductive fabric"

Fig.5

Infrared spectrum of wool fabric before and after plasma treatment and composite wool fabric"

Fig.6

Square resistance of conductive fabric with different plasma treatment time"

Fig.7

Mechanical properties of wool fabric before and after plasma treatment and composite wool fabric"

Tab.1

Square resistance of treated wool fabric after washing before and after treatmentΩ/□"

试样
编号		 不同水洗时间处理后织物方阻值
0.0 h 0.5 h 1.0 h 1.5 h 2 h
8 303 921 5 500 6 070 17 300
1 101 707 3 040 6 800 8 800
4 67.32 582 2 970 3 750 5 700
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