Journal of Textile Research ›› 2019, Vol. 40 ›› Issue (02): 135-140.doi: 10.13475/j.fzxb.20180701106

• Dyeing and Finishing & Chemicals • Previous Articles     Next Articles

Electric conductivity of cotton fabrics by graphene UV curable coating

CAO Jiliang(), XU Licong, MENG Chunli, LI Xiaochun   

  1. Department of Materials and Chemical Engineering, Henan University of Engineering, Zhengzhou, Henan 450007, China
  • Received:2018-07-11 Revised:2018-11-01 Online:2019-02-15 Published:2019-02-01

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Abstract:

Reduced graphene oxide (RGO) was used to print on the surface of cotton fabrics to obtain flexible conductive textile materials by UV-curing technology. The mass concentration of RGO, polyurethane acrylate (PUA), photoinitiator 1173 and trimethylolpropane triacrylate (TMPTA) and the curing time on conductive properties of cotton fabric was explored. The conductivity of cotton fabrics were tested, and the morphology of RGO printed on the surface of cotton fabrics was characterized by scanning electron microscopy. The results show that the conductivity of cotton fabrics increases with the increasing of RGO mass concentration. The electrical durability, however, decreases with the increasing of RGO mass concentration. The conductivity of cotton fabrics decreases with the increasing of PUA, photoinitiator 1173 and TMPTA mass concentration, and the electrical durability increases at the same time. The SEM test results show that with the increasing of RGO mass concentration, the amount of RGO coated on the surface of cotton fabrics is increased, and the continuity of RGO conductive layer is enhanced. It is concluded that the optimal UV curable pringting process is the mass ratio of RGO, PUA, TMPTA and photoinitiator 1173 10:4:69:17, curing for 15 s, the printed cotton fabrics obtain excellent electrical conductivity and electrical durability.

Key words: wearable, UV curable, smart textile, electrical conductivity of cotton fabric, graphene

CLC Number: 

  • TS195.5

Fig.1

RGO dosage and curing time on conductivity of cotton fabric"

Fig.2

Effect of curing time on electrical durability of cotton"

Fig.3

Dosage of PUA on electrical durability of cotton fabric"

Tab.1

Dosage of photoinitiator on electrical durability of cotton fabric"

光引发剂质
量分数/%		 电阻/(kΩ·cm-1)
未处理织物 干摩后 湿摩后 水洗后
0 2.441 1.826 2.405 247.750
8 5.235 3.793 4.779 49.713
17 7.943 5.801 6.235 12.312
23 13.359 10.156 11.811 18.013
29 19.528 15.203 17.683 21.619

Tab.2

Dosage of TMPTA on electrical durability of cotton fbaric"

TMPTA质量
分数/%		 电阻/(kΩ·cm-1)
未处理织物 干摩后 湿摩后 水洗后
36 6.899 6.970 8.206 16.324
53 7.661 6.924 8.664 13.211
69 8.694 8.309 9.416 9.863
77 13.663 16.557 15.388 14.463

Fig.4

Surface morphology of RGO UV curable cotton fabric. (a) 0% RGO; (b) 4% RGO; (c) 10% RGO;(d) 10% RGO after washing; (e) 10% RGO after dry rubbing;(f) 10%RGO after wet rubbing"

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