Journal of Textile Research ›› 2022, Vol. 43 ›› Issue (05): 86-91.doi: 10.13475/j.fzxb.20210606406

• Textile Engineering • Previous Articles     Next Articles

Electrothermal properties of functionalization carbon nanotube composite films and films twisted yarns

YAO Mingyuan1, LIU Ningjuan1, WANG Jianing1, XU Fujun2, LIU Wei1()   

  1. 1. School of Textiles and Fashion, Shanghai University of Engineering Science, Shanghai 201620, China
    2. College of Textiles, Donghua University, Shanghai 201620, China
  • Received:2021-06-23 Revised:2021-10-13 Online:2022-05-15 Published:2022-05-30
  • Contact: LIU Wei E-mail:wliu@sues.edu.cn

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Abstract:

Carbon nanotubes(CNT) have excellent electrical properties. In order to better applied it's performance to electrothermal fabric, the CNT films twisted yarn was prepared by twisting CNT film. The electrothermal properties of the yarn was further optimized by pre-spraying poly(3,4-ethylenedioxythiophene)/poly(styrenesulfonate) (PEDOT:PSS)solution. The influence of the solution concentration on the structure and conductivity of CNT film and its films twisted yarns were studied, as well as the temperature changes of CNT film and its films twisted yarns under different applied voltage. As the PEDOT:PSS mass fraction increased from 0.01% to 1.4%, the conductivity of the sprayed CNT film gradually increased from 344.2 S/cm to 668.9 S/cm. When the electric voltage was applied across it, the spinning temperature of PC films twisted yarns can reach 214 ℃ with a response time of 5 s, which is 1.6 times of its untwisted films. That's indicates the good application potential and development value of the PEDOT:PSS/CNT film twisted yarn.

Key words: carbon nanotubes film, film twisted yarns, poly(3, 4-ethylenedioxythiophene)/poly(styrenesulfonate), electrothermal property, electrothermal fabric

CLC Number: 

  • TS101.3

Fig.1

FESEM images of CNT film and PC composite film with different contents"

Fig.2

FESEM image of CNT film twisted yarn and 0.07% PC film twisted yarn. (a) CNT film twisted yarn; (b) PC film twisted yarn; (c) Flexibility of PC film twisted yarn"

Fig.3

Conductivity of PC films with different concentrations and 0.07% PC film twisted yarn with different twist. (a) PC films with different concentration;(b) PC film twisted yarn with different Yarn twist"

Fig.4

Resistance change of CNT material under 10% tensile strain cyclic stretching and mechanical property of PC film twisted yarn.(a) PC films with different concentrations; (b) Stress-strain curve of PC film twisted yarn"

Fig.5

Curve temperature over time of CNT material under constant voltage. (a)CNT film;(b) 0.07% PC film;(c) 0.07% PC film twisted yarn"

Fig.6

Heating performance of CNT materials under increasing voltage. (a) Heating performance; (b) Relationship between temperature and voltage"

Fig.7

Heating performance of CNT materials under increasing/decreasing cycling voltage. (a) CNT film; (b) 0.07% PC film; (c) 0.07% PC-400 film twisted yarn"

Fig.8

Heating temperature of electric heating fabric changes with voltage"

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