纺织学报 ›› 2022, Vol. 43 ›› Issue (05): 86-91.doi: 10.13475/j.fzxb.20210606406

• 纺织工程 • 上一篇    下一篇

功能化碳纳米管复合薄膜及其膜卷纱的电热性能

姚明远1, 刘宁娟1, 王嘉宁1, 许福军2, 刘玮1()   

  1. 1.上海工程技术大学 纺织服装学院, 上海 201620
    2.东华大学 纺织学院, 上海 201620
  • 收稿日期:2021-06-23 修回日期:2021-10-13 出版日期:2022-05-15 发布日期:2022-05-30
  • 通讯作者: 刘玮
  • 作者简介:姚明远(1996—),男,硕士。主要研究方向为智能传感纺织品。

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 Published:2022-05-15 Online:2022-05-30
  • Contact: LIU Wei

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摘要：

碳纳米管(CNT)具有优异的电学性能,为了更好地将其应用于纺织品加热领域,采用加捻CNT薄膜的方法制备膜卷纱,并通过预喷涂导电聚合物聚(3,4-乙烯二氧噻吩):聚(苯乙烯磺酸盐) (PEDOT:PSS)溶液的方式进一步优化CNT膜卷纱的电热性能;随后分析PEDOT:PSS喷涂浓度对CNT薄膜及其膜卷纱的结构和导电性能的影响,以及施加不同电压条件下CNT薄膜及其膜卷纱的温度变化。结果表明:随着PEDOT:PSS质量分数从0.01%增加至1.4%,所喷涂的CNT薄膜电导率由344.2 S/cm逐渐增大至668.9 S/cm;当PEDOT:PSS质量分数为0.07%时,所制备的CNT复合膜卷纱具有优异的电热性能,当在其两端施加电压时,温度可到达214 ℃,响应时间为5 s,发热温度是其未加捻薄膜的1.6倍,具有较好的应用潜力和开发价值。

关键词: 碳纳米管薄膜, 膜卷纱, 导电聚合物聚(3, 4-乙烯二氧噻吩):聚(苯乙烯磺酸盐), 电热性能, 电热织物

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

中图分类号: 

  • TS101.3

图1

CNT薄膜及不同质量分数PEDOT:PSS喷涂后复合薄膜的FESEM照片"

图2

CNT膜卷纱及0.07%PC膜卷纱的照片"

图3

不同质量分数薄膜以及不同捻度的0.07% PC膜卷纱的导电性能"

图4

PC复合薄膜在10%应变循环拉伸下的电学稳定性和膜卷纱的力学性能"

图5

CNT材料在恒定电压下的温度随时间的变化曲线"

图6

CNT材料在递增变化电压下的发热性能"

图7

CNT材料在递增/减循环变化电压下的发热性能"

图8

电热织物通电后发热温度随电压变化曲线"

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