纺织学报 ›› 2020, Vol. 41 ›› Issue (04): 91-97.doi: 10.13475/j.fzxb.20190605907

• 染整与化学品 • 上一篇    下一篇

聚乙烯醇对芳纶复合纱聚苯胺导电层耐久性影响

胡铖烨1,2, 缪润伍1,2, 韩潇1,2, 洪剑寒1,2(), GIL Ignacio3   

  1. 1.绍兴文理学院 纺织服装学院, 浙江 绍兴 312000
    2.绍兴文理学院 浙江省清洁染整技术研究重点实验室,浙江 绍兴 312000
    3.加泰罗尼亚理工大学 电子工程系, 巴塞罗那 特拉萨 08222
  • 收稿日期:2019-06-27 修回日期:2020-01-10 出版日期:2020-04-15 发布日期:2020-04-27
  • 通讯作者: 洪剑寒
  • 作者简介:胡铖烨(1997—),女,硕士生。主要研究方向为功能性纺织材料。
  • 基金资助:
    国家级大学生创新创业训练计划项目(201810349023);国家级大学生创新创业训练计划项目(201910349029);浙江省公益技术研究计划项目(LGG20E030002);绍兴市公益技术应用研究项目(2018C10016);绍兴文理学院国际科技合作项目(2019LGGH1003);绍兴文理学院校级科研项目(2017LG1006)

Effect of polyvinyl alcohol on durability of polyaniline conductive layer on poly(p-phenylene terephthamide) yarn surface

HU Chengye1,2, MIAO Runwu1,2, HAN Xiao1,2, HONG Jianhan1,2(), GIL Ignacio3   

  1. 1. College of Textile and Garment, Shaoxing University, Shaoxing, Zhejiang 312000, China
    2. Key Laboratory of Clean Dyeing and Finishing Technology of Zhejiang Province, Shaoxing, Zhejiang 312000, China
    3. Electronic Engineering Department, Polytechnic University of Catalonia, Terrassa, Barcelona 08222, Spain
  • Received:2019-06-27 Revised:2020-01-10 Online:2020-04-15 Published:2020-04-27
  • Contact: HONG Jianhan

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摘要：

为提高聚苯胺导电层与基材之间的黏结牢度,以聚乙烯醇为共混高聚物,通过连续原位聚合法在对位芳纶纱线表面形成聚乙烯醇/聚苯胺导电层,制备得到芳纶/聚苯胺/聚乙烯醇复合导电纱。分析了导电纱的结构与性能,并研究了聚乙烯醇对聚苯胺导电层耐水洗和耐磨性的影响。结果表明:适量添加聚乙烯醇有助于提高导电纱导电层的结构规整性及电导率,随着聚乙烯醇质量分数的提高,导电纱的电导率呈先上升后下降的趋势,当聚乙烯醇占苯胺的质量分数为4.30%时,制得的复合导电纱线的电导率最高,达到(1.120±0.198) S/cm;聚乙烯醇的添加和质量分数的提高,有助于聚苯胺导电层耐水洗性及在较小外力作用下的耐磨性的提高。

关键词: 原位聚合法, 对位芳纶, 聚苯胺, 聚乙烯醇, 导电性, 耐久性, 导电纱线

Abstract:

In order to improve the bonding fastness between polyaniline (PANI) conductive layer and substrate materials, poly(vinyl alcohol )(PVA) was used as the copolymer to fabricate PANI/PVA conductive layer on the surface of poly(p-phenylene terephthamide) (PPTA) yarns by a continuous method based on in-situ polymerization technique, and conductive PPTA/PANI/PVA composite yarns were obtained. The structure and properties of conductive composite yarns were analyzed, and the influence of PVA on washing resistance and wear resistance of PANI conductive layer was studied. The results show that appropriate amount of PVA is helpful to improve the structure regularity and conductivity of the conductive layer. With the increase of PVA mass ratio, the conductivity of the conductive composite yarns first increases and then decreases. When the mass ratio of PVA to aniline is 4.30%, the conductivity of the conductive composite yarn is the highest, reaching (1.120±0.198) S/cm .The addition of PVA and the increase of its mass ratio contribute to the improvement of the washing resistance and wear resistance of PANI conductive layer under the action of small external force.

Key words: in-situ polymerization method, poly(p-phenylene terephthamide), polyaniline, poly(vinyl alcohol), electrical conductivity, durability, conductive yarn

中图分类号: 

  • TQ342.83

图1

PPTA/PANI/PVA复合导电纱制备原理"

图2

导电处理前后PPTA纱线的外观形貌"

图3

导电处理前后PPTA复合导电纱线的红外光谱曲线"

图4

不同PVA质量分数的PPTA复合导电纱线电导率"

图5

导电处理前后PPTA复合导电纱线的热稳定性曲线"

图6

不同水洗时间下PPTA复合导电纱线的电导率"

图7

水洗60 min后PPTA复合导电纱线的扫描电镜照片"

图8

棉织物摩擦作用对PPTA复合导电纱线电导率保留率的影响"

图9

砂纸摩擦作用对PPTA复合导电纱线导电能力的影响"

图10

砂纸摩擦对PPTA复合导电纱线外观的影响"

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