纺织学报 ›› 2019, Vol. 40 ›› Issue (10): 113-119.doi: 10.13475/j.fzxb.20180908207

• 染整与化学品 • 上一篇    下一篇

高导电性聚吡咯涂层织物的制备

何青青1,2, 徐红1,2(), 毛志平1,3, 张琳萍1,2, 钟毅1,2, 吕景春1,2   

  1. 1.东华大学 生态纺织教育部重点实验室, 上海 201620
    2.东华大学 化学化工与生物工程学院,上海 201620
    3.东华大学 纺织科技创新中心 上海 201620
  • 收稿日期:2018-09-30 修回日期:2019-06-30 出版日期:2019-10-15 发布日期:2019-10-23
  • 通讯作者: 徐红
  • 作者简介:何青青(1993—),女,硕士生。主要研究方向为纺织品的功能整理。
  • 基金资助:
    国家重点研发计划项目(2017YFB0309700);国家自然科学基金面上项目(21872025)

Preparation of high-electrical conductivity polypyrrole-coated fabrics

HE Qingqing1,2, XU Hong1,2(), MAO Zhiping1,3, ZHANG Linping1,2, ZHONG Yi1,2, LÜ Jingchun1,2   

  1. 1. Key Laboratory of Eco-Textiles, Ministry of Education, Donghua University, Shanghai 201620, China
    2. College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China
    3. Innovation Center for Textile Science and Technology,Donghua University, Shanghai 201620, China
  • Received:2018-09-30 Revised:2019-06-30 Online:2019-10-15 Published:2019-10-23
  • Contact: XU Hong

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摘要：

为将聚吡咯导电材料应用于纺织领域,开发具有优良导电性及导电稳定性的功能性纺织面料,利用氢氧化钠/尿素体系对棉针织物表面进行改性,通过原位聚合的方法将聚吡咯沉积于改性的棉针织物表面制备导电织物,探讨了吡咯单体浓度、氧化剂用量、掺杂剂浓度、掺杂剂种类、反应温度和时间等参数对织物导电性的影响。将织物在空气、水中的导电稳定性进行对比,筛选出合适的掺杂剂。结果表明:5-磺基水杨酸钠(浓度0.015 mol/L)为掺杂剂,吡咯浓度为0.3 mol/L,氯化铁浓度为0.4 mol/L,在0 ℃下聚合反应4 h时,聚吡咯涂层后棉织物的表面方阻可降为1.4 Ω/□,而且涂层织物在空气中的导电稳定性好于其在水中的稳定性。

关键词: 功能纺织品, 棉针织物, 聚吡咯, 导电性, 原位聚合, 掺杂剂

Abstract:

In order to apply polypyrrole conductive materials in the textiles field, functional textile fabrics with excellent electrical conductivity and electrical stability were developed. The surface of cotton knitted fabric was modified by NaOH/urea system. Polypyrrole was deposited on the surface of the modified cotton knitted fabric by in-situ polymerization to prepare conductive fabrics. The influences of parameters such as concentration of pyrrole monomer, oxidant dosage, dopant concentration, dopant type, reaction temperature and reaction time on the electrical conductivity of fabrics were discussed. The suitable dopant was selected by comparing the electrical stability of fabric in air and water. The results show that the optimal process parameters are sodium 5-sulfosalicylate (with the concentration of 0.015 mol/L) as the dopant, the concentration of pyrrole of 0.3 mol/L, and the concentration of ferric chloride of 0.4 mol/L. When the polymerization reaction is carried out at 0 ℃ for 4 h, the surface sheet resistance of cotton knitted fabric after polypyrrole coating decreases to 1.4 Ω/□, and the electrical stability of the coated fabric in air is better than that in water.

Key words: functinal textile, cotton knitted fabric, polypyrrole, electrical conductivity, in-situ polymerization, dopants

中图分类号: 

  • TS195.5

图1

吡咯单体浓度对改性织物表面方阻和质量增加率的影响"

图2

FeCl3浓度对改性织物表面方阻和质量增加率的影响"

图3

不同掺杂剂对改性织物的表面方阻和质量增加率的影响"

图4

5-磺基水杨酸钠浓度对改性织物表面方阻和质量增加率的影响"

图5

SSANa与Fe3+的络合反应"

图6

反应温度对改性织物表面方阻和质量增加率的影响"

图7

反应时间对改性织物表面方阻和质量增加率的影响"

图8

样品的红外光谱图"

图9

掺杂后的织物X射线电子能谱图"

表1

掺杂后导电织物上S、Cl、N元素的原子含量"

类别 S2p含
量/%		 Cl2p含
量/%		 N1s含
量/%		 S与N
含量比		 Cl与N
含量比		 S与Cl
之和与
N含量比
SSANa 1.71 1.56 11.28 0.15 0.14 0.29
PTS 1.48 1.66 11.06 0.13 0.15 0.28
AQSANa 2.48 1.02 11.12 0.22 0.09 0.31
Cl- 0.08 2.35 13.58 0.01 0.17 0.18

图10

不同的掺杂剂对织物导电稳定性的影响"

图11

掺杂剂对织物润湿性能的影响"

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