纺织学报 ›› 2019, Vol. 40 ›› Issue (8): 117-123.doi: 10.13475/j.fzxb.20190202207

• 染整与化学品 • 上一篇    下一篇

多功能复合导电毛织物的制备及其性能

王文聪1,2(), 范静静1,2, 丁超1,2, 王鸿博1,2   

  1. 1.江南大学 江苏省功能纺织品工程技术研究中心, 江苏 无锡 214122
    2.生态纺织教育部重点实验室(江南大学), 江苏 无锡 214122
  • 收稿日期:2019-02-18 修回日期:2019-05-13 出版日期:2019-08-15 发布日期:2019-08-16
  • 作者简介:王文聪(1988—),女,讲师,博士。主要研究方向为纤维素溶解及凝固成形、功能纺织材料。E-mail: wencong828@hotmail.com。
  • 基金资助:
    国家自然科学基金项目(51703085);江苏省自然科学基金项目(BK20170189);江苏省博士后科研资助计划项目(2018K108C)

Preparation and properties of multifunctional composite conductive wool fabric

WANG Wencong1,2(), FAN Jingjing1,2, DING Chao1,2, WANG Hongbo1,2   

  1. 1. Jiangsu Engineering Technology Research Center of Functional Textiles, Jiangnan University, Wuxi, Jiangsu 214122, China
    2. Key Laboratory of Eco-Textiles (Jiangnan University), Ministry of Education,Wuxi, Jiangsu 214122, China
  • Received:2019-02-18 Revised:2019-05-13 Online:2019-08-15 Published:2019-08-16

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摘要：

为制备多功能复合导电织物,将羧基化碳纳米管(NWCNTs-COOH)和聚吡咯(PPy)逐层交替沉积在毛织物表面。借助数字万用表测试不同工艺条件下所得织物的电导率,优化复合导电毛织物的制备工艺;并对最优工艺下制备的复合导电毛织物的结构、耐洗涤性、抗菌性和表面润湿性进行研究。结果表明:羧基化碳纳米管分散液质量浓度为1.0 mg/mL,吡咯溶液浓度为1.00 mol/L,六水合三氯化铁溶液浓度为1.00 mol/L,氧化聚合时间为30 min,氧化聚合温度为0 ℃,组装次数为5时,复合导电毛织物的导电性能相对最优,电导率达到110 S/m左右;羊毛表面覆盖有MWCNTs-COOH/PPy多层膜,经10次洗涤后织物电导率下降至98.8 S/m,耐洗性良好;该复合导电毛织物对大肠杆菌和金黄色葡萄球菌具有明显的抑制能力,且疏水性有所提高。

关键词: 羧基化碳纳米管, 聚吡咯, 毛织物, 导电性能, 抗菌性能, 疏水性能

Abstract:

Multifunctional conductive wool fabric was successfully prepared by alternatively depositing carboxylic multi-walled carbon nanotubes (MWCNTs-COOH) and polypyrrole (PPy) on the charged surface of wool fabric. The influence of experimental conditions on the conductivity were determined using digital multimeter, and the structure, wash resistance, antibacterial property and water repellent property of composite conductive wool fabric prepared under the relatively optimal conditions were investigated. The results show that when the concentration of MWCNTs-COOH, PPy and FeCl3·6H2O are 1.0 mg/mL, 1.00 mol/L and 1.00 mol/L, respectively, the reaction time of oxypolymerization is 30 min, the temperature of oxypolymerization is about 0 ℃ and the number of assembly bilayers is 5, composite conductive fabric with the electrical conductivity around 110 S/m exhibits better conductive properties. The surface of wool fabric is covered by MWCNTs-COOH/PPy multilayers. The conductivity can reach 98.8 S/m after washing for 10 cycles, showing that the composite conductive wool fabric has good washing resistance. Besides, the composite fabric possesses a collection of various functions such as antibacterial property and water repellent properties.

Key words: carboxylic multi-walled carbon nanotube, polypyrrole, wool fabric, conductive property, antibacterial property, water repellent property

中图分类号: 

  • TS195.5

图1

MWCNTs-COOH质量浓度对复合导电毛织物电导率的影响"

图2

Py浓度对复合导电毛织物电导率的影响"

图3

FeCl3·6H2O浓度对复合导电毛织物电导率的影响"

图4

氧化聚合时间对复合导电毛织物电导率的影响"

图5

氧化聚合温度对复合导电毛织物电导率的影响"

图6

毛织物及复合导电毛织物的红外光谱"

图7

毛织物原样及不同组装次数复合导电毛织物的扫描电镜照片(×2 000)"

图8

羊毛、MWCNTs-COOH和PPy的组装机制"

图9

洗涤10次后复合导电毛织物的扫描电镜照片(×2 000)"

表1

不同组装次数复合导电毛织物的抑菌带宽度"

组装
次数		 抑菌带宽度
大肠杆菌 金黄色葡萄球菌
0 0.00 0.00
1 4.56 6.17
3 7.35 8.51
5 9.07 10.25

图10

组装次数为5的复合导电毛织物抑菌效果"

图11

不同组装次数复合导电织物的表面润湿性"

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