Journal of Textile Research ›› 2019, Vol. 40 ›› Issue (8): 117-123.doi: 10.13475/j.fzxb.20190202207

• Dyeing and Finishing & Chemicals • Previous Articles     Next Articles

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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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

CLC Number: 

  • TS195.5

Fig.1

Influence of MWCNTs-COOH concentration on conductivity of composite conductive wool fabric"

Fig.2

Influence of Py concentration on conductivity of composite conductive wool fabric"

Fig.3

Influence of FeCl3·6H2O concentration on conductivity of composite conductive wool fabric"

Fig.4

Influence of reaction time of oxypolymerization on conductivity of composite conductive wool fabric"

Fig.5

Influence of temperature of oxypolymerization on conductivity of composite conductive wool fabric"

Fig.6

FT-IR spectra of original wool fabric and composite conductive wool fabrics"

Fig.7

SEM images of original wool fabric (a) and composite conductive wool fabric with 1 (b), 3 (c) and 5 (d) assembly bilayers(×2 000)"

Fig.8

Interaction mechanism of wool, MWCNTs-COOH and PPy"

Fig.9

SEM image of composite conductive wool fabric after washing 10 times(×2 000)"

Tab. 1

Diameters of bacteriostatic zone of composite conductive wool fabrics with different assembly bilayersmm"

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

Fig.10

Antibacterial effect of composite conductive wool fabrics with 5 assembly bilayers against Escherichia coli bacteria (a) and Staphylococcus aureus bacteria (b)"

Fig.11

Surface wettability of composite conductive fabrics with 0 (a), 1 (b), 3 (c), and 5 (d) assembly bilayers"

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