Method for preparing nylon-PEDOT (poly(3,4-ethylenedioxythiophene)) compound conductive fabric through in-situ polymerization
A composite conductive and in-situ polymerization technology, used in textiles, papermaking, fiber processing, etc., can solve problems such as difficult processing of PEDOT, and achieve good flame retardancy, little change in strength, and low cost.
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Embodiment 1
[0020] First, the nylon fabric is treated with a hydrochloric acid solution with pH = 4, two dipping and two rolling, the dipping time is 10min, and the scrapping rate is 70%; then the treated nylon fabric is immersed in EDOT concentration of 0.1mol / L, ferric chloride concentration 0.2mol / L, in 20g / L sodium polystyrene sulfonate solution. The reaction temperature is 70°C, and the reaction time is 10h. After the reaction is complete, remove the fabric. First wash off the surface attachments with deionized water, then soak and wash the fabric with absolute ethanol until the washing solution is colorless, and dry at 60°C to obtain a nylon / PEDOT composite conductive fabric. The square resistance of the conductive fabric is 0.20KΩ / □.
Embodiment 2
[0022] First, the nylon fabric is treated with a hydrochloric acid solution with pH = 4, two dipping and two rolling, the dipping time is 5 minutes, and the pass rate is 70%; then the treated nylon fabric is immersed in EDOT concentration of 0.1mol / L, ferric chloride concentration 0.2mol / L, in 15g / L sodium polystyrene sulfonate solution. The reaction temperature is 70°C, and the reaction time is 15h. After the reaction is complete, remove the fabric. First wash off the surface attachments with deionized water, then soak and wash the fabric with absolute ethanol until the washing solution is colorless, and dry at 60°C to obtain a nylon / PEDOT composite conductive fabric. The square resistance of the conductive fabric is 1.89KΩ / □.
Embodiment 3
[0024] First, the nylon fabric is treated with a hydrochloric acid solution with pH = 4, two dipping and two rolling, the dipping time is 10min, and the scrapping rate is 70%; then the treated nylon fabric is immersed in EDOT concentration of 0.1mol / L, ferric chloride concentration 0.2mol / L, in 20g / L sodium polystyrene sulfonate solution. The reaction temperature is 60° C., and the reaction time is 10 h. After the reaction is complete, remove the fabric. First wash off the surface attachments with deionized water, then soak and wash the fabric with absolute ethanol until the washing solution is colorless, and dry at 60°C to obtain a nylon / PEDOT composite conductive fabric. The square resistance of the conductive fabric is 2.75KΩ / □.
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