Conductive washable graphene/silver composite cotton fabric and preparation method thereof
A technology of cotton fabric and graphene, which is applied in physical treatment, plant fiber, textile and paper making, etc. It can solve the problems of not being resistant to washing, poor conductivity, etc., and achieve the effect of improving quality, good dispersibility, and enhancing commercial value
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[0033] Example 1
[0034] 1. Plasma pretreatment of cotton fabric: firstly, the pure cotton fabric is immersed in an acetone solution dissolved in sodium hydroxide, sealed and ultrasonically cleaned for 2 hours, the mass fraction of sodium hydroxide in the acetone solution is 50%, and then rinsed with deionized water To remove the solvent, it was placed in an oven at 80°C for 5 hours. Then use low-temperature vacuum plasma equipment to modify the surface of the dried cotton fabric. The plasma modification parameters are: temperature 80℃, pressure 1.0×10 -3 Pa, power supply is 250W, processing time is 20min, and the ratio of oxygen to argon is 9:1.
[0035] 2. Preparation of graphene cotton fabric: immerse the pretreated cotton fabric in a graphene oxide aqueous solution with a graphene oxide mass fraction of 1%, immerse in a constant temperature water bath at 100°C for 150 minutes, and the bath ratio of the cotton fabric to the graphene oxide aqueous solution The ratio is 1:250. A...
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[0038] Example 2
[0039] 1. Plasma pretreatment of cotton fabric: firstly, the pure cotton fabric is immersed in an acetone solution dissolved in sodium hydroxide, sealed and ultrasonically cleaned for 4 hours, the mass fraction of sodium hydroxide in the acetone solution is 36%, and then rinsed with deionized water To remove the solvent, it was placed in an oven at 60°C for 7 hours. Then use low-temperature vacuum plasma equipment to modify the surface of the dried cotton fabric. The plasma modification parameters are: temperature 70℃, pressure 2×10 -3 Pa, power supply is 200W, processing time is 15min, ratio of oxygen to argon is 4:1.
[0040] 2. Preparation of graphene cotton fabric: take the pretreated cotton fabric out and immerse it in a graphene oxide aqueous solution with 0.8% graphene oxide mass fraction, immerse in a constant temperature water bath at 80°C for 120 minutes, and bath the cotton fabric with the graphene oxide aqueous solution The ratio is 1:500. After the ...
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[0043] Example 3
[0044] 1. Plasma pretreatment of cotton fabric: firstly, the pure cotton fabric is immersed in an acetone solution dissolved in sodium hydroxide, sealed and ultrasonically cleaned for 2.5 hours, the mass fraction of sodium hydroxide in the acetone solution is 40%, and then rinsed with deionized water To remove the solvent, it was placed in an oven at 80°C for 4 hours. Then use low-temperature vacuum plasma equipment to modify the surface of the dried cotton fabric. The plasma modification parameters are: temperature 65℃, pressure 2.5×10 -3 Pa, power supply is 150W, processing time is 10min, and the ratio of oxygen to argon is 7:3.
[0045] 2. Preparation of graphene cotton fabric: immerse the pretreated cotton fabric in a graphene oxide aqueous solution with a graphene oxide mass fraction of 0.6%, immerse in a constant temperature water bath at 60°C for 90 minutes, and the bath ratio of the cotton fabric to the graphene oxide aqueous solution The ratio is 1:300....
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