▎ 摘　　要

NOVELTY - Preparing reduced graphene oxide/cationic-modified cotton fabric involves: (a) soaking pure cotton fabric in a bath containing 260-280 g/L caustic soda, 2-4 g/L penetrating agent, and 40-60 g/L cationic modifier, and performing mercerizing and cationic modification treatment; (b) processing and applying certain tension to cloth surface; (c) washing caustic soda ; (c) releasing tension, washing caustic soda, and drying to obtain cationic-modified cotton fabric; (d) dispersing graphene oxide in deionized water; (e) placing in ultrasonic dispersion machine for ultrasonic dispersion, adding 10-12 g/L accelerant, 10-15 g/L dispersant, and stirring to obtain graphene dispersion; (f) placing cationic-modified cotton fabric in graphene dispersion, impregnating, and absorbing graphene oxide; (g) carrying out adsorption, and drying to obtain graphene oxide/cationic-modified cotton fabric; and (h) placing obtained fabric in reducing agent, performing in-stiu reduction, and drying. USE - Method of preparing reduced graphene oxide/cationic-modified cotton fabric. ADVANTAGE - The method provides reduced graphene oxide/cationic-modified cotton fabric having low surface resistance, improved washing fastness, and good conductive performance after 20 times of water washing, and satisfies the performance requirement of the electronic wearing product. DETAILED DESCRIPTION - Method of preparing reduced graphene oxide/cationic-modified cotton fabric involves: (a) mercerizing and cationic modifying cotton fabric by soaking pure cotton fabric after desizing and bleaching treatment in a treatment bath containing 260-280 g/L caustic soda, 2-4 g/L penetrating agent, and 40-60 g/L cationic modifier, and performing mercerizing and cationic modification treatment; (b) processing at 50-60°C for 3-5 minutes, and applying certain tension to the cloth surface; (c) washing caustic soda under the condition of tension, until the amount of caustic soda on the fabric is reduced to 6-8%; (c) releasing the tension, continuously washing caustic soda on the cloth, and drying to obtain cationic-modified cotton fabric; (d) weighing 2-4 %on-weight fabric of graphene oxide dispersed in deionized water, where the bath ratio is 1:100; (e) placing in ultrasonic dispersion machine for ultrasonic dispersion for 30 minutes, adding 10-12 g/L accelerant, 10-15 g/L dispersant, and stirring uniformly to obtain graphene dispersion; (f) placing the cationic-modified cotton fabric in the graphene dispersion, placing in constant temperature water bath with magnetic stirring at 60°C, impregnating, and absorbing graphene oxide for 60 minutes to complete primary adsorption; (g) carrying out adsorption for three times, and drying in an oven to obtain graphene oxide/cationic-modified cotton fabric; and (h) placing the graphene oxide/cationic-modified cotton fabric in 4-6 g/L reducing agent solution, and performing graphene oxide in-stiu reduction for 2-3 hours, removing, and drying.