▎ 摘　　要

NOVELTY - Heating composite fabric comprises dissolving the viscose in N-methylmorpholine N-oxide (NMMO) solution, stirring uniformly to obtain the spinning raw liquid, placing graphite into the reaction container, slowly adding fuming nitric acid, adding graphene dispersion into the spinning solution, fully grinding and mechanically stirring to obtain the graphene modified spinning raw liquid, adding the keratin solution into the graphene modified spinning raw liquid, extruding the spinning raw liquid from the spinneret hole to form fine flow before entering the coagulating bath, adding melamine, paraformaldehyde and organosilicone into a stirrer, a thermometer and a condenser of three-mouth flask, adding the dissolved polyvinyl alcohol aqueous solution, injecting modified melamine formaldehyde resin reaction liquid into the glass plate sprayed with release agent in advance, placing into an oven, baking for 5 minutes at 130degrees Celsius, and demolding to form a film, and cutting film into the shape. USE - The method is useful for heating composite fabric. ADVANTAGE - The method can produce viscose fiber with excellent performance more quickly. DETAILED DESCRIPTION - Heating composite fabric comprises (i) dissolving the viscose in N-methylmorpholine N-oxide (NMMO) solution, and stirring uniformly to obtain the spinning raw liquid, (ii) placing the graphite into the reaction container, slowly adding fuming nitric acid, slowly adding sodium fluoborate to react for 24 hours, washing with 5% of hydrochloric acid for 5 times, washing with distilled water to until the solution is neutral, peeling the graphene oxide dispersion 1 hour by the ultrasonic device, adding sodium hydroxide as reducing agent, polyvinyl pyrrolidone is dispersant, reacting for 12 hours at 95degrees Celsius water bath to obtain graphene dispersion liquid, (iii) adding the graphene dispersion into the spinning solution, the volume ratio of the graphene dispersion and the spinning solution is 1:20 under the condition of pressurizing, fully grinding and mechanically stirring to obtain the graphene modified spinning raw liquid, (iv) adding the keratin solution into the graphene modified spinning raw liquid, the volume ratio of the keratin solution and the spinning raw liquid is 1: 20, adding cerium nitrate ammonium salt, allowing stand for 5 hours at room temperature to obtain the modified spinning raw liquid, (v) using the modified spinning raw liquid for wet spinning, extruding the spinning raw liquid from the spinneret hole to form fine flow before entering the coagulating bath, pressurizing 151 kPa the fine liquid is solidified in the coagulating bath to obtain the primary viscose fiber, the primary viscose fiber is woven into fabric, (vi) adding melamine, paraformaldehyde and organosilicone into a stirrer, a thermometer and a condenser of three-mouth flask, melamine, the mass ratio of paraformaldehyde and organosilicone is 1:1:1, adding sodium hydroxide aqueous solution as catalyst, adjusting the pH of the system to 8.5 under the stirring water bath heating reaction 1.5 hour, the temperature is 90degrees Celsius, adding the dissolved polyvinyl alcohol aqueous solution, continuously reacting for 1 hour, curing with hydrochloric acid to obtain modified melamine formaldehyde resin, (vii) using glass into template, adjusting the level to the level, injecting the modified melamine formaldehyde resin reaction liquid into the glass plate sprayed with release agent in advance, using smooth metal rod for scraping film, placing into an oven, baking for 5 minutes at 130degrees Celsius, taking out and cutting along the periphery, and demolding to form a film, and (viii) cutting the film into the shape consistent with the fabric size to joint.