▎ 摘　　要

NOVELTY - Preparation method of antibacterial fabric, comprises (a) mixing methyl acrylate and methanol to obtain solution (A), taking diethylenetriamine, adding solution (A) under ice-water bath, stirring, reacting, adding flame retardant monomer, heating up, and reacting to obtain hyperbranched monomer, (b) mixing the obtained hyperbranched monomer and deionized water, performing ultrasonic dispersion to obtain dispersion liquid, adding silver nitrate aqueous solution, stirring, heating, reacting, and cooling to obtain antibacterial liquid, and (c) mixing graphene and deionized water, performing ultrasonic dispersion to obtain graphene dispersion liquid, mixing with the viscose collagen solution, and the antibacterial solution, and defoaming to obtain the spinning solution, spinning and forming, drawing orientation, washing and drying, to obtain viscose fiber, blending the viscose fiber and cotton fiber to form yarn, and performing plain weave molding to obtain the fabric. USE - The method is useful for preparing antibacterial fabric (claimed) useful in textile and clothes, and useful as a protective layer for clothing. ADVANTAGE - The fabric has excellent flame-retardant and antibacterial properties, and the antibacterial properties of the fabrics are long-lasting, and have excellent antibacterial properties after repeated washing. The method introduces graphene dispersion liquid and antibacterial liquid, the introduction of graphene dispersion liquid can improve the elasticity and mechanical properties of viscose fiber, and can improve the antibacterial performance and flame retardant performance of viscose fiber. Simultaneously, the antibacterial liquid can cooperate with the graphene dispersion liquid, which makes the antibacterial performance and flame retardancy of the viscose fiber more excellent. DETAILED DESCRIPTION - Preparation method of antibacterial fabric, comprises (a) taking methyl acrylate and methanol and mixing them uniformly to obtain solution (A), taking diethylenetriamine, adding solution (A) under ice-water bath, stirring, reacting at 25-30℃ under nitrogen atmosphere for 4-5 hours, removing methanol by rotary evaporation, adding flame retardant monomer, heating up to 150-155℃, and continuously reacting for 4-5 hours to obtain hyperbranched monomer, (b) mixing the obtained hyperbranched monomer and deionized water, performing ultrasonic dispersion for 20-30 minutes to obtain dispersion liquid, adding silver nitrate aqueous solution, stirring for 3-5 minutes, heating to 95-100℃, reacting for 5-6 hours, and cooling at room temperature to obtain antibacterial liquid, and (c) mixing graphene and deionized water, performing ultrasonic dispersion for 20-30 minutes to obtain graphene dispersion liquid, mixing evenly the viscose collagen solution, the graphene dispersion solution and the antibacterial solution, and leaving it stand for defoaming, to obtain the spinning solution, spraying into the coagulation bath through the spinneret hole, spinning and forming, drawing orientation, washing and drying, to obtain viscose fiber, blending the viscose fiber and cotton fiber to form yarn, and performing plain weave molding to obtain the fabric. An INDEPENDENT CLAIM is included for an antibacterial fabric prepared by the preparation method.