▎ 摘　　要

NOVELTY - Preparing medical fabric silver/copper-graphene composite bacteriostatic coating involves adding equimolar amounts of silver nitrate and copper nitrate to a graphene oxide aqueous solution with a concentration of 0.01-0.1 mg mL-1and stirring to obtain a suspension uniformly. The concentration of silver nitrate and copper nitrate is 0.5-5 millimol L-1. A reducing agent is added to the suspension, and stirred to dissolve to obtain a brownish-yellow suspension with a reducing agent concentration of 0.01-0.5 millimol L-1, where the reducing agent is vitamin (C) or glucose. The brown-yellow suspension is sprayed onto the surface of the medical fabric and dried naturally. The surface of the medical fabric is uniformly sprayed again with a concentration of 0.001-0.05 mg mL-1graphene oxide aqueous solution equal to the volume of the brown suspension, and in the wet state of the medical fabric. USE - Method for preparing medical fabric silver or copper-graphene composite bacteriostatic coating. ADVANTAGE - The prepared silver-copper nanoparticle compound with antibacterial activity is efficiently loaded on the surface of different fabrics and fabric products through the bonding effect of graphene, realizes efficient antibacterial treatment on the surface of medical fabrics of different structures and related fabric products, to achieve the inhibition and killing effect on highly pathogenic and highly infectious bacteria or fungi. DETAILED DESCRIPTION - Preparing medical fabric silver/copper-graphene composite bacteriostatic coating involves adding equimolar amounts of silver nitrate and copper nitrate to a graphene oxide aqueous solution with a concentration of 0.01-0.1 mg mL-1 and stirring to obtain a suspension uniformly. The concentration of silver nitrate and copper nitrate is 0.5-5 millimol L-1. A reducing agent is added to the suspension, and stirred to dissolve to obtain a brownish-yellow suspension with a reducing agent concentration of 0.01-0.5 millimol L-1, where the reducing agent is vitamin (C) or glucose. The brown-yellow suspension is sprayed onto the surface of the medical fabric and dried naturally. The surface of the medical fabric is uniformly sprayed again with a concentration of 0.001-0.05 mg mL-1 graphene oxide aqueous solution equal to the volume of the brown suspension, and in the wet state of the medical fabric, irradiated with an ultraviolet lamp with a power of 5-100 watts and a wavelength center of 100-300 nanometer for 2-5 hours. The medical fabric is dried, and obtained a uniform and firmly loaded silver/copper nanoparticle-graphene composite antibacterial coating.