▎ 摘　　要

NOVELTY - Preparation of composite film involves uniformly dispersing graphene oxide in deionized water to obtain a mixed solution, adding ammoniacal silver solution, stirring the mixture at 40-60 degrees C while adding polyethylene glycol, heating at 115-125 degrees C for 2-3 hours, washing, drying to obtain silver graphene oxide powder, dissolving polyvinyl alcohol in deionized water, adding the obtained solution to silver graphene oxide powder, uniformly mixing, reacting at 85-95 degrees C for 1-2 hours, cooling and forming film. USE - Preparation of composite film (claimed). ADVANTAGE - The method enables preparation of composite film with excellent smoothness, uniformity, flexibility, stretching strength, thermal stability and antibacterial property.