▎ 摘　　要

NOVELTY - Preparing antibacterial brush wire comprises (i) mixing molten plastic chips with the graphene powder, carrying out extrusion granulation to obtain graphene slice; and (ii) drying the graphene slice, adding into an injection molding machine, softening with a putter, rotating screw, carrying out extrusion molding from the die and cooling. USE - The brush wire is useful for manufacturing toothbrush and cosmetic brush (claimed). ADVANTAGE - The brush wire is suitable for direct contact with human oral cavity or skin and safe and harmless. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for antibacterial brush wire is prepared by above mentioned method.