▎ 摘　　要

NOVELTY - Antibacterial preservative film, comprises plastic masterbatch, antibacterial auxiliary agent and auxiliary raw material; where the antibacterial auxiliary agent includes tourmaline liquid and nano-graphene liquid. USE - Used as antibacterial preservative film. ADVANTAGE - The antibacterial preservative film: has low cost, long antibacterial action time, and high safety. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing antibacterial preservative film, comprising (i) evenly spraying antibacterial auxiliary agent on plastic masterbatch, drying and mixing auxiliary raw materials, and heating to obtain mixed solution, and (ii) adding the mixed solution into a film-forming container, casting to form a film, drying and taking the film, placing in a desiccator, and cooling and packing to obtain final product.