▎ 摘　　要

NOVELTY - Formulation of vinylidene chloride-vinyl chloride copolymer film comprises inorganic additives comprising nano-silica or graphene sheet, thermal stabilizer comprising calcium/zinc liquid stabilizer, barium/zinc liquid stabilizer and/or epoxidized soybean oil having an epoxy value greater than 6%, and diluent comprising dimethyl phthalate, diethyl phthalate and/or benzophenone. USE - Formulation of vinylidene chloride-vinyl chloride copolymer film for preparation of porous film. ADVANTAGE - The copolymer film has high strength, is convenient for industrialized production and can be prepared by a simple method. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of vinylidene chloride-vinyl chloride copolymer film.