▎ 摘　　要

NOVELTY - A film comprises carbon molecular sieve and graphene layers stacked alternately with each other, where the graphene layer is continuous structure comprising multiple graphene sheets and carbon molecular sieve layer is discontinuous structure comprising multiple sheet-shaped carbon molecular sieves. USE - Film for use as auxiliary support membrane chosen from ultrafiltration membrane and microfiltration membrane and as capacitor dielectric film for desalination and in separating small molecules in gases, where pore size of membrane is 10-500 nm and membrane is made up of polysulfone, polycarbonate, polyether sulfone, PTFE, polyvinylidene fluoride, polyacrylonitrile, anodic aluminum oxide, mixed cellulose ester, cellulose acetate or cellulose ester (all claimed). ADVANTAGE - The film is flexible, can be manufactured simply and bent and does not depend on any solid support, has soft texture, self-supporting property, wide application range, stable chemical properties and excellent gas-separation properties and overcomes problems of brittle and fragile carbon molecular sieve membrane, rigid porous support and poor stability of graphene film. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for manufacturing a film.