▎ 摘　　要

NOVELTY - A graphene oxide separation film with stable structure comprises a separating layer and a supporting layer. The film layer after alternate spin-coating of graphene oxide and cage silsesquioxane particles is used as separating layer and the polymer ultrafiltration film serves as supporting layer where thickness of separating layer is 15-50 nm. USE - Graphene oxide separation film used for alcohol-water separation system. ADVANTAGE - The film has excellent permeability, selectivity and stability in alcohol-water separation system and has simple preparation technique, prolongs the service life of film and improved separation efficiency. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for the preparation of graphene oxide separation film.