▎ 摘　　要

NOVELTY - Preparing a nano-diamond doped graphene oxide composite film, comprises performing condensation crosslinking reaction on the aminated nano diamond and carboxy on the graphene oxide sheet layer through heat treatment to ensure stably dispersed in the middle of the graphene oxide sheet layer and coating the nano diamond and graphene oxide sheet layer on one side of the hydrophobic microporous base membrane to obtain the final product. The hydrophobic microporous base membrane is a PTFE, PVDF or PP polymer hydrophobic microporous base membrane. USE - The composite film is useful in film distillation (claimed). ADVANTAGE - The film: has excellent average pore diameter, heat conductivity, mechanical and chemical stability; improves the water flux of the film distillation; can control the hydrophilic and surface load of the surface of the film and improves the anti-pollution performance in the film distillation process. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for nano-diamond doped graphene oxide composite film prepared by the above mentioned method.