▎ 摘　　要

NOVELTY - A film coating comprises 15-25 pts. wt. nano-diamond powder, 35-45 pts. wt. aqueous resin, 10-15 pts. wt. low-molecular polyamide, 8-10 pts. wt. curing agent, 12-15 pts. wt. coupling agent, 3-5 pts. wt. metal salt and 5-10 pts. wt. graphene sheets. USE - Film coating for heat dissipation of copper foil, aluminum substrate and electronic housing (claimed). ADVANTAGE - The film coating has improved thermal conductivity, emissivity, heat dissipation efficiency and mechanical properties. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of film coating, which involves mixing raw materials, stirring uniformly and mixing.