▎ 摘　　要

NOVELTY - A composite material contains mica iron oxide and graphene oxide. USE - Composite material is useful in coating additive and rust-proof product (claimed). ADVANTAGE - The composite material has excellent corrosion resistance. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) preparation of composite material, which involves adding graphene oxide and organic solvent to water and then uniformly mixing, reacting the mixture, adding divalent iron source and oxidant to the mixture and then reacting, adding strong alkali to the mixture, and reacting; and (2) use of composite material in coating additive and rust-proof product.