▎ 摘　　要

NOVELTY - A self-cleaning multicolour paint of the utility model of the coating structure from inside to outside comprises a rust-proof layer, waterproof layer, graphene aqueous paint layer; the colourful polyurethane layer, a reflection heat insulation layer and a self-cleaning layer, wherein the rust-proof layer is aqueous inorganic zinc silicate layer. the outer surface of the waterproof surface layer is structure, the graphene aqueous paint layer is graphene/polyurethane resin aqueous paint layer, the self-cleaning layer is compounded with nanometer titanium dioxide with graphene, the reflective insulation layer is acrylic resin layer mixed with hollow micro-beads. so as to stain-resistant coating structure which not only corrosion-resistant performance of effective reinforcing steel plate base material, and effectively improving the colourful paint and heat insulation performance.