▎ 摘　　要

NOVELTY - A marine anticorrosive composite coating comprises a graphene primer, a graphene shielding paint, a high-elastic coating composite fiber material and a polyurethane composite topcoat material. USE - Marine anticorrosive composite coating. ADVANTAGE - The marine anticorrosive composite coating has high toughness and elasticity, and excellent ultraviolet resistance, and prevents the growth of marine organisms and adherence of pollutants. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the marine anticorrosive composite coating, which involves mixing raw materials of the graphene primer, applying obtained graphene primer on a substrate by rolling, obtaining bottom layer, mixing raw materials of the graphene shielding paint, spraying the graphene shielding paint on the graphene primer, obtaining shielding layer, mixing raw materials of the high-elastic coating composite fiber material, applying high-elastic composite coating on the graphene shielding paint, obtaining high-elastic coating composite fiber material, mixing raw materials of the polyurethane composite topcoat material, and spraying the polyurethane composite topcoat material on the fiber material.