▎ 摘　　要

NOVELTY - Marine anticorrosive composite coating comprises 40-60 pts. wt. polyurethane emulsion, 10-20 pts. wt. polyaniline dispersion, 8-16 pts. wt. nano-flaky zinc powder, 5-10 pts. wt. graphene, 0.75-1.5 pts. wt. polyethylene glycol and 0.2-0.6 pt. wt. polyether modified silicone oil. USE - Marine anticorrosive composite coating. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing the composite coating, involving (a) adding polyether modified silicone oil, ethyl orthosilicate hydrolyzate and polyaniline dispersion to the polyurethane emulsion, and stirring and mixing to obtain a mixed emulsion, and (b) adding nano-flaky zinc powder, graphene and polyethylene glycol to the mixed emulsion, stirring and mixing, and ultrasonically treating for 10-20 minutes to obtain the composite coating.