▎ 摘　　要

NOVELTY - Preparing zinc-doped three-dimensional graphene/graded porous carbon aqueous anticorrosive paint, comprises (i) taking ion exchange resin as precursor and zinc-containing small molecular compound as catalyst and performing pyrolysis at high temperature with pore-forming agent and water, washing using deionized water until the pH is 7 to obtain zinc-doped three-dimensional graphene/graded porous carbon composite; (ii) mixing water, auxiliary agent, dispersing agent and zinc-doped three-dimensional graphene/graded porous carbon composite under high speed dispersing stage, grinding the primarily obtained composite slurry to obtain zinc-doped three-dimensional graphene/graded porous carbon slurry; and (iii) adding organosilicone modified polyurethane emulsion into zinc-doped three-dimensional graphene/graded porous carbon slurry, adding wetting agent, film-forming agent, leveling agent, defoaming agent and thickening agent and mixing. USE - The anticorrosive paint is used for marine engineering equipment. ADVANTAGE - The anticorrosive paint has strong performance stability and good corrosion resistance property, and is economical. DETAILED DESCRIPTION - Preparing zinc-doped three-dimensional graphene/graded porous carbon aqueous anticorrosive paint, comprises (i) taking ion exchange resin as precursor and zinc-containing small molecular compound as catalyst and performing pyrolysis at high temperature with pore-forming agent and water, washing using deionized water until the pH is 7 to obtain zinc-doped three-dimensional graphene/graded porous carbon composite, where the mass ratio of the ion exchange resin, zinc-containing small molecular compound and pore-forming agent is 10:0.1:10-10:1:50; (ii) mixing water, auxiliary agent, dispersing agent and zinc-doped three-dimensional graphene/graded porous carbon composite under high speed dispersing stage, grinding the primarily obtained composite slurry to obtain zinc-doped three-dimensional graphene/graded porous carbon slurry; and (iii) adding organosilicone modified polyurethane emulsion into zinc-doped three-dimensional graphene/graded porous carbon slurry, adding wetting agent, film-forming agent, leveling agent, defoaming agent and thickening agent and mixing.