▎ 摘　　要

NOVELTY - A water-based rust preventive paint comprises 2-8 %mass silica sol, 0.5-1.5 %mass dispersant, 2-8 %mass titanium dioxide, 2-8 %mass zinc phosphate, 2-8 %mass aluminum tripolyphosphate, 0.1-0.9 %mass graphene, 1-3 %mass fumed silica, 0.5-1.5 %mass antirust agent, 0.1-0.9 %mass leveling agent, 0.1-0.3 %mass defoamer, 0.1-0.3 %mass neutralizer, 14.6 %mass water and remaining epoxy modified acrylic emulsion. USE - Water-based rust preventive paint for steel structure. ADVANTAGE - The water-based rust preventive paint is non-toxic, environmentally-friendly and easy to store, and has excellent flame retardance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation method of water-based rust preventive paint for steel structure, which involves uniformly mixing the above mentioned raw materials.