▎ 摘　　要

NOVELTY - Multifunctional aqueous coating comprises 94-99 wt.% KH-566 (RTM: 2-(3,4-epoxycyclohexyl)ethyltrimethoxysilane) modified acrylic emulsion, 1-5 wt.% antibacterial enhancer, 0.1-0.5 wt.% leveling agent and 0.1-0.5 wt.% defoamer, where the antibacterial enhancer comprises cationic reduced graphene oxide graphite carbon doped reduced graphene oxide with surface grafted chitosan quaternary ammonium salt. USE - Coating used for cold storage container inner wall plate. ADVANTAGE - The coating has high hardness, high binding effect and excellent chemical resistance and antibacterial properties, and is economical and environmentally-friendly.