▎ 摘　　要

NOVELTY - Preparing room temperature light curing super-hydrophobic anti-corrosion coating comprises (i) preparing modified graphene oxide, (ii) stirring and ultrasonically vibrating polyurethane acrylate (PUA), crosslinking agent and modified graphene oxide at 40degrees Celsius for 30 minutes to obtain PUA-functionalized GO, where the adding amount of the modified graphene oxide is 0.2-5% of the mass of the monomer PUA, (iii) adding the nano-silicon dioxide into ethanol solution, stirring and mixing uniformly, where the mass ratio of the nano-silicon dioxide to the ethanol is 1:15, and (iv) adding the photoinitiator into the PUA-FGO, then spraying the ethanol solution of the nano silicon dioxide on the PUA-FGO by spray gun, placing in ultraviolet lamp for illumination curing, where the adding amount of the photoinitiator is 1-10% of the mass of the monomer PUA. USE - The method is useful for preparing room temperature light curing super-hydrophobic anti-corrosion coating. ADVANTAGE - The coating has self-cleaning and strong corrosion resistance performances, is capable of forming coating at room temperature, has fast curing speed and high productivity, and is energy saving. The method utilizes raw materials which are environmentally friendly. DETAILED DESCRIPTION - Preparing room temperature light curing super-hydrophobic anti-corrosion coating comprises (i) taking 100 mg graphene oxide (GO) in 60 ml absolute ethyl alcohol, ultrasonically dispersing for 1 hour to form uniform dispersion, adding hydrochloric acid to adjust the dispersion pH to 3-4, slowly adding 10 ml 95 wt.% aqueous ethanol containing 0.3 g KH-570 under stirring, continuously reacting for 24 hours at 60degrees Celsius, centrifugally separating the product, respectively washing using absolute ethyl alcohol and deionized water, completely removing the unreacted KH-570, and making the washing liquid to neutral to obtain modified graphene oxide, (ii) stirring and ultrasonically vibrating polyurethane acrylate (PUA), crosslinking agent and modified graphene oxide at 40degrees Celsius for 30 minutes to obtain PUA-functionalized GO, where the adding amount of the modified graphene oxide is 0.2-5% of the mass of the monomer PUA, (iii) adding the nano-silicon dioxide into ethanol solution, stirring and mixing uniformly, where the mass ratio of the nano-silicon dioxide to the ethanol is 1:15, and (iv) adding the photoinitiator into the PUA-FGO, then spraying the ethanol solution of the nano silicon dioxide on the PUA-FGO by spray gun, placing in ultraviolet lamp for illumination curing, where the adding amount of the photoinitiator is 1-10% of the mass of the monomer PUA.