▎ 摘　　要

NOVELTY - Preparation method of epoxy resin/graphene oxide super-hydrophobic anticorrosive coating, involves (i) preparing graphene oxide-iron(II, III) oxide nanoparticles by hydrothermal method, (ii) dispersing the nanoparticles into ethanol-water mixed solution, adding gamma -aminopropyltriethoxysilane to stir, rinsing and freeze-drying, (iii) dissolving tridecafluorooctyl methacrylate, diethylenetriamine and sodium ethoxide in ethanol, stirring, distilling, using distilled water to obtain a fluorinated diethylene triamine curing agent, (iv) mixing epoxy resin, aminated graphene oxide-iron(II, III) oxide nanoparticles, and fluorinated diethylenetriamine curing agent, spraying on metal surface, suspending 240mT magnet on the surface of coating, and inducing the nanoparticles to migrate to obtain a magnetically induced epoxy resin/graphene oxide coating, and (v) dissolving heptafluorodecyltrimethoxysilane in a mixed solution of ethanol and water, spraying on the surface of coating, and air-drying. USE - The method is useful for preparing epoxy resin/graphene oxide super-hydrophobic anticorrosive coating (claimed). ADVANTAGE - The coating has super-hydrophobicity, static water contact angle up to 154.96 degrees , gradual structure within the layer, and shielding effect of graphene oxide and double anti-corrosion effect brought by the super-hydrophobic surface. DETAILED DESCRIPTION - Preparation method of epoxy resin/graphene oxide super-hydrophobic anticorrosive coating, involves (i) preparing graphene oxide-iron(II, III) oxide nanoparticles by hydrothermal method, (ii) ultrasonically dispersing the graphene oxide-iron(II, III) oxide nanoparticles into ethanol-water mixed solution, adding gamma -aminopropyltriethoxysilane to stir, rinsing and freeze-drying to obtain aminated graphene oxide-iron(II, III) oxide nanoparticles, (iii) uniformly dissolving tridecafluorooctyl methacrylate, diethylenetriamine and sodium ethoxide in ethanol, stirring at low speed, stirring at medium speed under protection of nitrogen, distilling under reduced pressure to remove ethanol and unreacted tridecafluorooctyl methacrylate, repeatedly using distilled water to remove diethanolamine and sodium ethoxide to obtain a fluorinated diethylene triamine curing agent, (iv) mixing epoxy resin, aminated graphene oxide-iron(II, III) oxide nanoparticles, and fluorinated diethylenetriamine curing agent, uniformly spraying on the metal surface, suspending 240mT magnet on the surface of the coating at a certain distance during the film formation process, and inducing the graphene oxide-iron(II, III) oxide nanoparticles to migrate to the surface of the nanocomposite coating to obtain a magnetically induced epoxy resin/graphene oxide coating, and (v) dissolving heptafluorodecyltrimethoxysilane in a mixed solution of ethanol and water after uniformly dispersed by low-speed stirring, spraying on the surface of the prepared magnetically induced epoxy resin/graphene oxide coating, and naturally air-drying to obtain a conductive epoxy/graphene oxide super-hydrophobic coating.