▎ 摘　　要

NOVELTY - Anti-corrosive wear-resistant coating, is claimed. The anti-corrosive wear-resistant coating is formed by hydrolyzing modified graphene, then mixing with modified metal-organic framework nanoparticles, epoxy resin, and ethylenediamine and curing. USE - The method is useful for preparing anti-corrosive wear-resistant coating. ADVANTAGE - The anti-corrosive wear-resistant coating has excellent bonding performance and self-repairing performance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparing anti-corrosive wear-resistant coating comprising (i) mixing benzotriazole and methanol at a mass ratio of 1:50-1:70 to obtain benzotriazole solution, mixing the metal-organic framework nanoparticles and the benzotriazole solution evenly at a mass ratio of 1:50-1:70, reacting at 20-30 ℃ with stirring at 500-1000 revolutions per minute for 72-120 hours, replacing the fresh benzotriazole solution every 24 hours, centrifuging after the reaction to get solid, washing with absolute ethanol for 3-5 times, and drying at 70-80 ℃ with a pressure of 50-100 Pa for 10-12 hours to obtain modified metal-organic framework nanoparticles, (ii) mixing graphene, pre-modified solution, tetrahydrofuran, dichloromethane, pyridine and cuprous bromide in mass ratio of 1:8:20:30:20:12-1:15:30:50:30:16, stirring at 200-400 revolutions per minute with a temperature of 50-60 ℃ for 20-24 hours under nitrogen gas atmosphere, centrifuging and washing with dichloromethane for 3-5 times, drying at -10 to -1 ℃ with a pressure of 5-10 Pa for 6-8 hours to obtain pre-modified graphene, mixing diallyl diphenylsilane and 4-chlorobutanal in a molar ratio of 1:2, then adding anhydrous aluminum trichloride with 0.06-0.08 times the mass of diallyl diphenylsilane, stirring and reacting at 85-95 ℃ with a speed of 300-500 revolutions per minute for 3-5 hours, stirring and washing with pure water, extracting and separating with toluene, drying at 20-30 ℃ with a speed of 50-100 Pa for 6-8 hours to obtain dialdehyde diallylsilane, mixing dialdehyde diallylsilane, 5-amino-8-hydroxyquinoline dihydrochloride, acetic acid and N,N-dimethylformamide in a mass ratio of 1:1:0.1:20-1:1.2: 0.2:25, stirring and reacting at 75-85 ℃ with a speed of 600-800 revolutions per minute for 3-5 hours, and drying at 30-40 ℃ with a speed of 50-100 Pa for 6-8 hours to obtain dihydroxyquinolyl diallylsilane, mixing pre-modified graphene, dihydroxyquinolyl diallylsilane, allyldimethyl monohydrosilane, diisopropyl dihydrosilane, triallylsilane and triethoxysilane and dibutyl ether in mass ratio of 5:3:1:1:1:30-7:4:1:1:1:40, then adding chloroplatinic acid (0.003-0.005 times quality of the pre-modified graphene) at 60-70 ℃ and stirring at 500-800 revolutions per minute for 3-4 hours, then adding triethoxysilane (0.003-0.005 times quality of pre-modified graphene) and stirring for 2-3 hours, centrifuging and washing with absolute ethanol for 3-5 times, and drying at -10 to -1 ℃ with a speed of 5-10 Pa for 6-8 hours to obtain modified graphene, and (iii) using 240-mesh emery paper to polish surface of metal substrate until it is bright, then scrubbing the surface with absolute ethanol for 3-5 times, drying at 60-70 ℃ for 6-8 hours to obtain pretreated substrate surface, hydrolyzing modified graphene, mixing the hydrolyzed modified graphene, modified metal-organic framework nanoparticles, epoxy resin and acetone in mass ratio of 1:5:30:3-1:7:40:5, adding ethylenediamine (0.08-0.12 times the mass of epoxy resin), heating at 60-70 ℃ in nitrogen atmosphere, stirring at 800-1000 revolutions per minute for 2-3 minutes, then coating 0.3-0.5 g/cm2on the surface of the pretreated substrate, curing at 20-25 ℃ for 20-24 hours, then using high-speed rotating polishing wheel for polishing to make the surface roughness less than Ra0.1 μm to obtain final product.