▎ 摘　　要

NOVELTY - High and low temperature resistant graphene zinc powder coating material comprises a first component and a second component where the first component includes 7-10 pts. wt. epoxy polysiloxane resin, 7-10 pts. wt. bisphenol A type epoxy resin, 40-50 pts. wt. zinc powder, 2-4 pts. wt. graphene slurry, 20-30 pts. wt. filler, 3-4 pts. wt. auxiliary agent, and 5-8 pts. wt. solvent; and the second component includes 55-65 pts. wt. composite amino compound, 30-35 pts. wt. phenolic aldehyde amine resin, and 4-15 pts. wt. solvent. The composite amino compound is formed by performing pre-polymerization addition reaction of γ-glycidyl ether oxypropyl trimethoxy silane and triethylene tetramine to molar ratio of 2.1-2.2:1.0, the average molecular weight is between 620-670, and the active hydrogen equivalent is between 155-167. USE - Used as high and low temperature resistant graphene zinc powder coating material. ADVANTAGE - The coating material has strong bonding force with the steel substrate, has high toughness and anti-cold and hot alternating ability, has excellent corrosion resistance, and has excellent salt mist corrosion resistance. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for A preparation method of the high and low temperature resistant graphene zinc powder coating material comprising mixing epoxy polysiloxane resin and bisphenol A type epoxy resin, zinc powder, slurry graphene filler, auxiliary agent, solvent uniformly to form a mixture to obtain first component, mixing γ-glycidyl ether oxypropyl trimethoxy silane with triethylene tetramine and solvent, and reacting at 55-65℃ for 1-1.5 hours, and cooling to room temperature to obtain composite amino compound, then mixing and stirring the composite amino compound with phenolic resin and solvent to obtain second component, mixing the first component and the second component uniformly to obtain raw material of high and low temperature resistant graphene zinc powder coating material, and then using the raw material to prepare the high and low temperature resistant graphene zinc powder coating material; A protective coating comprising high and low temperature resistant graphene zinc powder coating material; and A surface protective structure of steel base material comprising coated on the surface of the steel base material.