▎ 摘　　要

NOVELTY - High solid content aqueous graphene anti-corrosion paint, comprises first component comprising 40-60 wt.% graphene oxide/modified epoxy resin nanocomposite emulsion, 28-38 wt.% inorganic filler, 0.4-0.5 wt.% dispersant, and 1.5-3 wt.% auxiliary agent, and second component comprising 10-20 wt.% amine curing agent, where the graphene oxide/modified epoxy resin nanocomposite emulsion takes graphene oxide and modified epoxy resin emulsion as raw materials, and is prepared by in-situ polymerization and chemical reduction methods and the first component is 80-90 wt.% of the total weight of the paint. USE - High solid content aqueous graphene anti-corrosion paint. ADVANTAGE - The high solid content aqueous graphene anti-corrosion paint has improved physical and chemical properties of the epoxy resin organic-polymer space structure and molecular chain, on the other hand, the physical shielding action of graphene and inorganic filler blocks the water conveying channel to cooperatively realize organic-inorganic protection, to effectively block the infiltration and diffusion of the small molecule active corrosion medium, and it can increase the anti corrosion ability of the coating and prolong the service life of coating. The preparation method uses polyethylene glycol (PEG) modified epoxy resins to avoid the modified epoxy resin easy to hydrolyze, at the same time, using coupling agent make the synthesized graphene modifying epoxy emulsion resin only keeps the hydrophilic and oleophylic balance without agglomeration. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: preparation method of the high solid content aqueous anti-corrosion paint, comprising (a) adding the multifunctional epoxy resin and polyethylene glycol into the reaction kettle, adding a catalyst after stirring and mixing when heated to a molten state to obtain an active epoxy resin emulsifier, adding a certain amount of multifunctional epoxy resin into the reactive epoxy resin emulsifier, heating and stirring produce a polymerization reaction, preparing the modified epoxy resin emulsion by the phase inversion method, and making the emulsion particles reach ultra-micro size to obtain the modified epoxy resin nano-emulsion; (b) ultrasonically dispersing the graphene oxide nanomaterial to obtain a uniformly dispersed graphene oxide suspension, adding graphene oxide dispersion into the modified epoxy resin nanoemulsion, heating, stirring and preparing graphene oxide/modified epoxy resin nanocomposite emulsion through polycondensation reaction; (c) slowly adding the amino coupling agent diluent into the graphene oxide/modified epoxy resin nanocomposite emulsion, stirring and mixing in the reactor, and grafting outer edge of graphene with organic small molecular polymer to prepare a stably dispersed reduced graphene oxide/modified epoxy resin nanocomposite emulsion; (d) mixing the reduced graphene oxide/modified epoxy resin nanocomposite emulsion, inorganic filler, dispersant, auxiliary agent and amine curing agent; and use of the product prepared by the high-solid content aqueous anti-corrosion coating in anti-corrosion coating.