▎ 摘　　要

NOVELTY - The method for preparing moisture-free, solvent-free, graphene-modified epoxy coating, involves adding solvent-free epoxy resin E-51 (1), solvent-free epoxy resin (2), epoxy wetting and dispersing additive, graphene-nanorod composite material, mica iron oxide, talc powder, organic bentonite, nano metal and coupling agent, adding cashew nut shell oil modified phenolic amine curing agent to dispersing agent, adding polyamide curing agent and accelerating agent to obtain curing agent composite, mixing the coating to obtain final product. USE - Method for preparing moisture-free, solvent-free, graphene-modified epoxy coating (claimed). ADVANTAGE - The method enables preparation of moisture-free, solvent-free, graphene-modified epoxy coating with strengthened coating effect, excellent adhesion performance and excellent rust resistance. DETAILED DESCRIPTION - Method for preparing moisture-free, solvent-free, graphene-modified epoxy coating, involves (1) preparing solid oxide graphene product by Hummer process, carrying out solid-liquid separation, vacuum drying, dispersing the solid oxide graphene in glycol solution containing coupling agent, dispersing the oxide nanorods in glycol solution, stirring at 40-60 degrees C for 1-8 hours, filtering, vacuum drying to obtain graphene-nanorod composite material, (2) adding 300-400 pts. wt. solvent-free epoxy resin E-51 (1), adding 200-300 pts. wt. solvent-free epoxy resin (2) and 10-20 pts. wt. epoxy wetting and dispersing additive to reaction kettle, stirring, adding 20-40 pts. wt. graphene-nanorod composite material, 100-120 pts. wt. mica iron oxide, 50-100 pts. wt. talc powder, 5-10 pts. wt. organic bentonite, 5-10 pts. wt. nano metal and 5-10 pts. wt. coupling agent, dispersing at high-speed, adding 0-10 pts. wt. rheological additives, dispersing at high-speed, grinding to fineness of less than or equal to 10 microns, adding 1-10 pts. wt. leveling agent, adjusting the viscosity to obtain coating, (3) adding 20-30 pts. wt. cashew nut shell oil modified phenolic amine curing agent to 1-5 pts. wt. dispersing agent, adding 20-30 pts. wt. polyamide curing agent and 0-5 pts. wt. accelerating agent, mixing evenly to obtain curing agent composite, (4) mixing the coating and curing agent composite in a mass ratio of 1:1, thoroughly mixing, aging for 1-4 hours to obtain final product. An INDEPENDENT CLAIM is included for moisture-free, solvent-free, graphene-modified epoxy coating, which comprises material (A) and material (B). The material (A) comprises 300-400 pts. wt. solvent-free epoxy resin E-51 (1), 200-300 pts. wt. solvent-free epoxy resin (2), 10-20 pts. wt. epoxy wetting and dispersing additive, 20-40 pts. wt. graphene-nanorod composite, 100-120 pts. wt. mica iron oxide, 50-100 pts. wt. talc powder, 5-10 pts. wt. organic bentonite, 5-10 pts. wt. nano metal, 5-10 pts. wt. coupling agent, 0-10 pts. wt. rheological additives and 1-10 pts. wt. leveling agent. The material (B) comprises 20-30 pts. wt. cashew nut shell oil modified phenolic amine, 1-5 pts. wt. dispersing agent, 20-30 pts. wt. polyamide curing agent and 0-5 pts. wt. accelerator.