▎ 摘　　要

NOVELTY - An aqueous graphene metal rust-proof primer comprises 38-42 pts. wt. acrylic emulsion, 6.5-7.5 pts. wt. waste polystyrene foam, 3.9-4.2 pts. wt. graphene, 0.2-0.4 pt. wt. barium sulfate, 11-13 pts. wt. ethylene-vinyl acetate copolymer resin, 1-2 pts. wt. sorbic acid, 7-9 pts. wt. mica powder, 6-8 pts. wt. tourmaline powder, 5-7 pts. wt. bamboo fiber, 1.5-1.9 pts. wt. isobutyltriethoxysilane, 20-22 pts. wt. pigment and proper amount of deionized water. USE - Aqueous graphene metal rust-proof primer (claimed). ADVANTAGE - The aqueous graphene metal primer has excellent mirror effect, adhesive force and scratch resistance, improved corrosion resistance and rust resistance and low volatile organic compound emission, and improves the hardness, chemical resistance, water resistance and performance of the coated film. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation method of aqueous graphene metal rust-proof primer, which involves (a) grinding mica powder and tourmaline powder, sieving through a 120-140 mesh sieve, adding mica powder, tourmaline powder and ethylene-vinyl acetate copolymer resin to a high-speed mixer, high-speed stirring for 10-15 minutes, high-temperature treating at 715-810 degrees C for 20-30 minutes, cooling to room temperature and ultrasonically grinding for 40-50 minutes to obtain modified mixed powder, (b) uniformly mixing sorbic acid with 1-2 times deionized water and then stirring, adding isobutyltriethoxysilane, ultrasonically dispersing for 15-20 minutes, adding graphene and bamboo fiber, uniformly mixing, leaving for 8-10 hours, placing the mixture in a mixer in a 85-95 degrees C water bath, stirring at 10000 rpm for 30 seconds, filtering and washing to be neutral and drying to obtain modified graphene, (c) cleaning waste polystyrene foam, drying, crushing, adding 1.5-2 times mixed solvent, stirring until it is completely dissolved, adding acrylic emulsion and barium sulfate, uniformly stirring, placing the mixture in a water bath and rapidly stirring at 55-65 degrees C for 20-30 minutes to obtain modified acrylic emulsion, and (d) adding materials obtained in the step (a) and (b) to deionized water, stirring for 10-15 minutes, slowly adding pigment under stirring conditions, high-speed stirring for 30-60 minutes and ball milling until grain diameter is less than 60 mu m, adding modified acrylic emulsion, continuously and uniformly dispersing, vacuum degassing under 0.1 MPa for 1-2 hours, filtering and discharging to obtain product.