▎ 摘　　要

NOVELTY - A self-polishing and stain resistant paint comprises 18-24 parts mass solid resin, 50-55 parts mass antifouling agent, 0.5-1.5 parts mass graphene microchip, 3-6 parts mass filler, dispersant, organic bentonite and balance amount of organic solvent. The solid resin comprises hydroxyl acrylic resin, zinc acrylate resin and balance amount of rosin. The zinc acrylate resin comprises zinc. The hydroxyl acrylic resin comprises hydroxyl content. The anti-fouling agent comprises copper pyrithione, 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one, cuprous oxide and balance amount of zinc oxide. USE - Self-polishing and stain resistant paint (claimed). ADVANTAGE - The paint has improved stability, enhanced stain resistance, high strength and improved crack resistance. DETAILED DESCRIPTION - A self-polishing and stain resistant paint comprises 18-24 parts mass solid resin, 50-55 parts mass antifouling agent, 0.5-1.5 parts mass graphene microchip, 3-6 parts mass filler, 1-2 parts mass dispersant, 1-2 parts mass organic bentonite and balance amount of organic solvent. The 18-24 parts mass solid resin comprises 4 parts mass hydroxyl acrylic resin, 4-6 parts mass zinc acrylate resin and balance amount of rosin. The zinc acrylate resin comprises 12-15 wt.% zinc. The hydroxyl acrylic resin comprises 4-5 wt.% hydroxyl content. The 50-55 parts mass anti-fouling agent comprises 3 parts mass copper pyrithione, 3 parts mass 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one, 30-35 parts mass cuprous oxide and balance amount of zinc oxide. The diameter of graphene microchip particle is (D50) plus minus 10 mu m. The specific surface area is 200-250 m2/g. The zinc oxide and cuprous oxide are spherical particles. The zinc oxide particle is plus minus 10 mu m. The cuprous oxide particle is plus minus 25 mu m. An INDEPENDENT CLAIM is included for preparation method of self-polishing and stain resistant paint, which involves (1) adding hydroxyl acrylic resin, dispersant and organic solvent into a dispersion tank, stirring, (2) adding graphene microchip and zinc oxide, stirring, grinding to obtain slurry with fineness of 20 mu m, (3) adding rosin and organic solvents into dispersion tank, stirring to fully dissolve the rosin, adding zinc acrylate resin, stirring, adding organic bentonite, filler, copper pyrithione, 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one and cuprous oxide, stirring, grinding to obtain slurry with fineness of 40 mu m, (4) adding the slurry obtained in step (2) and step (3) into a mixing tank, adding remaining organic solvent, stirring at 500-800 rpm, filtering, packaging and labeling.