▎ 摘　　要

NOVELTY - Nano-composite canvas coating containing graphene comprises 2-4 pts. wt. polyvinyl alcohol resin, 14-30 pts. wt. film-forming polymer resin liquid, 1-20 pts. wt. nanometer calcium carbonate slurry, 23-39 pts. wt. white filler, 4.9-6.9 pts. wt. coating auxiliary agent, 20-30 pts. wt. diluent water, and 0.1-2 pts. wt. graphene. The film-forming polymer resin liquid comprises at least two components, where weight proportion of each component is 8-18 pts. wt.. The amount of nano calcium carbonate in nanometer calcium carbonate slurry is 48-52%. The white filler comprises at least two components. USE - Used as nano-composite canvas coating containing graphene. DETAILED DESCRIPTION - Nano-composite canvas coating containing graphene comprises 2-4 pts. wt. polyvinyl alcohol resin, 14-30 pts. wt. film-forming polymer resin liquid, 1-20 pts. wt. nanometer calcium carbonate slurry, 23-39 pts. wt. white filler, 4.9-6.9 pts. wt. coating auxiliary agent, 20-30 pts. wt. diluent water, and 0.1-2 pts. wt. graphene. The film-forming polymer resin liquid comprises at least two components, where weight proportion of each component is 8-18 pts. wt.. The amount of nano calcium carbonate in the nanometer calcium carbonate slurry is 48-52%. The white filler comprises at least two components, where the weight proportion of each component is 5-20 pts. wt., the coating auxiliary agent comprises at least two components, where the weight proportion of each component is 0.25-4 pts. wt., the film-forming polymer resin liquid comprises styrene-acrylic emulsion, micron level pure acrylic resin liquid and/or UV self-crosslinking pure acrylic emulsion, the viscosity of the nanometer calcium carbonate slurry is less than or equal to 800 mPa.s, pH is 7.5-9, and the average particle diameter of the nano calcium carbonate is less than or equal to 60 nm.