▎ 摘　　要

NOVELTY - A wall coating comprises 40-45 pts. wt., preferably 43 pts. wt. aqueous polyurethane-acrylate emulsion, 6-9 pts. wt., preferably 7.5 pts. wt. silicone resin, 7-10 pts. wt., preferably 8.5 pts. wt. titanium dioxide, 12-17 pts. wt., preferably 15 pts. wt. coated metal micropowder, 1-3 pts. wt., preferably 2 pts. wt. graphene, 4-7 pts. wt., preferably 5.5 pts. wt. pigment, 1-2 pts. wt., preferably 1.5 pts. wt. wetting dispersant, 1-3 pts. wt., preferably 2 pts. wt. silane coupling agent, 15-20 pts. wt., preferably 18 pts. wt. isocyanate curing agent, 2-4 pts. wt., preferably 3 pts. wt. dimethylthiotoluenediamine, 0.3-0.6 pt. wt., preferably 0.5 pt. wt. defoamer, 0.5-1.4 pts. wt., preferably 0.9 pt. wt. film-forming aid and 0.5-2.3 pts. wt., preferably 1.5 pts. wt. UV absorber. USE - Wall coating. ADVANTAGE - The coating has excellent radiation protection effect, corrosion resistance and water resistance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the coating, which involves adding aqueous polyurethane-acrylate emulsion and silicone resin to dispersion tank, adding titanium dioxide, coated metal powder, graphene, pigment, wetting dispersant, silane coupling agent, defoamer, film forming aid and UV absorber to the dispersion tank, stirring to obtain solution (A), adding isocyanate curing agent and dimethylthiotoluenediamine to dispersion tank to obtain solution (B), and mixing solution (A) and solution (B).