▎ 摘　　要

NOVELTY - Dry powder coating comprises 1-3 pts. wt. calcium carbonate powder, 1-3 pts. wt. chitosan, 5-10 pts. wt. acrylic rubber powder, 35-45 pts. wt. modified shell powder, 10-15 pts. wt. coconut shell powder, 3-6 pts. wt. fluorogypsum powder, 4-9 pts. wt. carrageenan, 15-25 pts. wt. starch, 4-7 pts. wt. calcium carbonate powder, 2-4 pts. wt. nano silicon dioxide, and 0.5-1 pts. wt. graphene oxide. USE - Dry powder coating. ADVANTAGE - The dry powder coating has good bactericidal and antibacterial function, is formed by using various environmentally friendly raw materials, is non-toxic and harmless to the human body, and has synergistically enhanced components, good crack resistance, adhesion properties, and good hardness.