▎ 摘　　要

NOVELTY - A blackboard paint comprises 100-150 pts. wt. clay, 45-50 pts. wt. silicone modified epoxy resin, 20-30 pts. wt. starch, 15-25 pts. wt. polyvinyl alcohol resin, 5-15 pts. wt. flame retardant, 9-17 pts. wt. methyl methacrylate, 10-30 pts. wt. silica powder, 10-15 pts. wt. talc, 25-35 pts. wt. graphene, 10-30 pts. wt. xanthan gum, 1-6 pts. wt. wetting and dispersing agent, 50-60 pts. wt. diatomaceous earth, 5-10 pts. wt. glass fiber, 20-30 pts. wt. film-forming resin, 5-15 pts. wt. adhesive, 5-10 pts. wt. silane coupling agent, 2-8 pts. wt. defoamer, 5-15 pts. wt. ultraviolet absorber, and 5-15 pts. wt. nano-zinc oxide antibacterial agent. USE - Blackboard paint. ADVANTAGE - The blackboard paint is convenient to manufacture, clean and hygienic when writing, has excellent writing quality, abrasion resistance, deformation resistance, crack resistance, aging resistance, and long-service life.