By co-operative function of photochromic material, UV absorbent and polyester paint, the formed film can automatically change color after irradiation, but it can restore intrinsic color.

• 通过光致变色材料、紫外线吸收剂和涂料的协同作用,当太阳光(或紫外光)照射后,漆膜能自动变色,但在无照射时又能恢复原有颜色。