| 摘要 |
The invention relates to a thermochromic paint which is used to coat plastics material, the paint having an additive which reduces the tendency of the paint to degrade the plastics material under heat treatment. The thermochromic paint consists of a binder, a thermochromic pigment dispersed therein, and as additive compound a sulfide, nitride or an optionally hydrated sulfate, or oxide, or a salt, free acid or organic compound derivable therefrom, of zinc or of an element of Group III B, IVB or VB of the periodic table. |
