发明公开
EP0101741A1 COLORING METHOD AND COLOR-FORMING MATERIAL 失效
着色方法和成色材料

COLORING METHOD AND COLOR-FORMING MATERIAL
摘要:
A method for coloring a material by reacting, on the material to be colored, (a) at least one aromatic isocyanate compound with (b) a > C = NH group-containing imino compound capable of reacting with the isocyanate compound to form color, and a color-forming material comprising the material carrying at least one of the compounds (a) and (b). The color formed by the reaction between the compounds (a) and (b) has excellent chemical resistance and light resistance.
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