摘要 |
The invention pertains to a tinting composition for tinting objects made of polymeric material comprising a dye, solvent and some carrier compound for enhancing dye penetration into the polymeric material wherein the compound is one of a group enclosing at least 4-(methyl thio) benzyl alcohol, 4,4′ thiodiphenol, and 4,4′ thio bis benzenethiol: formulae (I); (II); (III).; |