Compositions for marking plastic materials by laser irradiation, their preparation process, masterbatches containing them and their application in the laser marking of plastics.

摘要

P Compositions intended for the colored marking of plastics by laser irradiation, containing a mixture of at least one opacifying substance and at least one chromogenic substance corresponding to the desired color, masterbatches containing such compositions, applications to colored marking of a plastic, method of marking a plastic and plastic, containing such compositions. /P