Method for preparation of contrast-rich enscribed silicone objects

摘要

A process for the prodn. of silicone articles with high-contrast markings comprises irradiating a crosslinked silicone compsn. (I) with laser light. Compsn. (I) contains 0.005-30 wt% inorganic pigments, carbon black, metal oxides, inorganic spinels, pearly lustre pigments, lead chromate, BaSO4, CuSO4, anhydrous CuSO4, Zr silicate and/or metal or metal alloy powder in pure form or as paste (as additives ÄaÜ).