Passivierung von optisch variablen Pigmenten und solche Pigmente enhaltende wasserverdünnbaren Beschichtungszusammensetzungen

摘要

The present invention is a composition comprising an optically variable pigment modified with a silane functional compound and a copolymer which is a polymeric backbone having a reactive functionality thereon to react with the silane functional compound. The invention also includes a process for treating the optically variable pigment, and a coating composition containing the treated optically variable pigment.