Dow Corning Corporation

Leroy Elton Thayer

Gary A Vincent

James Steven Tonge

Ming-Hsiung Yeh

John D Jones

This invention relates to a radiation curable silicone coating composition comprising an alkoxylated resin-polymer organosilicone network containing radiation curable functionality and a cationic photoinitiator. The radiation curable silicone compositions of this invention are useful as fast curing low and high release coating compositions which are especially suitable for release of pressure sensitive adhesives.

Radiation curable silicone compositions

A process for improving the bath life and/or cure time of curable compositions. The process comprises first mixing an inhibitor with a catalyst, then adding that mixture to an organosilicon compound, and then adding the resulting mixture to an organohydrogensilicon compound. The process can optionally comprise a bath life extender compound. This process produces curable coating compositions which have a long bath life at room temperature and/or a rapid cure time at elevated temperatures such that they are useful in fast-paced coating operations, such as adhesive release coating operations wherein the cured coating is further coated with an adhesive immediately after being cured.

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Midland, MI, United States of America

Leroy Elton Thayer