Rhodia Limited

Rhodia Chimie

Reeshemah L Beaty

Stuart R Kerr, Iii

Christian Priou

Andre Soldat

The invention concerns a composition cross-linkable under radiation. The composition includes at least one polyorganosiloxane with cross-linkable functional groups, a stabilizing amino agent, and an initiator system for hardening under radiation. The composition is stable for use and storage.

Stable polyorganosiloxane based compositions with cross-linkable functional groups and their use for producing antiadhesive coating

The present invention relates to a photoinitiator composition that can be used to initiate polymerization upon exposure to radiation. The said composition includes both a composition which yields cations upon exposure to actinic radiation, such as an iodonium borate initiator and a stabilizing amino agent. The amino agent is a secondary or tertiary amine having the general formula (VIII), a sterically arranged cyclic amine having the general formula (IX), or an amine consisting of groups that have the general formulas (VIII) and (IX) and that are interconnected. ##STR1## The compositions are particularly useful when used in conjunction with polyorganosiloxane monomers and when exposed to ultraviolet radiation.

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Chester, SC, United States of America

Reeshemah L Beaty