Actinic radiation curable formulations

Abstract

Energy-curable compositions can be cured in the presence of oxygen by exposure to actinic radiation employing as a photocatalyst system an essentially homogeneous admixture of (1) at least one compound which permits free radical polymerization through bimolecular photochemical reactions of the energy donor or energy transfer type, the hydrogen abstraction type, or by the formation of a donor-acceptor complex with monomers or additives leading to ionic or radical species; and (2) at least one photoinitiator selected from the group consisting of organic peroxide compounds which have as an identifying and critical feature at least one carbonyl group directly bonded through a carbon-oxygen bond to a peroxy oxygen atom.

Dependencies are inferred from the claim text.