Acylphosphine compounds, their preparation and their use

Details Acylphosphine compounds, their preparation and their use Acylphosphine compounds, their preparation and their use

C - Chemistry, Metallurgy

07

F

260/458.3, 260/2

C07F 9/30 (2006.01) C07F 9/36 (2006.01) C07F 9/40 (2006.01) C08F 2/50 (2006.01) C08K 5/5313 (2006.01) C08K 5/5398 (2006.01) G03F 7/029 (2006.01)

Patent

CA 1214463

Abstract of the Disclosure: Acylphosphine compounds of the formula I Image where X is oxygen, sulfur or an electron pair, Rl is R4 or oR4, R2 is -OM, where M is a monovalent cation, R3 is aryl which is substituted at least at the two positions ortho to the carbonyl group, and R4 is hydrogen, alkyl or aryl, are very effective photoinitiators for photopolymerizable materials, such as coating compositions, finishes, printing inks, unsaturated polyesters, recording media and prefer- ably aqueous polymer dispersions or solutions.

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