Photopolymerizable composition

Details Photopolymerizable composition Photopolymerizable composition

C - Chemistry, Metallurgy

08

F

402/125, 96/152,

C08F 2/50 (2006.01) G03F 7/031 (2006.01)

Patent

CA 1282541

PHOTOPOLYMERIZABLE COMPOSITION ABSTRACT OF THE DISCLOSURE Disclosed is a photopolymerizable composition comprising a vinyl monomer and a photopolymerization initiator. The photopolymerization initiator is a combination of (a) at least one compound selected from a mercaptocarboxylic acid, a polysulfide and a thio- phosphoric derivative with (b) an .alpha.-diketone. The composition may include a storage stabilizer and/or a filler. The composition has an excellent storage stability under heat and circumstantial light, with no coloration and aging change for the tone and providing products with excellent mechanical performances. The thiophosphoric derivative is selected from the group consisting of a monothiophosphoric compound, a dithiophosphoric diester and a thiophosphoric triester.

508595

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