Photopolymerizable compositions

Details Photopolymerizable compositions Photopolymerizable compositions

1980-11-03

1983-08-16

Louie, Jr., Won H.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

430281, 430285, 430286, 430287, 430288, 430916, 430920, 430915, 20415923, 20415924, 430945, G03C 168

Patent

active

043992110

ABSTRACT:
In a photopolymerizable composition comprising, as essential components, (A) a compound having at least one ethylenically unsaturated double bond capable of undergoing addition polymerization and (B) a photopolymerization initiator, the improvement which comprises that the photopolymerization initiator comprising a combination of (a) a 5-[(arenooxazol-2-ylidene)ethylidene]-2-thiohydantoin compound represented by the general formula (I) (a 5-[(substituted benzoxazol-2'-ylidene)ethylidene]-2-thiohydantoin compound) or (II) (a 5-[substituted naphthol(1,2-D)oxazol-2-ylidene)ethylidene]-2-thiohydantoin compound) and (b) a 2,4,6-substituted-1,3,5-triazine compound represented by the formula (III): ##STR1## wherein X represents a hydrogen atom, an alkyl group, a substituted alkyl group, an alkoxy group, an aryl group, a substituted aryl group, an aryloxy group, an aralkyl group or a halogen atom; R.sup.1, R.sup.2 and R.sup.3 each represents an alkyl group, a substituted alkyl group, an alkenyl group, an aryl group, a substituted aryl group or an aralkyl group, which may be the same or different; and R.sup.4, R.sup.5 and R.sup.6 each represents an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group or an aralkyl group, which may be the same or different but at least one of which represents a mono-, di- or trihalogenomethyl group.

REFERENCES:
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patent: 3899338 (1975-08-01), Lewis
patent: 3905815 (1975-09-01), Bonham
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patent: 3987037 (1976-10-01), Bonham et al.
patent: 4014702 (1977-03-01), Hinata et al.
patent: 4050936 (1977-09-01), Takeda et al.
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