Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1979-10-05
1981-03-31
Brammer, Jack P.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
20415918, 20415923, 430282, 430283, 430287, 430288, 430905, 430916, G03C 168
Patent
active
042594324
ABSTRACT:
In a photopolymerizable composition comprising (1) an addition-polymerizable compound having at least one ethylenically unsaturated double bond and (2) a photopolymerization initiator as essential components, the improvement which comprises that said photopolymerization initiator is a combination of (a) p-dialkylamino aromatic carbonyl compounds represented by the general formulae (1) to (4), (b) 5-isoxazolones represented by the general formula (5) and (c) 2,4,6-substituted-1,3,5-triazines represented by the general formula (6): ##STR1## where R.sup.1, R.sup.2 and R.sup.3 each represents an alkyl group or a substituted alkyl group, which may be the same or different from one another, X represents a substituent having a Hammett's .sigma. value in the range from -0.9 to 0.7, m represents 1 or 2, A.sup.1 and A.sup.2 each represents an alkyl group, a substituted alkyl group, an alkylcarbonyl group, an alkoxycarbonyl group, an aryl group, a substituted aryl group, an arylcarbonyl group or a hydrogen atom, which may be the same or different from each other, 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 from each other, but at least one of them represents a mono-, di- or trihalomethyl group.
REFERENCES:
patent: 3954475 (1976-05-01), Bonham et al.
patent: 4082556 (1978-04-01), Hunter
patent: 4141807 (1979-02-01), Via
patent: 4175971 (1979-11-01), Shinozaki et al.
patent: 4189366 (1980-02-01), Newland
Kondoh Syunichi
Matsufuji Akihiro
Ohara Yuji
Umehara Akira
Brammer Jack P.
Fuji Photo Film Co. , Ltd.
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