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
1988-07-05
1990-08-21
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
430283, 430286, 430913, 430915, 430916, 430919, 430920, 430925, 522 15, 522 24, 522 25, 522121, G03C 168
Patent
active
049505815
ABSTRACT:
A photopolymerizable composition is provided containing a polymerizable compound having an ethylenically unsaturated bond, a photopolymerization initiator, and if necessary, a linear organic high molecular weight polymer. The photopolymerization initiator comprises a combination of (a) an organic compound represented by formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4, which may be the same or different, each represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkenyl group a substituted or unsubstituted alkynyl group, or a substituted or unsubstituted heterocyclic group, and at least two of said R.sup.1, R.sup.2, R.sup.3, and R.sup.4 may combine to form a cyclic structure, with the proviso that at least one of R.sup.1, R.sup.2, R.sup.3, and R.sup.4 is an alkyl group, and wherein Z.sym. represents an alkali metal cation or a quaternary ammonium cation, and (b) an organic dye having no counter anion.
REFERENCES:
patent: 4320189 (1982-03-01), Taguchi et al.
patent: 4636459 (1987-01-01), Kawamura et al.
patent: 4772530 (1988-09-01), Gottschalt et al.
patent: 4772541 (1988-09-01), Gottschalt et al.
patent: 4880149 (1989-01-01), Gottschalt et al.
Kita Nobuyuki
Koike Mitsuru
Brammer Jack P.
Fuji Photo Film Co. , Ltd.
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