Photopolymerizable element having initiator in adhesive layer

Details Photopolymerizable element having initiator in adhesive layer Photopolymerizable element having initiator in adhesive layer

1978-11-21

1981-09-15

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

430275, 430281, 430306, 430523, 430524, 430905, 430910, 430911, 430916, 430919, 430923, G03C 176, G03C 168

Patent

active

042898439

ABSTRACT:
A photopolymerizable element suitable for use in the production of photorelief printing plates comprises a film or sheet, an adhesive layer and a photopolymerizable layer wherein the adhesive layer comprises a non-photopolymerizable plastics binder and a photopolymerization initiator comprising an admixture of a compound of the formula: ##STR1## preferably 4,4'-bis(dimethylamino)-benzophenone in an amount 0.01 to 2.0% by weight based upon the weight of the binder and another photopolymerization initiator in an amount 0.1 to 7% by weight based upon the weight of the binder.

REFERENCES:
patent: 3427161 (1969-02-01), Lariden et al.
patent: 3556792 (1971-01-01), Katz
patent: 3756827 (1973-09-01), Chang
patent: 3847771 (1974-11-01), McGinniss
patent: 3945833 (1976-03-01), Sumita et al.
Derwent Japanese Patents Report, vol. 75, No. 26, Section G, p. 2, Jul. 25, 1975.
Chemical Abstracts, vol. 68, 60,636a (1968).
Chang, Chemical Abstracts, vol. 75, 82,435f (1971).
Chemical Abstracts, vol. 84, 52,130w (1976).

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