Method of making photographic element having epoxy overlayer

Details Method of making photographic element having epoxy overlayer Method of making photographic element having epoxy overlayer

1992-06-11

1993-01-12

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

427331, 430271, 430273, 430523, 430531, 430961, G03C 176

Patent

active

051789965

ABSTRACT:
Disclosed is a photographic element having a support, at least one layer for carrying an image on the support and a protective coated layer cured by an active energy ray thereon, wherein the protective coated layer is one obtained by curing, by irradiation of an active energy ray, an active energy ray curable composition containing a prepolymer containing at least 2 epoxy groups in the molecule and a polymerization initiator which can be activated by the active energy ray; and the active energy ray curable composition is coated on the layer carrying the image; and the layer carrying the image has a water content of 20.0% by weight or less. Disclosed is also a process for preparing the photographic element constituted as the above.

REFERENCES:
patent: 4082634 (1978-04-01), Chang
patent: 4092173 (1978-05-01), Novak et al.
patent: 4130708 (1978-12-01), Friedlander et al.
patent: 4171979 (1979-10-01), Novak et al.
patent: 4248959 (1981-02-01), Faust
patent: 4333998 (1982-06-01), Leszyk
patent: 4426431 (1984-01-01), Harasta et al.
Patents Abstracts of Japan, vol. 11, No. 201 (P-500) (2648) Jun. 30, 1987 & JP-A-62 021 150 (Konishiroku Photo Industry Co. Ltd.) Jan. 29, 1987 *abstract*.
Ronald S. Bauer (ed) "Epoxy Resin Chemistry" 1981, American Chemical Society, Washington US *Chapter 2, "Photosensitized epoxides as basis for light-curable coatings", pp. 17-45, especially p. 40, lines 1-6*.

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