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
1980-11-25
1982-06-15
Brown, J. Travis
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430277, 430278, 430292, 430294, 430381, 430448, G03C 500
Patent
active
043351972
ABSTRACT:
A method for producing a photopolymer image comprising (a) exposing, imagewise, a photosensitive element to actinic radiation, said element comprising a substrate coated with a photosensitive layer containing dispersed silver halide particles in operative association with a continuous film-forming phase of polymeric coupler, said coupler having (i) a number average molecular weight of about 2,000 to 100,000, (ii) a content of about 10 to 100 milliequivalents per 100 g of polymeric coupler of acidic methylene coupler groups and about 15 to 175 milliequivalents per 100 g of polymeric coupler of at least one of carboxylic, sulfonic and phosphonic acid groups, and (iii) the ability to couple with a monofunctional developing agent thus becoming water-insoluble; (b) developing (insolubilizing) the latent image; and (c) removing the undeveloped, soluble portion of the photosensitive element by washing with aqueous solvent.
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Tull, Journal of Photographic Science, vol. 24, pp. 158-167, 1976.
James, The Theory of Photographic Process, Fourth ed., pp. 298-327, 347, 348, 353 and 354, MacMillan Publ. Co., New York.
Chambers William J.
Plambeck, Jr. Louis
Brown J. Travis
Costello James A.
E. I. Du Pont de Nemours and Company
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