Thermally-developable light-sensitive element with a subbing...

G - Physics – 03 – C

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96/207

G03C 1/76 (2006.01) G03C 1/498 (2006.01) G03C 1/79 (2006.01)

Patent

CA 1108915

ABSTRACT OF THE DISCLOSURE A thermally developable light-sensitive element comprising a support having in one or more layers thereon at least (a) an organic silver salt, (b) light-sensitive silver halide grains and (c) a reducing agent, wherein the average grain size of the light-sensitive silver halide grains is not less than about 0.05 µ and the support is gas permeable and, in addition, carries thereon a subbing layer composed of at least one copolymer selected from the group consisting of a vinyl chloride type copolymer in which vinyl chloride is present in the copolymer in an amount of about 50 molar % or higher and a vinylidene chloride type copolymer in which vinylidine chloride is present in the copolymer in an amount of about 50 molar % or higher. The thermally-developable light-sensitive element of the invention is highly sensitive and in addition, has a good storage stability retaining on storage the properties possessed by the "fresh" photosensitive element even under high humidity conditions.

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