G - Physics – 03 – C
Patent
G - Physics
03
C
G03C 1/498 (2006.01) G03C 1/74 (2006.01)
Patent
CA 2187456
A process for the manufacture of a photothermographic element comprising the steps of: a) providing a substrate, b) coating a first layer on said substrate, said first layer comprising an organic polymeric binder, silver halide, reducible silver salt or silver complex, and an organic solvent, c) before 70 % of the solvent in said first layer is removed from said first layer, coating a second layer comprising a solvent and a second polymeric binder onto said first layer, said second polymeric binder comprising at least one cellulose ester, at least one of said first layer and said second layer containing a reducing agent for silver ion.
Procédé de fabrication d'un élément photothermographique qui consiste (a) à disposer d'un substrat, (b) à appliquer une première couche sur le substrat, cette première couche comprenant un liant polymère organique, de l'halogénure d'argent, un sel d'argent ou complexe d'argent réductible et un solvant organique, et (c) à appliquer, avant que 70 % du solvant de la première couche ne soit éliminé de ladite première couche, une seconde couche comprenant un solvant et un second liant polymère organique sur ladite première couche, ledit second liant polymère comprenant au moins un ester de cellulose et au moins l'une desdites première et seconde couches contenant un agent réducteur des ions d'argents.
Imation Corp.
Smart & Biggar
LandOfFree
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