Dye fixing material

Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...

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Details

430213, G03C 554, G03C 140

Patent

active

046198830

ABSTRACT:
A dye fixing material for fixing a mobile hydrophilic dye formed imagewise to a dye fixing layer is disclosed. The mobile hydrophilic dye image is formed by heating a heat-developable silver halide light-sensitive material in a substantially anhydrous condition after or during imagewise exposure. At least one layer of the dye fixing material contains a polymer having monomeric units of the following formula ##STR1## wherein A represents a vinyl monomer unit having no imidazole or imidazolium group, R.sub.1 and R.sub.3 represent a hydrogen atom, an alkyl group, an alkyl group substituted by a group capable of forming a coordinate bond with a metal, or a salt thereof, R.sub.2 and R.sub.5 represent a hydrogen atom or an alkyl, aralkyl, or aryl group, R.sub.4 represents an alkyl or aralkyl group, X.sup..crclbar. represents an acid radical, x is from 0 to 80 mole %, y is from 10 to 100 mole %, z is from 0 to 50 mole %.

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