Heat developement dye-transfer process using crosslinked binders

Details Heat developement dye-transfer process using crosslinked binders Heat developement dye-transfer process using crosslinked binders

1985-11-22

1987-01-13

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430213, G03C 554, G03C 140

Patent

active

046364552

ABSTRACT:
A novel process for transferring a diffusible dye to a dye fixing material by the steps of (a) applying water to a dye fixing material at least having a mordant and a binder on a support, (b) attaching the dye fixing material to a diffusible dye-containing material, and (c) heating the attached materials to transfer the dye from the dye-containing material to the dye fixing material, wherein the binder contains a cross-linked hydrophilic polymer and a non-cross-linked hydrophilic polymer and the amount of water applied to the dye fixing material is not more than the amount required to maximally swell the layer coated on the dye fixing material.
The dye fixing material of the present invention is capable of absorbing a sufficient amount of water in a short period of time, in the process of the present invention, to provide a dye-transferred image of high density in the dye fixing material after heating for a short time, which is substantially free from mottle or color bleeding.

REFERENCES:
patent: 3625694 (1971-12-01), Cohen et al.
patent: 3859096 (1975-01-01), Burness et al.
patent: 4500626 (1985-02-01), Naito et al.
patent: 4559290 (1985-12-01), Sawada et al.

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