Photothermographic recording material coatable from an aqueous m

Details Photothermographic recording material coatable from an aqueous m Photothermographic recording material coatable from an aqueous m

1997-12-29

2000-11-07

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430531, 430600, 430613, 430617, 430965, G03C 1498

Patent

active

061434884

ABSTRACT:
A process for producing a photothermographic recording material having a support and a photo-addressable thermally developable element containing photosensitive silver halide in catalytic association with a substantially light-insensitive silver salt of an organic carboxylic acid, an organic reducing agent for the substantially light-insensitive silver salt of an organic carboxylic acid in thermal working relationship therewith and a binder including a water-soluble binder, a water-dispersible binder or a mixture of a water-soluble binder and a water-dispersible binder, comprising the steps of: (i) producing an aqueous dispersion or aqueous dispersions containing photosensitive silver halide, a substantially light-insensitive silver salt of an organic carboxylic acid, an organic reducing agent for the substantially light-insensitive silver salt of an organic carboxylic acid and a binder including a water-soluble binder, a water-dispersible binder or a mixture of a water-soluble binder and a water-dispersible binder; (ii) coating the aqueous dispersion or aqueous dispersions onto a support thereby forming a photo-addressable thermally developable element on the support, wherein at least 80 mol % of the photosensitive silver halide is silver iodide and the aqueous dispersion further contains or the aqueous dispersions further contain a diazine compound.

REFERENCES:
patent: 4105451 (1978-08-01), Smith et al.
patent: 4123282 (1978-10-01), Winslow
patent: 4157289 (1979-06-01), Ikenoue et al.
patent: 4442202 (1984-04-01), Shiga et al.
patent: 5350669 (1994-09-01), Witcomb et al.

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