Methods for producing and preserving a silver halide photographi

Details Methods for producing and preserving a silver halide photographi Methods for producing and preserving a silver halide photographi

1990-05-01

1991-10-29

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

430534, 430535, 430349, 430935, 430939, 427377, 427379, G03C 176

Patent

active

050616110

ABSTRACT:
A method of preparing a light sensitive silver halide phtographic material is disclosed. The photographic material comprises a polyester support having a hydrophobic polymer layer containing a vinylidene chloride copolymer and at least one hydrophilic polymer layer. The method comprises steps of coating a hydrophilic polymer layer onto the polyester support, drying the layer until a water content of the layer reaches 60 wt %, and contacting the layer with air having a relative humidity of 5 to 25% for a period 5 seconds to 10 minutes. The photographic material according to the method has such a physical characteristics as dimensional stability for long time storage or anti-cracking of the photographic layer at the preparation period. It is suitable for printing use.

REFERENCES:
patent: 4645731 (1987-02-01), Bayless et al.
patent: 4699869 (1987-10-01), Bayless et al.
patent: 4933267 (1990-06-01), Ishigaki et al.
patent: 4946769 (1990-08-01), Arai et al.
patent: 4977071 (1990-12-01), Kanetake et al.
patent: 4994353 (1991-02-01), Hatakeyama et al.

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