Coated photographic base material

Details Coated photographic base material Coated photographic base material

1985-04-11

1987-05-05

Schilling, Richard L.

Stock material or miscellaneous articles

Composite

Of polyester

428500, 428521, 428522, 430532, 430533, 430536, G03C 180, G03C 187, G03C 176

Patent

active

046632360

ABSTRACT:
Photographic base materials are described which contain on at least one side thereof a coating whose binder component is produced predominantly from unsaturated compounds and which has been hardened by means of energy supplying radiation. Discoloration in connection with wet developing is avoided by including within the coating material, before hardening thereof, at least one unsaturated monomeric, oligomeric or polymeric hydroxyfunctional substance and by maintaining the molal concentration of the hydroxyl groups at a value of at least 2. The coating material as defined in the invention is suited for use as a base for photographic layers which are developed wet, as well as for those which are developed dry.

REFERENCES:
patent: 4384040 (1983-05-01), von Meer

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