Particulate photographic polymer

Details Particulate photographic polymer Particulate photographic polymer

1997-03-20

1998-08-18

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430531, 430950, G03C 132

Patent

active

057957096

ABSTRACT:
There is disclosed a particulate photographic polymer, which at least comprises a repeating unit of the formula (I): ##STR1## wherein R is an alkyl group, a phenyl group, or a hydrogen atom; L is a divalent organic binding group; A is a repeating unit derived from at least one ethylenically unsaturated monomer, or a repeating unit derived by ring opening polymerization of a nitrogen-containing heterocyclic compound, with --(A).sub.m -- being soluble in water or a hydrophilic organic liquid; m is from 2 to 200; and Y is a monovalent binding group. The polymer is excellent in dispersion stability in coating solutions, prevents settling and agglomeratingis and the formation of mat pinholes, and can improve granularity of images.

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