Light-sensitive imaging element

Details Light-sensitive imaging element Light-sensitive imaging element

1995-06-02

1996-07-02

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

430523, 430537, 430935, 430937, G03C 179

Patent

active

055321186

ABSTRACT:
An imaging element comprising a light-sensitive imaging layer and a polyester film support having coated thereon greater than 0.17 gm/m.sup.2 of a layer of a self-crosslinking polyurethane derived from an isocyanate terminated prepolymer extended with an aliphatic polyamine and end-capped with N-methylol hydrazide groups, the prepolymer being derived from (a) a diisocyanate, and (b) a polyester polyol and having pendant water dispersing, carboxylic salt groups on the polymer chain.

REFERENCES:
patent: 3143421 (1964-08-01), Nadeau et al.
patent: 3201249 (1965-08-01), Pierce et al.
patent: 4335029 (1982-06-01), Dabi et al.
patent: 4695532 (1987-09-01), Ponticello et al.
patent: 4913970 (1990-04-01), Hayward et al.
patent: 4933237 (1990-06-01), Krenceski et al.
patent: 5034275 (1991-07-01), Pearson et al.
patent: 5378592 (1995-01-01), Nakanishi et al.

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