Image-receiving element
AssigneePolaroid Corporation
InventorsAgota F. Fehervari, James J. Manning
Life of this patent
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Abstract
An image-receiving element for use in photographic and photothermographic dirrufsion transfer film units of the type where the image-receiving element is designed to be removed, or “peeled-apart” from a photosensitive element following exposure and photographic processing. The present image-receiving element comprises, in sequence, a support, an image-receiving layer and a strip-coat layer which serves to facilitate separation of the image-receiving element from the photosensitive element after photographic processing. The strip-coat layer comprises a cationic homopolymer or a copolymer of an acrylate with a quarternary salt functional group. The strip coat provides a glossy image after photographic processing.
Claims6
An image-receiving element for use in a photographic or photothermographic diffusion transfer process comprising in sequence:
- a support,
- an image-receiving layer;
- and
- a strip-coat layer overlying said image-receiving layer, said strip-coat layer comprising a polymeric material represented by the formula
- wherein
- R is alkyl;
- R1 is hydrogen;
- R2 is —C(O)R3,
- R3 is —OH;
- R6 is alkyl;
- R7 is alkyl;
- X is a photographically-acceptable anion;
- m is an integer of from 5 to about 1000;
- and n is an integer of from 0 to about 500.
A diffusion transfer film unit adapted for use in photographic and photothermographic processes, said film unit comprising:
- a photosensitive element comprising a support carrying at least one silver halide emulsion layer;
- an image-receiving element adapted to be separated from said photosensitive element following photoexposure and photographic processing, said image-receiving element comprising in sequence, a support, an image-receiving layer and a strip-coat layer overlying said image-receiving layer, said strip-coat layer comprising a polymeric material represented by the formula
- wherein
- R is alkyl;
- R1 is hydrogen;
- R2 is —C(O)R3;
- R3 is —OH;
- R6 is alkyl;
- R7 is alkyl;
- X is a photographically-acceptable anion;
- m is an integer of from 5 to about 1000;
- and n is an integer of from 0 to about 500.
Dependencies are inferred from the claim text.