Image-receiving element for diffusion transfer photographic...

G - Physics – 03 – C

Patent

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G03C 8/52 (2006.01) G03C 1/805 (2006.01) G03C 8/10 (2006.01)

Patent

CA 2149032

An image-receiving element (10) for use in photographic diffusion transfer film units of the type wherein the image-receiving element, which includes an image-receiving layer (18), is designed to be removed, or "peeled-apart", from a photosensitive element after exposure and development have been carried out. The image-receiving element (10) includes a strip-coat layer (20) comprising a hydrophilic colloid, such as gum arabic, and an aluminum salt which overlies the image-receiving layer (18) and significantly reduces striations and/or haze and facilitates the separation of the image-receiving element (10) from the remainder of the film unit subsequent to diffusion transfer photography.

L'invention concerne un élément récepteur d'image (10) destiné à être utilisé dans des pellicules photographiques de diffusion-transfert, dans lesquelles l'élément récepteur d'image qui présente une couche réceptrice d'image (18) est conçu pour être enlevé ou détaché d'un élément photosensible une fois l'exposition et le développement réalisés. Ledit élément récepteur d'image (10) comprend une couche de revêtement pelable (20) constituée d'un colloïde hydrophile tel que de la gomme arabique, et un sel d'aluminium recouvrant la couche réceptrice d'image (18), réduisant sensiblement la striation et/ou le voile et facilitant la séparation dudit élément récepteur d'image (10) du reste de la pellicule après la photographie par diffusion-transfert.

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