Sulfo-containing adhesive compositions and self- processing...

Details Sulfo-containing adhesive compositions and self- processing... Sulfo-containing adhesive compositions and self- processing...

G - Physics

03

C

96/182, 96/26, 9

G03C 3/00 (2006.01) G03C 8/52 (2006.01) G03C 11/00 (2006.01)

Patent

CA 1174503

SULFO-CONTAINING ADHESIVE COMPOSITIONS AND SELF-PROCESSING PHOTOGRAPHIC PRODUCTS CONTAINING SAME Abstract of the Disclosure Adhesive compositions are disclosed which are particularly useful as mask adhesives in instant photographic products. These adhesives provide high strength permanent bonds while greatly improving border quality around image areas after imagewise exposure and development. In addition, they can be heat sealed at relatively low sealing temperatures. these adhesive compositions comprise a polymeric acidic component having at least 3 milliequivalents of acid per gram of component, and a substantially immobile, blocked photographic development restrainer or a substantially immobile, blocked photographic developer. The polymeric acidic component comprises certain sulfo-containing polymers.

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