Sulfo-containing adhesive compositions and self-processing photo

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

1980-11-20

1982-11-02

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430215, 430524, 428480, G03C 176, G03C 148

Patent

active

043574092

ABSTRACT:
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.

REFERENCES:
patent: 2859200 (1958-11-01), Lappala
patent: 3256090 (1966-06-01), Booth
patent: 3362819 (1968-01-01), Land
patent: 3511659 (1970-05-01), Dennis et al.
patent: 4009029 (1977-02-01), Hammond et al.
patent: 4090997 (1978-05-01), Patel et al.
patent: 4097282 (1978-06-01), Noonan et al.
patent: 4113493 (1978-09-01), Sandhu et al.
patent: 4201578 (1980-05-01), Abbott
Research Disclosure, publication 19146, Mar., 1980.
Research Disclosure, publication 13525, Jul., 1975.

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