Acidic adhesive compositions and self-processing photographic pr

Details Acidic adhesive compositions and self-processing photographic pr Acidic adhesive compositions and self-processing photographic pr

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, 430216, 430524, 428480, G03C 176, G03C 148

Patent

active

043574084

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. These adhesive compositions comprise a polymeric acidic component having at least 3 milliequivalents of acid per gram of polymer, and a substantially immobile, blocked photographic development restrainer or a substantially immobile, blocked competing photographic developer.

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: 4097282 (1978-06-01), Noonan et al.
patent: 4113493 (1978-09-01), Sandhu et al.
patent: 4201578 (1980-05-01), Abbott
patent: 4246333 (1981-01-01), Fuseya et al.
patent: 4292390 (1981-09-01), Katoh
Research Disclosure, publication 19146, Mar. 1980.
Research Disclosure, publication 13525, Jul. 1975.

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