Photographic film bases

Details Photographic film bases Photographic film bases

1981-02-24

1982-07-13

Louie, Jr., Won H.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

428483, 428527, 428935, 428536, 4273935, 427 40, 427 41, B32B 2706, G03C 178

Patent

active

043395317

ABSTRACT:
A coated film base suitable for coating with a light-sensitive photographic emulsion layer comprises a self-supporting film of a synthetic linear polyester and a continuous subbing layer applied to at least one surface of said self-supporting film comprising a water-insoluble copolymer of (a) styrene or a derivative of styrene, (b) a comonomer selected from acrylic acid, methacrylic acid or a derivative of acrylic acid or methacrylic acid and (c) a copolymerizable sulphonated ethylenically unsaturated comonomer having the general structure: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are the same or different and represent hydrogen, halogen, alkyl, nitrile, amide, amine, ketone, ethyl or vinyl;

REFERENCES:
patent: 3090704 (1963-05-01), Collins et al.
patent: 3411911 (1968-11-01), Dykstra
patent: 3681070 (1972-08-01), Timmerman et al.
patent: 4002802 (1977-01-01), Bayless et al.
patent: 4135932 (1979-01-01), Mann
patent: 4147550 (1979-04-01), Campbell et al.
patent: 4252885 (1981-02-01), McGrail et al.

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