Film bases coated with subbing layer of surface modified...

Details Film bases coated with subbing layer of surface modified... Film bases coated with subbing layer of surface modified...

G - Physics

03

C

96/180, 117/199

G03C 1/93 (2006.01) G03C 1/91 (2006.01)

Patent

CA 1064756

ABSTRACT OF THE DISCLOSURE: Photographic film bases and sensitised photographic films are produced by coating a supporting film with an aqueous dispersion or a solution in an organic solvent of an essentially water-insoluble homopolymer and/or copolymer of styrene and/or a styrene derivative to form an adherent polymeric subbing layer which is then subjected to a surface modifying, e.g. corona discharge, treatment. Light-sensitive photographic emulsions adhere directly to the treated subbing layer without the need for an intermediate gelatin subbing layer.

261171

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