Process for subbing photographic hydrophobic films

Details Process for subbing photographic hydrophobic films Process for subbing photographic hydrophobic films

1977-02-25

1978-12-05

Newsome, John H.

Gas separation: apparatus

Electric field separation apparatus

Electrode retaining or supporting means

427 40, 427 54, 427407C, 427407G, B05D 306

Patent

active

041284267

ABSTRACT:
The present application is directed to a process for subbing a photographic hydrophobic film which involves subjecting at least one surface of the film to a hydrophylizing pretreatment step, coating the pretreated surface with an aqueous dispersion containing a polymer which has particular comonomers in a combined amount of more than 76%, then coating the coated surface with a liquid containing colloidal silica.

REFERENCES:
patent: 3645740 (1972-02-01), Nishio et al.
patent: 3834928 (1974-09-01), Tatsuta et al.
patent: 3941727 (1976-03-01), Timmerman et al.

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