Adhesion of hydrophilic layers on polyester film

Details Adhesion of hydrophilic layers on polyester film Adhesion of hydrophilic layers on polyester film

1975-06-03

1977-01-04

Brammer, Jack P.

Gas separation: apparatus

Electric field separation apparatus

Electrode retaining or supporting means

96 87R, G03C 178

Patent

active

040010236

ABSTRACT:
The adhesion of hydrophilic layers on a dimensionally stable polyester film support is improved by applying after longitudinal stretching of the polyester film a single adhesive layer thereon. The thus covered polyester film is stretched in transverse direction and heat-setted at 180.degree.-220.degree. C. The adhesive layer comprises 30 to 80 % by weight of a chlorine-containing copolymer, 5 to 30 % by weight of gelatin, 5 to 40 % by weight of a plasticizer for the gelatin and 0 to 30 % by weight of a metal-complexing antistatic agent.
The polyester film may be a film of polyethylene terephthalate and the hydrophilic layer applied to the single adhesive layer may be a light-sensitive gelatin silver halide emulsion layer.

REFERENCES:
patent: 3432591 (1969-03-01), Heffefinger
patent: 3600208 (1971-08-01), Abbott et al.
patent: 3674531 (1972-07-01), Shephard et al.
patent: 3711284 (1973-01-01), Van Paesschen et al.
patent: 3751280 (1973-08-01), Nervrkar et al.
patent: 3756828 (1973-09-01), Yoneyama et al.
patent: 3786002 (1974-01-01), Van Paesschen et al.
patent: 3861924 (1975-01-01), Mackey et al.

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