Polyester photographic support

Details Polyester photographic support Polyester photographic support

1993-12-10

1996-12-24

Chu, John S. Y.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

264234, 264235, 264342RE, 264345, 264346, G03C 1795

Patent

active

055872786

ABSTRACT:
A polyester support prepared by the step of subjecting a polyester film to bulk rolling and heating the bulk rolled polyester film to a temperature of from 50.degree. C. to the glass transition point of said polyester film, or subjecting a polyester film to bulk rolling at a temperature of from 50.degree. C. to the glass transition point of said polyester film, resulting in the polyester support, wherein the glass transition point of said polyester film is 90.degree. to 200.degree. C., and wherein the step of bulk rolling has a start tension of 3 to 75 kg/m per unit width of the polyester film and an end tension of 3 to 75 kg/m per unit width of the polyester film.

REFERENCES:
patent: 4140740 (1979-02-01), DeSmedt et al.
patent: 4141735 (1979-02-01), Schrader et al.
patent: 4994214 (1991-02-01), Stevens et al.

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