Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified backing or protective layer containing
Patent
1996-11-19
1998-06-02
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified backing or protective layer containing
430533, 430534, 430535, 4284111, 428480, 428483, G03C 1795
Patent
active
057597561
ABSTRACT:
The present invention is a photographic support including a core layer of a transparent non-crystalline polymer having a glass transition temperature Tg. The core layer has a first surface and a second surface. A first outer layer of a transparent crystalline polymer having a first stretch temperature Ts.sub.1 greater than the Tg is superposed on the first surface of said core layer. A second outer layer of a transparent crystalline polymer having a second stretch temperature Ts.sub.2 greater than the Tg is superposed on the second surface of said core layer.
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W. J. Schrenk and T. Alfrey, Jr., "Coextruded Multilayer Polymer Films and Sheets", Chapter 15, Polymer Blends, pp. 129-165 (1978).
D. Djordjevic, "Coexrusion", Vo. 6, No. 2, 1992, RAPRA Review Reports.
Chen Wen-Li A.
Greener Jehuda
Laney Thomas M.
Eastman Kodak Company
Ruoff Carl F.
Schilling Richard L.
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