135 TYPE SILVER HALIDE PHOTOGRAPHIC FILM

PROBLEM TO BE SOLVED: To solve problems on the light piping of the 135 type silver halide photographic film using a polyester support and to improve its handleability after loading a camera with it. SOLUTION: The support of this photographic film is made of the polyester comprising 60-85mol% repeati...

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1. Verfasser:	OKUTSU TOSHIMITSU
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AUXILIARY PROCESSES IN PHOTOGRAPHY CHEMISTRY CINEMATOGRAPHY COMPOSITIONS BASED THEREON COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F DYES ELECTROGRAPHY GENERAL PROCESSES OF COMPOUNDING HOLOGRAPHY INORGANIC CHEMISTRY LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS POLISHES PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To solve problems on the light piping of the 135 type silver halide photographic film using a polyester support and to improve its handleability after loading a camera with it. SOLUTION: The support of this photographic film is made of the polyester comprising 60-85mol% repeating units derived from ethylene-2,6-naphthalene and 15-40mol% repeating units derived from ethylene-terephthalate and having a glass transition point of 90-120 deg.C and a thickness of 112-128μm and a loop stiffness of 20-50g and this polyester contains a dye and has been biaxially stretched.