RESIN COMPOSITION, RETARDATION FILM AND METHOD FOR PRODUCING RETARDATION FILM

PROBLEM TO BE SOLVED: To obtain a cellulose ester-based resin composition for easily adjusting birefringence by properly combining a cellulose ester-based resin with a plasticizer and a retardation film produced by melt-extruding the resin composition. SOLUTION: The resin composition comprises (A) 5...

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Hauptverfasser:	HAMAGUCHI KIYOTAKA, NODA TAKUO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a cellulose ester-based resin composition for easily adjusting birefringence by properly combining a cellulose ester-based resin with a plasticizer and a retardation film produced by melt-extruding the resin composition. SOLUTION: The resin composition comprises (A) 50-99 wt.% of a cellulose ester-based resin and (B) 50-1 wt.% of a plasticizer having a solubility parameter value calculated based on a small process of >9.0 [(A)+(B)=100 wt.%] as main components. The retardation film is obtained by melt-extruding the resin composition. COPYRIGHT: (C)2009,JPO&INPIT