ALIPHATIC POLYESTER BASED FILM

PROBLEM TO BE SOLVED: To provide an aliphatic polyester based film suitable as the general packaging film which excels in flatness and printability in the printing and laminating steps and excels in processing suitability without causing jetting when a film travels. SOLUTION: The aliphatic polyester...

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Bibliographische Detailangaben
Hauptverfasser:	ODA NAONOBU, YOSHIDA SHIGETO, KOBAYASHI HISATO, KUMANO KATSUFUMI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an aliphatic polyester based film suitable as the general packaging film which excels in flatness and printability in the printing and laminating steps and excels in processing suitability without causing jetting when a film travels. SOLUTION: The aliphatic polyester based film is composed of a polymer having, as the major component, an aliphatic polyester whose main repeating unit is represented by the formula: -O-CHR-CO-, wherein R is H or a 1-3C alkyl group, and has a gauge variation in the longer direction and in the width direction of