Ethylene/vinyl alcohol copolymer and molded object thereof

The present invention provides to a new ethylene-vinyl alcohol copolymer which has improved stretching properties and provides a molded article having excellent gas barrier properties, appearance and strength, and a molded article thereof. The present invention is an ethylene-vinyl alcohol copolymer...

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Bibliographische Detailangaben
Hauptverfasser:	SHINTA MIYAZUMI, TAKAMASA MORIYAMA, IKKO MATSUI, MITSUO SHIBUTANI, KAORU INOUE
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 LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention provides to a new ethylene-vinyl alcohol copolymer which has improved stretching properties and provides a molded article having excellent gas barrier properties, appearance and strength, and a molded article thereof. The present invention is an ethylene-vinyl alcohol copolymer comprising the structural unit of formula (1): (wherein X represents any binding chain excluding an ether bond, each of R 1 to R 4 represents independently any substituent and n represents 0 or 1.).