POLYESTER FILM FOR METAL SHEET LAMINATING

A film to be laminated onto a metal plate and molded, which comprises the first copolyester comprising ethylene-2,6-naphthalene dicarboxylate as a main recurring unit or a blend of the first copolyester and the second copolyester comprising ethylene terephthalate as a main recurring unit. Both the f...

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Bibliographische Detailangaben
Hauptverfasser:	HASEGAWA, KINJI, MUROOKA, HIROFUMI, KUBO, KOJI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING GENERAL PROCESSES OF COMPOUNDING HANDLING THIN OR FILAMENTARY MATERIAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	A film to be laminated onto a metal plate and molded, which comprises the first copolyester comprising ethylene-2,6-naphthalene dicarboxylate as a main recurring unit or a blend of the first copolyester and the second copolyester comprising ethylene terephthalate as a main recurring unit. Both the first copolyester and the blend contain diethylene glycol in an amount of 0.05 to 8 mol%. This film has a small water extraction of 0.5 mg/inch or less and a center line surface roughness (Ra) of 4 to 30 nm. This film is excellent in moldability, retort resistance and taste retainability, does not spoil the taste of a refreshing drink and is also satisfactory in terms of handling property.