AMORPHOUS COPOLYMERIZED POLYESTER RAW MATERIAL FOR FILM, HEAT-SHRINKABLE POLYESTER-BASED FILM, HEAT-SHRINKABLE LABEL, AND PACKAGED PRODUCT

The invention provides an amorphous copolymerized polyester raw material for a film. The raw material contains ethylene terephthalate as a main constituent component, and contains from 18% by mol to 30% by mol of neopentyl glycol when a total amount of a glycol component in a total polyester resin c...

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Bibliographische Detailangaben
Hauptverfasser:	OHASHI, Hideto, HARUTA, Masayuki, MINAMI, Soichiro, ISHIMARU, Shintaro
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ADVERTISING 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 CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION GENERAL PROCESSES OF COMPOUNDING HANDLING THIN OR FILAMENTARY MATERIAL LABELS OR NAME-PLATES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PHYSICS SEALS SIGNS STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	The invention provides an amorphous copolymerized polyester raw material for a film. The raw material contains ethylene terephthalate as a main constituent component, and contains from 18% by mol to 30% by mol of neopentyl glycol when a total amount of a glycol component in a total polyester resin component is taken as 100% by mol. The raw material contains from 8% by mol to 16% by mol of a constituent unit derived from diethylene glycol in the total amount (100% by mol) of the glycol component in the total polyester resin component. The raw material has an intrinsic viscosity of from 0.70 dl/g to 0.86 dl/g. The raw material has a melt viscosity of 200 Pa·S or less, when measured at a shear rate of 6080/S at 250° C.