METHOD FOR THE PRODUCTION OF A PACKAGING MADE OF THERMOFORMABLE FILM HAVING HIGH THERMAL STABILITY AND WATER- VAPOUR BARRIER

A thermally formable thermoplastic polyolefin film of increased heat resistance containing 5-100 wt.% cycloolefin copolymers (COC) on the total polyolefin weight, of glass transition temperature Tg 65-200degreesC, as measured byDIN EN ISO 11357-1 standard with the aid of DSC at a heating rate of 10...

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Bibliographische Detailangaben
Hauptverfasser:	BEER, EKKEHARD, HEUKELBACH, DIRK
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 COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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 thermally formable thermoplastic polyolefin film of increased heat resistance containing 5-100 wt.% cycloolefin copolymers (COC) on the total polyolefin weight, of glass transition temperature Tg 65-200degreesC, as measured byDIN EN ISO 11357-1 standard with the aid of DSC at a heating rate of 10 K/minute, and heat forming stability of 60-200, preferably 110-180degreesC is new. An Independent claim is included for a process for preparation of the film by compressing COC or a polymer mixture in an extruder with heating, extrusion of the melt obtained with a flat or round nozzle, optionally chilling on a cooling roll, and drawing of the film obtained on one or more rollers.