RETORTABLE POLYMERIC FILMS

A polymeric film having superior oxygen barrier properties comprising at least three layers, two layers (12, 16) formed of an aliphatic polyamide such as poly(caprolactam) sandwiching a layer (24) formed of an aliphatic-aromatic polyamide such as poly(m-xylylene adipamide) or a blend of an aliphatic...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FURRER, WILLIAM WALTER, DEGRASSI, ALFIERI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR 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 TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS 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 TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	A polymeric film having superior oxygen barrier properties comprising at least three layers, two layers (12, 16) formed of an aliphatic polyamide such as poly(caprolactam) sandwiching a layer (24) formed of an aliphatic-aromatic polyamide such as poly(m-xylylene adipamide) or a blend of an aliphatic/aromatic such as poly(m-xylylene adipamide) with an ethylene vinyl alcohol copolymer.