Multi-layer packaging film and receptacles made therefrom

A multi-layer, oriented, heat shrinkable thermoplastic film comprising: (i) a layer composed of a blend of ethylene-vinyl acetate copolymer and a linear ethylene-alpha-olefin copolymer; (ii) a layer composed of (a) a linear ethylene-alpha-olefin copolymer; (b) a material selected from the group cons...

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Bibliographische Detailangaben
Hauptverfasser:	THOMSON, DAVID H, DESAI, BANKIM B, MOIR, WILLIAM A
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR 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 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 TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TRANSPORTING
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Beschreibung
Zusammenfassung:	A multi-layer, oriented, heat shrinkable thermoplastic film comprising: (i) a layer composed of a blend of ethylene-vinyl acetate copolymer and a linear ethylene-alpha-olefin copolymer; (ii) a layer composed of (a) a linear ethylene-alpha-olefin copolymer; (b) a material selected from the group consisting of ethylene-vinyl acetate copolymers and ethylene-n-butyl acrylate copolymers; and (c) a narrow molecular weight linear ethylene-alpha-olefin copolymer having a density of less than 0.900 g/cc; (iii) a layer composed of a vinylidene chloride copolymer or an ethylene-vinyl acetate copolymer in which the acetate moieties have been partially or completely hydrolyzed; and (iv) a layer composed of a copolymer of ethylene-vinyl acetate or a blend of ethylene-vinyl acetate copolymer and ethylene-alpha-olefin copolymer.