HIGH BARRIER PACKAGING FILM WITH CONTROLLED EXTRACTABLES

Coextruded or laminated multilayer films are provided having at least one layer of a fluoropolymer homopolymer or copolymer, a layer of a high-pressure, low-density poyethylene and an intermediate adhesive tie layer. Such barrier films substantially reduce the leaching of contaminants into a package...

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Bibliographische Detailangaben
Hauptverfasser:	GIBBONI, DAVID, J, ALTMAN, CARL, E
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS 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 TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Coextruded or laminated multilayer films are provided having at least one layer of a fluoropolymer homopolymer or copolymer, a layer of a high-pressure, low-density poyethylene and an intermediate adhesive tie layer. Such barrier films substantially reduce the leaching of contaminants into a packaged product, or are completely leach resistant. Il est fourni des films multicouches co-extrudés ou stratifiés ayant au moins une couche d'un homopolymère ou d'un copolymère d'un fluoropolymère, une couche d'un polyéthylène basse densité obtenu sous haute pression et une couche d'attache adhésive intermédiaire. De tels films barrières réduisent en grande partie l'extraction de contaminants vers un produit emballé ou sont complètement résistants à une extraction.