ENCAPSULTED BARRIER FOR FLEXIBLE FILMS AND A METHOD OF MAKING AND USING THE SAME

ENCAPSULTED BARRIER FOR FLEXIBLE FILMS AND A METHOD OF MAKING AND USING THE SAME

A film structure having an inner barrier layer comprised of a blend of a polyamide and ethylene vinyl alcohol copolymer. The polyamide is present in the blend in an amount of from 15-40%, and most preferably from 25-30%. The inner barrier layer is laminated on each side with a layer of a polyamide....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BLEMBERG, ROBERT, J, CUDNOHOSKE, ERIC, CURIE, KEVIN, J
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:A film structure having an inner barrier layer comprised of a blend of a polyamide and ethylene vinyl alcohol copolymer. The polyamide is present in the blend in an amount of from 15-40%, and most preferably from 25-30%. The inner barrier layer is laminated on each side with a layer of a polyamide. The preferred polyamide is nylon, and particularly nylon 6. In a preferred embodiment, the film structure is layered with an oxide or ceramic layer. Included is a method of manufacturing the film and for using the film structure to package a product in a retort packaging process.