MULTILAYER FILMS AND PACKAGES FORMED FROM SAME

The present invention provides multilayer films and packages formed from such films. In one aspect, a multilayer film comprises an outer layer, the outer layer comprising a polyethylene having a density of 0.930 g/cm 3 or greater and 0.01 to 1 weight percent of an additive, based on the total weight...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HILL, MARTIN, CHIRINOS, CAROLINA, PARKINSON, SHAUN
Format:	Patent
Sprache:	eng ; pol
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:	The present invention provides multilayer films and packages formed from such films. In one aspect, a multilayer film comprises an outer layer, the outer layer comprising a polyethylene having a density of 0.930 g/cm 3 or greater and 0.01 to 1 weight percent of an additive, based on the total weight of the polyethylene composition, the additive comprising either a sorbitol acetal derivative or a bisamide as specified, wherein the outer layer has a 50% seal strength temperature at least 10° C greater than an outer layer in a comparative film that differs only in the absence of the additive in the outer layer, when sealed to itself at a pressure of 5 bar with a dwell time of 0.5 seconds.