HEAT SEALABLE MULTILAYER FILM

Heat sealable multilayer films can package oil-rich contents to be retort sterilized without separation (delamination) of a cohesive failure heat seal layer due to penetration of oil from the contents and have appropriate heat seal strength and excellent easy openability, and can be opened with stab...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TAKEISHI ICHIRO, SHIMIZU TAKESHI
Format:	Patent
Sprache:	eng
Schlagworte:	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 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
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Beschreibung
Zusammenfassung:	Heat sealable multilayer films can package oil-rich contents to be retort sterilized without separation (delamination) of a cohesive failure heat seal layer due to penetration of oil from the contents and have appropriate heat seal strength and excellent easy openability, and can be opened with stable peel conditions. A heat sealable multilayer film includes a cohesive failure heat seal layer (1) that includes a resin composition including 75 to 85 wt % of a propylene polymer (A) and 15 to 25 wt % of an ethylene polymer (B) (based on the total of (A) and (B) of 100 wt %), and a support layer (2) including a propylene block copolymer (C).