Multilayered polyamide tube for food packaging

Provided is a multilayered polyamide tube for food packaging wherein a layer (C) of the multilayered tube does not cause blocking and the adhesiveness between a processed meat or the like as a material to be packaged and the layer (C) of the multilayered tube is favorable. The multilayered polyamide...

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Bibliographische Detailangaben
Hauptverfasser:	YABUTA, HIROYUKI, KURIU, HIROKI
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 HANDLING THIN OR FILAMENTARY MATERIAL INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS 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 SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STORING TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Provided is a multilayered polyamide tube for food packaging wherein a layer (C) of the multilayered tube does not cause blocking and the adhesiveness between a processed meat or the like as a material to be packaged and the layer (C) of the multilayered tube is favorable. The multilayered polyamide tube for food packaging comprises a layer (A), a layer (B) and a layer (C) described below, shows a low-temperature shrinkage ratio of from 2 to 10% and has heat shrinking property and gas barrier property. The layer (A) contains a polyamide resin. The layer (B) contains a polyolefin resin. The layer (C) coming into contact with a material to be packaged is a layer (C-1) which contains a polypropylene resin having a heat distortion temperature (ISO 75B-1, ISO 75B-2) of 60°C or higher and a vicat softening temperature of 120°C or higher and has a surface wetting tension of 35 mN/m or more or a layer (C-2) which contains a linear low density polyethylene having a density of 0.92 g/cm