COIL OF IRRADIATED BARRIER FILM, OPTIONALLY MONO-ORIENTED, FOR THE PRODUCTION OF COLLAPSIBLE TUBES

A description is given of a coil (100) of co-extruded blown or cast barrier film (3"), intended for the production of flexible containers (200) in the form of tubes, characterised in that said co-extruded barrier film is also surface irradiated on at least one of the two opposite outer layers (...

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Bibliographische Detailangaben
Hauptverfasser:	CENTONZE, Massimo, LANATI, Simonetta
Format:	Patent
Sprache:	eng ; fre
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 description is given of a coil (100) of co-extruded blown or cast barrier film (3"), intended for the production of flexible containers (200) in the form of tubes, characterised in that said co-extruded barrier film is also surface irradiated on at least one of the two opposite outer layers (10; 50) with a base of olefin (co)polymers, said film further comprising an intermediate barrier layer (30) and optionally at least two intermediate binding layers (20; 40). L'invention concerne une bobine (100) de film barrière (3") soufflé ou moulé coextrudé, destiné à la production de récipients souples (200) sous la forme de tubes, caractérisé en ce que ledit film barrière coextrudé est également irradié en surface sur au moins l'une des deux couches externes opposées (10; 50) avec une base de (co)polymères d'oléfine, ledit film comprenant en outre une couche barrière intermédiaire (30) et, en option, au moins deux couches de liaison intermédiaires (20; 40).