A RECYCLABLE PAPER PACKAGING MATERIAL COMPRISING METALLIZED AND POLYMERIC BARRIER LAYERS ATTACHED BY A BINDER

The present invention concerns a barrier multilayer packaging material structure (1) being formed as a flexible or semi-rigid unitary sheet and comprising a metallized paper (2) which is further coated on the inner side of said material structure (1), with a polymeric binder (5) selected from the li...

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Bibliographische Detailangaben
Hauptverfasser:	BHATTACHARYA, Abhijit, VISHTAL, Alexey, ZEBOUDJ, Lise
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	IMPREGNATING OR COATING OF PAPER LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	The present invention concerns a barrier multilayer packaging material structure (1) being formed as a flexible or semi-rigid unitary sheet and comprising a metallized paper (2) which is further coated on the inner side of said material structure (1), with a polymeric binder (5) selected from the list of: pure ethylene-acrylic acid, pure methacrylic acid copolymer, pure polyester, pure polyvinyl acetate, pure polyurethane, and being further coated on its innermost side with a water resistant oxygen-barrier layer (6) of pure polyvinylidene chloride (PVDC). La présente invention concerne une structure de matériau d'emballage multicouche barrière (1) étant formée sous la forme d'une feuille unitaire souple ou semi-rigide et comprenant un papier métallisé (2) qui est en outre revêtu sur le côté interne de ladite structure de matériau (1), avec un liant polymère (5) choisi dans la liste de : acide éthylène-acrylique pur, copolymère d'acide méthacrylique pur, polyester pur, acétate de polyvinyle pur, polyuréthane pur, et étant en outre revêtu sur son côté le plus à l'intérieur avec une couche barrière à l'oxygène résistante à l'eau (6) de polychlorure de vinylidène (PVDC) pur.