B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 15/08 (2006.01)
Patent
CA 2505738
The invention relates to a multilayered laminate for tubes and other similar film-type packagings comprising an embedded barrier layer, a metal film, especially an aluminium film, and optionally an outer structure, especially an an outer and/or sealing film. The barrier layer is made of polyamide (PA), especially aromatic and/or partially aromatic polyamide or mixtures thereof, of mixtures of PA with polyacrylnitrile (PAN) and/or ethylene vinyl alcoholcopolymers (EVOH) or of polyethylene terephthalate (PET). The invention also relates to a method for the production of said laminate.
L'invention concerne un stratifié multicouche pour tubes et emballages analogues de type feuilles, dotés d'une couche barrière intégrée, d'une feuille métallique notamment en aluminium, et éventuellement d'une structure extérieure, notamment d'une feuille externe et/ou de scellement. La couche barrière est en polyamide (PA), notamment en polyamide aromatique et/ou partiellement aromatique, ou en mélanges de polyamides, en mélanges de PA avec du polyacrylonitrile (PAN) et/ou des copolymères d'éthylène et d'alcool vinylique (EVOH), ou bien en polyéthylène téréphtalate (PET). La présente invention porte également sur un procédé pour réaliser ledit stratifié.
Holzmueller Arno
Schulz Detlev
Graham Lorelei G.
Huhtamaki Ronsberg Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co.kg
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