A packaging material with an o2 barrier

Details A packaging material with an o2 barrier A packaging material with an o2 barrier

B - Operations, Transporting

32

B

B32B 13/12 (2006.01) B32B 27/08 (2006.01) B65D 65/40 (2006.01) C08J 7/04 (2006.01)

Patent

CA 2249457

A packaging material with an O2 barrier, in particular for flexible packagings, comprises a plastic film (1) coated with an organic coating (4) comprising at least one of the materials ethylene vinyl alcohol (EVOH) and polyvinyl alcohol (PVOH) applied to the plastic film (1) in fluid form. The organic coating (4) is coated with an inorganic coating (5) comprising a metal oxide or a non-metal oxide.

Un matériau d'emballage muni d'une barrière contre l'O¿2?, destiné en particulier aux emballages souples, comprend une feuille en matière plastique (1) recouverte d'une couche organique (4) comprenant au moins l'un des matériaux éthylène-alcool vinylique (EVOH) et alcool polyvinylique (PVOH) appliqué sous forme liquide sur la feuille en matière plastique (1). Ladite couche organique (4) est recouverte d'une couche inorganique (5) comprenant un oxyde métallique ou un oxyde non métallique.

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