Ultra high oxygen barrier films and articles made therefrom

Details Ultra high oxygen barrier films and articles made therefrom Ultra high oxygen barrier films and articles made therefrom

B - Operations, Transporting

32

B

B32B 27/34 (2006.01) B32B 27/32 (2006.01)

Patent

CA 2440432

Oxygen barrier films exhibiting high oxygen scavenging capability suitable for extended shelf-life, packaging applications. These films comprise a polyamide homopolymer, copolymer, or blends thereof; an ethylene vinyl alcohol copolymer; an oxidizable polydiene; and at least one metal salt catalyst. These films are particularly suited to making high barrier, retortable packaging structures such as pouches, containers etc. Such articles are useful for packaging a variety of oxygen-sensitive foods, beverage, medical and health care products.

L'invention porte sur un film barrière contre l'oxygène à forte capacité d'épuisement de l'oxygène pour emballage à longue durée de conservation. Un tel film comprend un homopolymère, ou copolymère de polyamide ou leur mélange, un polydiène oxydable, et au moins un catalyseur de sel métallique. De tels films sont particulièrement adaptés aux emballages stérilisables à forte barrière, tels que des sachets, des barquettes, etc. servant à conditionner différents aliments, boissons, articles médicaux et articles sanitaires sensibles à l'oxygène.

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