Oxygen scavenging compositions and packaging comprising said...

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 67/02 (2006.01) B65D 81/26 (2006.01) C08K 3/08 (2006.01) C08K 5/20 (2006.01)

Patent

CA 2597918

The instant invention concerns a composition comprising a base polymer, at least one compound of the formula E-(L-E)x wherein: E is formula (I) or formula (II) and L is a linking group; and at least one transition metal in a positive oxidation state. The invention also concerns packages containing walls comprising such compositions, methods of forming such packages, and methods of packaging an oxygen-sensitive item within such a package.

La présente invention a trait à une composition comportant un polymère de base, au moins un composé de formule E-(L-E)x dans laquelle E est (I) ou (II) et L est un groupe de liaison; et au moins un métal de transition dans un état d'oxydation positif. L'invention a également trait à des emballages contenant des parois comportant de telles compositions, et à des procédés de formation de tels emballages, et à des procédés d'emballage d'un article sensible à l'oxygène dans un tel emballage.

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