Method and compositions for improved oxygen scavenging

Details Method and compositions for improved oxygen scavenging Method and compositions for improved oxygen scavenging

C - Chemistry, Metallurgy

08

L

C08L 23/08 (2006.01) A23L 3/3436 (2006.01) C08J 5/18 (2006.01) C08L 45/00 (2006.01)

Patent

CA 2305378

A composition capable of scavenging oxygen composed of (i) a copolymer having long chain branches comprising units derived from monomers of ethylene and at least one vinyl unsaturated alicyclic monomer, (ii) a transition metal catalyst; (iii) preferably, with a photoinitiator, and (iv) optionally, a polymeric diluent.

L'invention concerne une composition capable d'absorber l'oxygène, composée (i) d'un copolymère à ramifications à chaîne longue comprenant des motifs dérivés de monomères d'éthylène et au moins un monomère alicyclique vinyl insaturé; (ii) d'un catalyseur renfermant un métal de transition; (iii) de préférence, d'un photoinitiateur; et éventuellement (iv) d'un diluant polymère.

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