Composition with a polymer and an oxidation-catalyst

Details Composition with a polymer and an oxidation-catalyst Composition with a polymer and an oxidation-catalyst

C - Chemistry, Metallurgy

08

K

C08K 5/07 (2006.01) C08K 5/06 (2006.01) C08K 5/08 (2006.01) C08K 5/1575 (2006.01) C09K 15/08 (2006.01) C08K 5/00 (2006.01)

Patent

CA 2657602

The present invention relates to a polymer composition with an increased rate of oxygen- uptake by the presence of an oxidation catalyst. The invention further relates to a process to increase the rate of oxygen- uptake by a polymer composition. The invention also relates to a process to increase the oxo- biodegradability of a polymer composition and to the use of such a composition for the preparation of a product having a controlled lifetime. The invention further relates to a process to increase the rate of oxygen-scavenging in a composition containing a carbon-containing polymer, the composition obtained by this method and its use in the preparation of an oxygen- scavenging product. The present invention further relates to objects containing an oxygen scavenging layer containing such a composition.

L'invention concerne une composition polymère à taux de consommation d'oxygène accru par la présence d'un catalyseur d'oxydation. L'invention concerne, en outre, un procédé d'accroissement du taux de consommation d'oxygène par une composition polymère. Elle concerne aussi un procédé destiné à accroître l'oxo-biodégradabilité d'une composition polymère et l'utilisation de cette composition dans la préparation d'un produit à durée de vie contrôlée. Cette invention concerne enfin un procédé destiné à accroître le taux de piégeage de l'oxygène dans une composition contenant un polymère à teneur en carbone, la composition obtenue au moyen de ce procédé et son utilisation dans la préparation d'un produit de piégeage de l'oxygène, ainsi que des objets contenant une couche de piégeage de l'oxygène qui contient une telle composition.

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