Polyvinyl alcohol resin composition and multilayer packages

Details Polyvinyl alcohol resin composition and multilayer packages Polyvinyl alcohol resin composition and multilayer packages

C - Chemistry, Metallurgy

08

L

C08L 29/04 (2006.01) B32B 27/08 (2006.01) C08K 5/098 (2006.01) C08L 25/10 (2006.01) C08L 53/02 (2006.01)

Patent

CA 2389434

The present invention provides a resin composition having an oxygen scavenging function. The resin composition comprises 70 to 99.9 wt% of a polyvinyl alcohol resin (A) and 0.1 to 30 wt% of a thermoplastic resin (B) other than the polyvinyl alcohol resin (A), wherein the thermoplastic resin (B) has a carbon-carbon double bond and a functional group including a hetero atom, and an oxygen absorption rate of the resin composition is 0.001 ml/m2 .cndot. day or more.

L'invention concerne une composition de résine possédant une activité d'élimination de l'oxygène. Cette composition comprend 70 à 99,9 % en poids d'une résine d'alcool polyvinylique (A) et 0,1 à 30 % en poids d'une résine thermoplastique (B) différente de la résine (A), qui possède des liaisons doubles carbone-carbone et des groupes fonctionnels contenant des hétéroatomes. Cette composition possède un taux d'absorption de l'oxygène égal ou supérieur à 0,001 ml/m<2> x jour.

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