Patent ID: 6960376

Claim:
An oxygen absorptive resin composition comprising: a thermoplastic resin (a) having a number-average molecular weight in the range of 1000 to 500000 and having at least one kind of a structural unit represented by formula (I): wherein R 1 denotes an alkyl group having 1 to 10 carbon atoms, an aryl group, an alkylaryl group, or an alkoxy group; R 2 and R 3 denote independently a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, a substituted aryl group or a non-substituted aryl group, —COOR 4 , —OCOR 5 , a cyano group, or a halogen atom; and R 4 and R 5 denote independently an alkyl group having 1 to 10 carbon atoms, an aryl group, an alkylaryl group, or an alkoxy group, wherein the carbon-carbon double bonds in said structural unit in the resin (a) is contained in an amount of 0.0001 eq/g or more, and the structural unit represented by formula (I) is contained in the thermoplastic resin (a) in an amount of 10 mol % or more; and a transition metal salt (c) in an amount of 1 to 10000 ppm in terms of the metal element.