Patent ID: 6228916
Filing Date: 2001-05-08
Classification: C08K

Abstract:
A conjugated diene polymer composition comprising:(a) 100 parts by weight of a non-coupling conjugated diene polymer consisting of at least one conjugated diene or a non-coupling random copolymer consisting of a conjugated diene and at least one monovinyl aromatic compound,(b) 0.03 to 0.2 parts by weight of a sulfur-containing antioxidant represented by the following general formula (I): ##STR5##wherein R.sub.1 and R.sub.3 are --CH.sub.2 --S--R.sub.5 in which each R.sub.5 represents independently an alkyl group having 2 to 18 carbon atoms; R.sub.2 represents hydrogen or a methyl group; and R.sub.4 represents an alkyl group having 1 to 8 carbon atoms, and(c) 0.03 to 0.2 parts by weight of a phenol type antioxidant represented by the following general formula (II) ##STR6##wherein R.sub.6 represents a tert-butyl group; and R.sub.7 represents an alkyl group having 2 to 22 carbon atoms.