Patent ID: 8552097
Filing Date: 2013-10-08
Classification: C08K

Abstract:
1. A polymer composition comprising: (i) a nitrile polymer wherein the nitrile polymer is selected from the group consisting of hydrogenated nitrile/conjugated diene copolymer, nitrile/conjugated diene/ethylenically unsaturated monomer terpolymer, hydrogenated nitrile/conjugated diene/ethylenically unsaturated monomer terpolymer, and mixtures thereof, (ii) lithium carbonate; and (iii) at least one antioxidant selected from the group consisting of 4,4′-bis-(1,1-dimethylbenzyl)-diphenylamine, 4,4′-bis(phenylethyl)-diphenylamine, 4,4′-bis(octyl(-diphenylamine) and 2.2.4-trimethyl-1,2-dihydroquinoline, polymerized.