Patent ID: 8084541

Claim:
A thermoplastic composition comprising: (a) an E/X dipolymer; wherein E represents copolymerized units of ethylene, X represents copolymerized units of a C 3 to C 8 α, β ethylenically unsaturated carboxylic acid; wherein the amount of X is about 10 to about 24 weight %, based on the total weight of the E/X dipolymer; and wherein at least a portion of the acid moieties of the E/X dipolymer are neutralized to form an ionomer comprising carboxylate moieties and cations of one or more alkali metals, alkaline earth metals, or transition metals other than zinc; (b) a polyamine, in an amount of about 15 to about 40 weight % based on the total weight of the thermoplastic composition, said polyamine having a molecular weight of greater than 500 Da; wherein the polyamine does not contain an ester moiety or a primary amine moiety and the polyamine comprises at least three moieties that are tertiary amines or hindered secondary amines; and optionally (c) a filler.