Patent ID: 8772409

Claim:
A composition comprising a reaction product of: (a) a polyalkenamer; and (b) an organic modifier that includes a urethane containing unsaturated polymer or is selected from a carboxyl-terminated polybutadiene, an amine-terminated polybutadiene, a hydroxyl-terminated polybutadiene, an isocyanate-terminated polybutadiene, a carboxyl-functionalized polyisoprene, a hydrogenated liquid isoprene rubber functionalized with at least one moiety selected from the group consisting of carboxyl, hydroxyl, amino, epoxy, (meth)acrylate, vinyl, ester, isocyanate, carbonyl, urethane, anhydride or a metal salt thereof; and (c) a crosslinking agent; and (d) a co-crosslinking agent comprising an unsaturated fatty acid having from about 3 to about 8 carbon atoms, or a metal salt thereof.