Patent ID: 9670348
Date: 2017-06-06
CPC Classifications: C08J,C08K,C08L

Claim:
1. A dynamically vulcanized alloy comprising: a) at least one elastomer derived from 1) at least one C b) at least one polyamide having a relative viscosity in the range of 2.9 to 3.9 per ASTM D2857; c) at least one polyamide having a relative viscosity below 2.9 per ASTM D2857; and d) a viscosity modifier of 10 to 30 phr of an anhydride functionalized oligomer grafted to at least one of the polyamides, wherein the oligomer, prior to anhydride functionalization, is a viscous liquid having a molecular weight in the range of 500 to 2500, wherein the polyamides form a polyamide mixture, the dynamically vulcanized alloy has less than 100 ppm by weight of sulfonamides and the elastomer is present as a dispersed phase of small vulcanized or partially vulcanized particles in a continuous phase of the polyamide mixture.