Patent ID: 6140424
Filing Date: 2000-10-31
Classification: C08K,C08L

Abstract:
A thermoplastic elastomer composition comprising(A) from about 20 to about 75 percent by weight of the total composition of a C.sub.2-8 polyolefin thermoplastic polymer,(B) from about 80 to about 25 percent by weight of the total composition of a cured blend of(a) from about 25 to about 75 percent by weight of the total of (a) and (b) of a polar rubber selected from the group consisting of acrylic rubber, nitrile rubber, hydrogenated nitrile rubber, a copolymer of an acrylate and ethylene, a terpolymer of ethylene, acrylate and carboxylic acid, or combinations thereof, and(b) from about 75 to about 25 percent by weight of the total of (a) and (b) of a nonpolar rubber containing a copolymer of isobutylene and an alkyl styrene or halogenated copolymers of isobutylene and alkyl styrene.