Patent ID: 7244783

Claim:
A thermoplastic elastomer composition comprised of (a) about 1 weight percent to about 30 weight percent of a thermoplastic resin selected from the group consisting of polyphenylene ether, polypropylene, polyethylene, and polystyrene, (b) about 5 weight percent to about 60 weight percent of a block copolymer selected from the group consisting of styrene-ethylene butylene-styrene, styrene-ethylene propylene-styrene, hydrogenated polybutadiene, hydrogenated polyisoprene, hydrogenated styrene-isoprene random copolymer, styrene-ethylene propylene block copolymer, styrene-ethylene ethylene propylene-styrene and hydrogenated styrene-butadiene copolymers, (c) about 5 weight percent to about 60 weight percent of a core-shell polymer comprised of a polymeric core and a polymeric shell, wherein the polymeric core is comprised of about 70 weight percent to about 85 weight percent of a vinyl aromatic monomer and about 15 weight percent to about 30 weight percent of a crosslinking monomer, and (d) about 5 weight percent to about 40 weight percent of an oil.