Patent ID: 7381771

Claim:
An adhesive composition comprising (a) from 50 to 75 weight percent of a thermoplastic elastomer comprising a blend of a polypropylene and dynamically vulcanized ethylene-propylene-nonconjugated diene terpolymer rubber, and (b) from 25 to 50 weight percent of a block copolymer comprising rigid blocks of styrene and non-rigid blocks of 1,3-butadiene and styrene containing at least the block structure styrene-1,3-butadiene/styrene-styrene, wherein the 1,3-butadiene content is less than 40 weight percent of the total block copolymer and the non-rigid blocks amount to at least 50 weight percent of the total block copolymer, based on the total weight of (a)+(b) and wherein the composition exhibits a tensile set according to ASTM D412 of 11% or less.