Patent ID: 7148291
Filing Date: 2006-12-12
Classification: C08L

Abstract:
1. A thermoplastic elastomer composition comprising: 2 through 14 mass % of polypropylene (PP); 19 through 35 mass % of poly(1-butene) (PB-1); and 30 through 52 mass % of olefin-based rubber including an ethylene-propylene-diene monomer and an ethylene-octene rubber but not including a polypropylene and having a solubility parameter value of 7.5 through 8.5, wherein a weight ratio of PB-1/(PP+PB-1) is 56 through 90% and a weight ratio of PB-1/(PP+(PB-1)+olefin-based rubber) is 25 through 47%.