Patent ID: 6166134
Filing Date: 2000-12-26
Classification: C08L

Abstract:
A polypropylene resin composition comprising(a) 55 to 87% by weight of a propylene-ethylene block copolymer having a melt flow rate of at least 50 g/10 minutes; and(b) 3 to 20% by weight of an impact modifier which is comprised of at least 50% by weight of a hydrogenated block copolymer having a number average molecular weight from 50,000 and 150,000, containing 15 to 25% by weight of an vinyl aromatic hydrocarbon, and having the structure A-B-(A/B) wherein A is a vinyl aromatic hydrocarbon homopolymer, B is an isoprene homopolymer, and (A/B) is a block of a tapered isoprene-vinyl aromatic hydrocarbon copolymer, and the balance an olefinic rubber; and(c) 10 to 25% by weight of talc.