Patent ID: 6340531
Filing Date: 2002-01-22
Classification: B32B,Y10T

Abstract:
An interior trim material for automotive use, obtained by successive injection molding, comprising:(I) a surface layer formed of a composition comprising a mixture of: (A) a partially crosslinked thermoplastic elastomer comprising (a) 10 to 30 parts by weight of a polypropylene resin and (b) 90 to 70 parts by weight of an &agr;-olefin copolymer rubber per 100 parts by weight of the total of (a) and (b), and (B) a polybutene-1 resin, said polybutene-1 resin being added after the formation of the partially crosslinked thermoplastic elastomer, wherein the proportion of (A) the thermoplastic elastomer and (B) the polybutene-1 resin are 95 to 65 parts by weight and 5 to 35 parts by weight, respectively, per 100 parts by weight of the total of (A) and (B), and (II) a base layer formed of a polypropylene resin or a composition of a polypropylene resin and an inorganic filler.