Patent ID: 7470727
Filing Date: 2008-12-30
Classification: C08F,C08J,C08K,C08L

Abstract:
1. A polypropylene resin composition comprising (A) 99.8 to 80 weight parts of a polypropylene resin having a melt flow rate of 0.1 to 50 g/10 min measured at 230° C. under a load of 2.16 kg; and (B) 0.2 to 20 weight parts of at least one polyolefin selected from the group consisting of an olefin copolymer rubber having an intrinsic viscosity [η] of 0.5 to 4.0 dl/g, a polyethylene resin having a density of 0.895 to 0.945 g/cc and a melt flow rate of 0.05 to 15 g/10 min measured at 190° C. under a load of 2.16 kg, and mixtures thereof, wherein (A) and (B) of the polypropylene resin composition totals 100 weight parts and has undergone at least one ionization ray-irradiation treatment process, and then melting said polypropylene resin composition.