| abstract |
A propylene resin composition having excellentnphysical property balance (heat resistance and impactnstrength at low temperature), and excellent injectionnmolding processability as well as excellent paintabilitynis provided, which propylene resin composition comprisesncomponent (a): a propylene-ethylene block copolymerncomprising 85 - 95% by weight of a crystallinenpolypropylene homopolymer portion (unit A) and 5 - 15% bynweight of an ethylene-propylene random copolymer portionn(unit B) having an ethylene content of 30 - 60% by weight,nthe melt flow rate of the total component (a) being 50 -n500 g/10 min in an amount of 100 parts by weight, componentn(b): talc having an average particle diameter of 1.5 - 10nµm and an average aspect ratio of 4 or more in an amountnof 10 - 60 parts by weight, and component (c): an ethylene-1-octenencopolymer comprising 20 - 50% by weight of 1-octene,nand having a density of 0.86 - 0.89 g/cm 3 and antensile strength at break of 10 MPa or more in an amountnof 10 - 60 parts by weight. |