| 摘要 |
PURPOSE: To obtain a polypropylene resin composition having excellent low- temperature impact resistance as well as high rigidity and used as a material for an industrial member of an excellent balance among properties. CONSTITUTION: This polypropylene resin composition comprises 50-95wt.% polypropylene (A), 1-25wt.% saturated triblock styrene copolymer (B) composed of two terminal blocks each of which comprises a polystyrene and a central block comprising an ethylene/α-olefin structure, and 1-35wt.% polypropylene oxide (C), wherein the content of the polystyrene blocks of component B is 80wt.% or below, and the total weight of the rubber component in component A, components B and C is 3-50wt.% based on the resin composition.
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