| 摘要 |
PURPOSE:To obtain the title composition which provides molded articles having extremely excellent transparency, rigidity and durability and has wide molecular weight distribution and extremely high stereoregularity by blending a specific polypropylene with crystalline non-straight chain olefin polymer. CONSTITUTION:(A) A polypropylene having 0.1-100 melt flow rate(MFR), 0.990 isotactic pentad fraction and 7-30 weight-average molecular weight/number- average molecular weight is blended with (B) 0.1-wt.ppm-2wt.% crystalline non-straight chain olefin polymer, preferably a polymer obtained by polymerizing a saturated ring-containing hydrocarbon monomer shown by the formula [R1 is (silicon-containing) 3-18C saturated ring-containing hydrocarbon having saturated ring structure of (silicon-containing) hydrocarbon] and the total amounts are made 100wt.% to give the objective propylene composition. |
