CRYSTALLINE POLYPROPYLENE AND MOLDED OBJECT AND FILM THEREOF
摘要
A crystalline polypropylene satisfying the following relationship of formula (1) alpha </=-0.42xln(Mp)+7.3 (wherein alpha is the 0 DEG C soluble content (wt.%) as determined by the temperature-rising fractionation method and Mp is the molecular weight corresponding to the peak of a molecular weight distribution curve determined by GPC) and satisfying the following relationship of formula (2) Tm>1.85xln(Mp)+144.5 (wherein Tm is the melting point ( DEG C) as determined with a differential scanning calorimeter and Mp is the same as the above); and a molding and a film both obtained by molding the crystalline polypropylene. The crystalline polypropylene is excellent in rigidity, heat resistance, and marring resistance.
