| 摘要 |
Polypropylene composition comprising a polypropylene and an alpha-nucleating agent, wherein the polypropylene composition has .a comonomer content of equal or below 1.0 wt.-%, .<2,1> erythro regiodefects of more than 0.1 mol.-%, and .at least 9.0 wt-% of a crystalline fraction crystallizing in the temperature range of above 160 to 170° C., wherein said fraction is determined by the stepwise isothermal segregation technique (SIST).
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