| 摘要 |
<p>Polyolefin composition (PO) comprising (a) a heterophasic propylene copolymer (HECO) comprising (a1) a polypropylene (PP) being the matrix of the heterophasic propylene copolymer (HECO) and (a2) an elastomeric propylene copolymer (E), said heterophasic propylene copolymer (HECO) has an intrinsic viscosity ratio of the xylene cold soluble (XCS) fraction and xylene cold insoluble (XCI) fraction [(XCS)/(XCI)] equal or below 1.6 and (b) more than 150 to equal or below 800 ppm of a nucleating agent (VP) selected from the group consisting of vinylcycloalkane polymers,vinylalkane polymers and mixtures thereof.</p> |
