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    POLYPROPYLENE COMPOSITIONS
    1.
    发明申请
    POLYPROPYLENE COMPOSITIONS 审中-公开
    聚丙烯组合物

    公开(公告)号：WO2016000910A1

    公开(公告)日：2016-01-07

    申请号：PCT/EP2015/062713

    申请日：2015-06-08

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L. ,  SUNALLOMER LTD.

    Inventor： TSUKAHARA, Takeshi ,  TSURUMI, Nobuyuki ,  KANNO, Shitoshi ,  YAMAMOTO, Kunio ,  NAKAJIMA, Takeshi

    IPC: C08F2/00 ,  C08L23/12

    CPC classification number: C08L23/12 ,  C08F2/001 ,  C08K3/24 ,  C08K5/0083 ,  C08K5/053 ,  C08K5/521 ,  C08L23/16 ,  C08L2205/02 ,  C08L2205/24 ,  C08L2207/02 ,  C08L2314/02

    Abstract: The invention relates to a heterophasic polypropylene compositions comprising 68-76 % by weight of a propylene homopolymer or copolymer matrix, 24-32 % by weight of an ethylene-propylene copolymer and a nucleating agent. The composition has an intrinsic viscosity of the xylene soluble fraction at room temperature up to 1.3 dl/g and a melt flow rate (230 °C, 2.16 kg) of 30 to 70 g/10 min. The compositions disclosed herein can be used to prepare molded articles, particularly by thin wall injection molding, that are endowed with excellent impact behaviour.

    Abstract translation: 本发明涉及包含68-76重量％的丙烯均聚物或共聚物基质，24-32重量％的乙烯 - 丙烯共聚物和成核剂的多相聚丙烯组合物。 该组合物在室温下的二甲苯可溶级分的特性粘度高达1.3dl / g，熔体流动速率（230℃，2.16kg）为30-70g / 10min。 本文公开的组合物可用于制备具有优异冲击性能的模制品，特别是通过薄壁注射成型。

    POLYPROPYLENE COMPOSITION AND MOLDED ARTICLE
    2.
    发明申请
    POLYPROPYLENE COMPOSITION AND MOLDED ARTICLE 审中-公开

    公开(公告)号：WO2019177180A8

    公开(公告)日：2019-09-19

    申请号：PCT/JP2019/012288

    申请日：2019-03-15

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： TSUKAHARA, Takeshi ,  TSURUMI, Nobuyuki ,  KANNO, Shitoshi ,  YAMAMOTO, Kunio ,  NAKAJIMA, Takeshi

    IPC: C08F210/06 ,  C08F210/16

    Abstract: The present invention provides a polypropylene composition having an excellent balance between transparency and flexibility. A polypropylene composition comprising: as component (1), a propylene/ethylene copolymer containing 2 to 4% by weight of an ethylene-derived unit; and as component (2), an ethylene/propylene copolymer containing 65 to 87% by weight of an ethylene-derived unit; wherein the polypropylene composition satisfies the following requirements: 1) the weight ratio of component (1) to component (2) is in the range of 65:35 to 77:23, 2) the intrinsic viscosity of xylene solubles (XSIV) of the composition is in the range of 0.8 to 1.4 dl/g, 3) the MFR (at 230°C under a load of 2.16 kg) of the composition is in the range of 15 to 40 g/10 min., 4) no crystal nucleating agent is contained.

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