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    HDPE-CONTAINING IMPACT MODIFIER POLYOLEFIN COMPOSITION
    3.
    发明申请
    HDPE-CONTAINING IMPACT MODIFIER POLYOLEFIN COMPOSITION 审中-公开
    含HDPE的冲击改性剂聚烯烃组合物

    公开(公告)号：WO2016207235A1

    公开(公告)日：2016-12-29

    申请号：PCT/EP2016/064450

    申请日：2016-06-22

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： CAVALIERI, Claudio ,  GRAZZI, Michele ,  PANTALEONI, Roberto

    IPC: C08L23/12 ,  C08L23/16

    CPC classification number: C08L23/16 ,  C08F210/16 ,  C08L23/12 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2205/035 ,  C08L2308/00 ,  C08L2310/00 ,  C08L2314/02 ,  C08L23/06 ,  C08F110/06 ,  C08F4/6492 ,  C08F2/001 ,  C08F210/06 ,  C08F2500/08 ,  C08F2500/12 ,  C08F2500/17

    Abstract: Polyolefin compositions comprising: (A) 5-35% by weight of a propylene-based polymer containing 90% by weight or more of propylene units and containing 10% by weight or less of a fraction soluble in xylene at 25°C (XS A ); (B) 25-50% by weight, of an ethylene homopolymer containing 5% by weight or less of a fraction soluble in xylene at 25°C (XS B ) referred to the weight of (B); and (C) 30-60% by weight, of a copolymer of ethylene and propylene containing from 25% to 75% by weight of ethylene units and containing from 55% to 95% by weight, of a fraction soluble in xylene at 25°C (XS C ). The composition has 20% by weight or less of a fraction obtained in the second fractionation step in a preparative fractionation method.

    Abstract translation: 聚烯烃组合物，其包含：（A）5-35重量％的含有90重量％以上丙烯单元并含有10重量％以下的在25℃下可溶于二甲苯的馏分（XSA）的丙烯类聚合物， ; （B）25-50重量％的以25重量％（XSB）表示的可溶于二甲苯的馏分的5重量％以下的乙烯均聚物（B）的重量; 和（C）30-60重量％的乙烯和丙烯的共聚物，其含有25重量％至75重量％的乙烯单元，并且含有55重量％至95重量％的在25℃下可溶于二甲苯的馏分 C（XSC）。 该组合物在制备分馏方法中，在第二分馏步骤中得到的馏分的重量比为20重量％以下。

    POLYOLEFIN COMPOSITION FOR ROOFING APPLICATIONS
    4.
    发明申请
    POLYOLEFIN COMPOSITION FOR ROOFING APPLICATIONS 审中-公开

    公开(公告)号：WO2022017758A1

    公开(公告)日：2022-01-27

    申请号：PCT/EP2021/068172

    申请日：2021-07-01

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： GRAZZI, Michele ,  CAVALIERI, Claudio

    IPC: B32B27/08 ,  B32B27/32 ,  B32B5/02 ,  C08J5/18 ,  C08L23/16 ,  E04D5/10

    Abstract: A soft polyolefin composition comprising for producing sheets or membranes, the polyolefin composition comprising: (A) 18-35% by weight of a copolymer of propylene with at least one alpha-olefin, wherein the copolymer contains 2.0-4.0% by weight of alpha-olefin, the amount of alpha-olefin is based on the weight of (A) and has melt flow rate (MFRA) ranging from 30 to 60 g/10min; and (B) 65-82% by weight of a copolymer of propylene with at least one alpha-olefin, and optionally a diene, the copolymer comprising 20-35% by weight of alpha-olefin, the amount of alpha olefin being based on the weight of (B), wherein - the polyolefin composition comprises a fraction that is soluble in xylene at 25°C (XS(tot)) in an amount higher than 70% by weight; - the amounts of (A), (B) and of the fraction soluble in xylene at 25°C (XS(tot)) are based on the total weight of the polyolefin composition; and - the melt flow rate (MFR) of the polyolefin composition ranges from 0.2 to 2.0 g/10 min.

    POLYMER COMPOSITION FOR BUMPERS AND INTERIORS AND POLYETHYLENE-BASED RESIN PRECURSOR
    7.
    发明申请
    POLYMER COMPOSITION FOR BUMPERS AND INTERIORS AND POLYETHYLENE-BASED RESIN PRECURSOR 审中-公开
    用于缓冲和内部聚合物和聚乙烯基树脂前体的聚合物组合物

    公开(公告)号：WO2013068274A1

    公开(公告)日：2013-05-16

    申请号：PCT/EP2012/071444

    申请日：2012-10-30

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： FANTINEL, Fabiana ,  WILLEMS, Sander ,  GRAZZI, Michele ,  PELLEGATTI, Giampaolo ,  ROHRMANN, Jürgen ,  MIHAN, Shahram

    IPC: C08L23/06 ,  C08L23/10 ,  C08L23/12

    CPC classification number: C08L23/12 ,  C08L23/06 ,  C08L23/0807 ,  C08L23/10 ,  C08L23/16 ,  C08L2205/02 ,  C08L23/0815 ,  C08L23/142

    Abstract: Polyolefin compositions suitable for injection molded items e.g. for impact bumpers and car interiors comprising from 30% to 90% by weight of an heterophasic propylene polymer composition (A); and from 10% to 70% by weight of a multimodal ethylene/butene- 1 copolymer (B); having density from 0.850 to 0.935 g/cm 3 , total comonomer content from 6% to 30% by weight, Mw/Mn from 4 to 20; intrinsic viscosity in decalin at 135°C from 1.0 to 4.0 dL/g, and comprising an HDPE fraction (HDPE %wt) up to 30%wt; further comprising from 0 to 50 % by weight of a filler (C) and optionally, in amount up to 10% by weight with respect to the overall composition, an impact modifier masterbatch component D consisting of an ultra-soft heterophasic copolymer component.

    Abstract translation: 适用于注射成型物品的聚烯烃组合物 用于冲击保险杠和汽车内饰，其包含按重量计30％至90％的异相丙烯聚合物组合物（A）; 和10重量％至70重量％的多峰乙烯/丁烯-1共聚物（B）; 密度为0.850-0.935g / cm3，总共聚单体含量为6〜30重量％，Mw / Mn为4〜20; 十氢萘在135℃下的特性粘度为1.0至4.0dL / g，并且包含高达30％wt的HDPE级分（HDPE％wt）; 进一步包含0至50重量％的填料（C），并且任选地，相对于整个组合物，其量为至多10重量％，由超软多相共聚物组分组成的抗冲改性剂母料组分D。

    PERMEABLE POLYMER FILM
    8.
    发明申请
    PERMEABLE POLYMER FILM 审中-公开
    透明聚合物薄膜

    公开(公告)号：WO2012076633A1

    公开(公告)日：2012-06-14

    申请号：PCT/EP2011/072144

    申请日：2011-12-08

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L. ,  GRAZZI, Michele ,  FELISATI, Andrea ,  PELLEGATTI, Giampaolo

    Inventor： GRAZZI, Michele ,  FELISATI, Andrea ,  PELLEGATTI, Giampaolo

    IPC: B32B27/32 ,  C08L23/14

    CPC classification number: B65D81/28 ,  B32B27/08 ,  B32B27/32 ,  B32B2270/00 ,  B32B2307/30 ,  B32B2307/732 ,  C08L23/142 ,  C08L2203/16 ,  Y10T428/31917 ,  C08L23/16

    Abstract: Films especially suitable for the packaging of fresh foodstuff, like salad and vegetables, due to their valuable balance of high permeability to oxygen and optimal permeability to water vapour, comprising at least one layer A) and at least one layer B), wherein the layer A) comprises a copolymer of propylene with hexene-1 containing from 3 to 9% by weight of recurring units derived from hexene-1, said copolymer having a melting temperature from 125°C to 143°C, and the layer B) comprises a polyolefin composition containing (all percentages being by weight): a) 10-40% of one or more propylene homopolymers or copolymers containing over 85% of propylene and having a fraction insoluble in xylene at room temperature greater than 80%; and b) 60-90 of one or more copolymers of ethylene with α-olefin(s), containing ethylene in a quantity from 20 to 80%, and having solubility in xylene at room temperature greater than 70%.

    Abstract translation: 由于其对氧的高渗透性和对水蒸气的最佳渗透性的有价​​值的平衡，包括至少一层A）和至少一层B），特别适用于新鲜食品（如沙拉和蔬菜）的包装的薄膜，其中层 A）包含丙烯与己烯-1的共聚物，其含有3至9重量％的衍生自己烯-1的重复单元，所述共聚物的熔融温度为125℃至143℃，并且B层包括 含有（所有百分比均为重量百分比）的聚烯烃组合物：a）10-40％的一种或多种丙烯均聚物或共聚物，其含有超过85％的丙烯并且在室温下不溶于二甲苯的级分大于80％; 和b）60-90的乙烯与α-烯烃的一种或多种共聚物，其含有量为20至80％的乙烯，并且在室温下在二甲苯中的溶解度大于70％。

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