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    MULTISTAGE PROCESS FOR THE POLYMERIZATION OF ETHYLENE
    14.
    发明申请
    MULTISTAGE PROCESS FOR THE POLYMERIZATION OF ETHYLENE 有权
    乙烯聚合的多级方法

    公开(公告)号：US20150353655A1

    公开(公告)日：2015-12-10

    申请号：US14653961

    申请日：2013-12-10

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： Andreas Maus ,  Gerhardus Meier ,  Gianni Collina ,  Diego Brita

    IPC: C08F110/02

    CPC classification number: C08F110/02 ,  C08F2/14 ,  C08F10/02 ,  C08F2/001 ,  C08F2500/07 ,  C08F2500/12 ,  C08F2500/14

    Abstract: The present invention relates to a slurry process for preparing an ethylene polymer having a melt flow ratio F/P, which is the ratio among the melt index value measured according to ASTM 1238 condition “F” and the melt index value measured according to ASTM 1238 condition “P” of equal to or lower than 27, carried out in two or more stages of polymerization at temperatures in the range from 60 to 120° C., in which at least two of the said two or more polymerization stages are carried out under different amounts of molecular weight regulator, said process being carried out in the presence of (A) a solid catalyst component comprising Ti, Mg, halogen, having a porosity (PF), measured by the mercury method and due to pores with radius equal to, or lower than, 1 μm, of at least 0.3 cm3/g and a surface area determined by BET method, of lower than 100 m2/g, and being further characterized by the fact that more than 50% of the titanium atoms are in a valence state lower than 4 and (B) of an organoaluminum compound.

    Abstract translation: 本发明涉及一种用于制备熔体流动比F / P的乙烯聚合物的浆料方法，其是根据ASTM 1238条件“F”测量的熔体指数与根据ASTM 1238测量的熔体指数之间的比率 条件“P”等于或低于27，在60至120℃的温度下在两个或更多个聚合阶段进行，其中至少两个所述两个或更多个聚合阶段被执行 在不同量的分子量调节剂下，所述方法在（A）包含通过汞法测量的具有孔隙率（PF）的Ti，Mg，卤素的固体催化剂组分的存在下进行，并且由于具有半径相等的孔 至少为0.3cm 3 / g，BET法测定的表面积低于100m2 / g，进一步的特征在于，超过50％的钛原子为 在低于4的价态下，（B） 的有机铝化合物。

    PROCESS FOR THE PREPARATION OF PROPYLENE RANDOM COPOLYMERS
    16.
    发明申请
    PROCESS FOR THE PREPARATION OF PROPYLENE RANDOM COPOLYMERS 审中-公开
    制备丙烯随机共聚物的方法

    公开(公告)号：US20150284488A1

    公开(公告)日：2015-10-08

    申请号：US14436412

    申请日：2013-10-03

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： Monica Galvan ,  Andreas Neumann ,  Tiziana Caputo ,  Stefano Squarzoni ,  Antonio Mazzucco ,  Ofelia Fusco ,  Benedetta Gaddi ,  Gianni Collina

    IPC: C08F210/06

    CPC classification number: C08F210/06 ,  C08F4/651 ,  C08F210/16 ,  C08F2500/03 ,  C08F2500/26

    Abstract: A process for the preparation of random copolymer of propylene containing up to 6.0% by weight of ethylene units, suitable for the manufacture of pipes, by copolymerizing propylene and ethylene in the presence of a catalyst system comprising the product obtained by contacting the following components:(a) a solid catalyst component comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being present in an amount from 40 to 90% by mol with respect to the total amount of donors and selected from succinates and the other being selected from 1,3 diethers,(b) an aluminum hydrocarbyl compound, and(c) optionally an external electron donor compound.

    Abstract translation: 一种制备含有至多6.0重量％乙烯单元的丙烯无规共聚物的方法，该乙烯单元通过在包含通过接触以下组分获得的产物的催化剂体系存在下共聚丙烯和乙烯来制备管道： （a）固体催化剂组分，其包含卤化镁，至少具有Ti-卤素键的钛化合物和至少两种电子给体化合物，其中一种以相对于总量为40至90摩尔％的量存在 选自琥珀酸盐，另一种选自1,3-二醚，（b）铝烃基化合物，和（c）任选的外电子给体化合物。

    POLYPROPYLENE FIBER
    17.
    发明申请
    POLYPROPYLENE FIBER 审中-公开
    聚丙烯纤维

    公开(公告)号：US20150191852A1

    公开(公告)日：2015-07-09

    申请号：US14408023

    申请日：2013-06-13

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： Monica Galvan ,  Andreas Neumann ,  Roberto Pantaleoni ,  Antonio Mazzucco ,  Ofelia Fusco ,  Benedetta Gaddi ,  Gianni Collina

    IPC: D01F6/06 ,  D04H3/016 ,  D04H3/007 ,  B29C47/00 ,  D04H3/16

    Abstract: Fibers comprising a polypropylene obtainable by a process comprising the steps of: (i) polymerizing propylene in the presence of a catalyst system comprising the product obtained by contacting the following components: (a) a solid catalyst component comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being present in an amount from 40 to 90% by mol with respect to the total amount of donors and selected from succinates and the other being selected from 1,3 diethers, (b) an aluminum hydrocarbyl compound, and (c) optionally an external electron donor compound, to obtain a polypropylene precursor having a melt flow rate MFR1; (ii) subjecting the thus-obtained polypropylene precursor to visbreaking to obtain a visbroken polypropylene having a melt flow rate MFR2; (iii) spinning the visbroken polypropylene obtained in the previous step; wherein MFR2 is comprised between from 15 to 40 g/10 min, the ratio MFR2/MFR1 is comprised between 8 and 18, both MFR1 and MFR2 being measured according to ISO method 1133 (230° C., 2.16 kg).

    Abstract translation: 包含聚丙烯的纤维包括以下步骤：（i）在催化剂体系存在下聚合丙烯，所述催化剂体系包含通过使以下组分接触获得的产物：（a）固体催化剂组分，其包含卤化镁，钛化合物 具有至少一个Ti-卤素键和至少两个电子给体化合物，其中一种以相对于供体总量为40-90％摩尔量存在，选自琥珀酸盐，另一种选自1， 3个二醚，（b）铝烃基化合物和（c）任选的外电子给体化合物，得到熔体流动速率MFR 1的聚丙烯前体; （ii）将由此获得的聚丙烯前体进行减粘裂化以得到熔体流动速率MFR 2的减粘裂化聚丙烯; （iii）纺丝上一步获得的耐磨破坏聚丙烯; 其中MFR 2在15至40g / 10min之间，MFR 2 / MFR 1的比率在8和18之间，MFR 1和MFR 2均根据ISO方法1133（230℃，2.16kg）测量。

    PRE-POLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS
    18.
    发明申请
    PRE-POLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS 有权
    用于烯烃聚合的预聚合催化剂组分

    公开(公告)号：US20140316083A1

    公开(公告)日：2014-10-23

    申请号：US14365357

    申请日：2012-12-11

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： Diego Brita ,  Gianni Collina ,  Giampiero Morini

    IPC: C08F10/02

    CPC classification number: C08F10/02 ,  C08F10/00 ,  C08F4/6492 ,  C08F110/06 ,  C08F4/651

    Abstract: A pre-polymerized catalyst component for the polymerization of olefins endowed with high activity and morphological stability comprises a non-stereospecific solid catalyst component containing Ti, Mg and a halogen, and an amount of an ethylene/alpha-olefin block (co)polymer ranging from 0.1 up to 5 g per g of said solid catalyst component, said prepolymerized catalyst component being characterized by a mercury porosity, due to pores having radius up to 1 μm, ranging from 0.15 to 0.5 cm3/g and by the fact that at least 55% of said porosity is due to pores having pore radius up to 0.2 μm.

    Abstract translation: 用于聚合具有高活性和形态稳定性的烯烃聚合的预聚合催化剂组分包括含有Ti，Mg和卤素的非立体特异性固体催化剂组分和一定量的乙烯/α-烯烃嵌段（共）聚合物范围 0.1至5g / g所述固体催化剂组分，所述预聚催化剂组分的特征在于水银孔隙率，由于孔径半径为1μm，范围为0.15至0.5cm 3 / g，并且至少 所述孔隙率的55％是由于孔半径高达0.2μm的孔。

    MAGNESIUM DICHLORIDE-ETHANOL ADDUCTS AND CATALYST COMPONENTS OBTAINED THEREFROM
    19.
    发明申请
    MAGNESIUM DICHLORIDE-ETHANOL ADDUCTS AND CATALYST COMPONENTS OBTAINED THEREFROM 有权
    二氯二苯醚 - 乙醇添加剂和催化剂组分

    公开(公告)号：US20140171604A1

    公开(公告)日：2014-06-19

    申请号：US14236486

    申请日：2012-08-01

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： Daniele Evangelisti ,  Benedetta Gaddi ,  Gianni Collina

    IPC: C08F4/649

    CPC classification number: C08F4/6494 ,  C08F10/00 ,  C08F4/6545 ,  C08F4/651 ,  C08F110/06 ,  C08F2500/17

    Abstract: Solid adducts comprising MgCl2 and an alcohol ROH in which R is a C1-C20 hydrocarbon group, in which the amount of alcohol ranges from higher than 42% to 60% by weight and the porosity determined with Hg method due to pores up to 1 μm and expressed in cm3/g, is such that the value of its ratio with the amount of alcohol in percentage falls above the straight line defined by the equation y=−0.0158x+1.03 in which y is the porosity of the adduct and x is the alcohol percentage by weight.

    Abstract translation: 包含MgCl 2和醇ROH的固体加合物，其中R是C1-C20烃基，其中醇的含量范围高于42％至60％（重量），并且由于孔高达1μm而用Hg法测定的孔隙率 以cm 3 / g表示，其与醇的比例的比值的值落在由等式y = -0.0158x + 1.03定义的直线之上，其中y是加合物的孔隙率，x是 酒精重量百分比。

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