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    POLYPROPYLENE FIBER
    11.
    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。

    PROCESS FOR THE PREPARATION OF HIGH PURITY PROPYLENE POLYMERS
    14.
    发明申请
    PROCESS FOR THE PREPARATION OF HIGH PURITY PROPYLENE POLYMERS 审中-公开
    制备高纯丙烯聚合物的方法

    公开(公告)号：US20140235802A1

    公开(公告)日：2014-08-21

    申请号：US14346648

    申请日：2012-09-17

    Applicant: Basell Poliolefine Italia S.r.l.

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

    IPC: C08F10/06

    CPC classification number: C08F10/06 ,  B01J31/0204 ,  B01J31/0209 ,  C08J5/18 ,  C08J2323/14 ,  C08F4/651 ,  C08F4/6543 ,  C08F110/06 ,  C08F2500/04 ,  C08F2500/12 ,  C08F2500/15

    Abstract: A process for the preparation of high purity propylene polymers carried out in the presence of a catalyst comprising the product obtained by contacting: (a) a solid catalyst component comprising Mg, Ti and at least a first internal electron donor compound (HD) selected among the succinates and a second internal electron donor compound (2ID) selected among the 1,3-diethers, wherein the molar ratio of first internal donor over second internal donor 1ID:2ID is comprised between 4:6 and 9:1, with (b) an organo-aluminium compound, and optionally with (c) an external electron donor compound, said process being carried out at a temperature equal or higher than 78° C. and by employing a molar ratio of organo-aluminum compound over solid catalyst component (b):(a) of lower than 5.

    Abstract translation: 一种制备高纯度丙烯聚合物的方法，该催化剂包括通过使（a）包含Mg，Ti和至少第一内电子给体化合物（HD）的固体催化剂组分与 所述琥珀酸盐和选自所述1,3-二醚中的第二内部电子给体化合物（2ID），其中所述第一内给体相对于所述第二内供体1ID：2ID的摩尔比为4：6至9：1，与（b ）有机铝化合物，任选地与（c）外电子给体化合物反应，所述方法在等于或高于78℃的温度下进行，并且通过使用有机铝化合物与固体催化剂组分的摩尔比 （b）:( a）低于5。

    PROCESS FOR THE PREPARATION OF HETEROPHASIC PROPYLENE POLYMER COMPOSITIONS
    20.
    发明申请
    PROCESS FOR THE PREPARATION OF HETEROPHASIC PROPYLENE POLYMER COMPOSITIONS 有权
    制备异构丙烯聚合物组合物的方法

    公开(公告)号：US20140316069A1

    公开(公告)日：2014-10-23

    申请号：US14358753

    申请日：2012-11-07

    Applicant: Basell Poliolefine Italia S.r.l.

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

    IPC: C08L23/12

    CPC classification number: C08L23/12 ,  C08F10/06 ,  C08F4/651 ,  C08F4/6543 ,  C08F2/00 ,  C08F210/16 ,  C08F210/06 ,  C08F2500/11 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/21 ,  C08F2/001 ,  C08F110/06 ,  C08L23/16

    Abstract: A process for the preparation of propylene polymer compositions comprising from 50 to 90% by weight of a propylene (co)polymer fraction insoluble in xylene at 25° C., and from 10 to 50% by weight of an ethylene copolymer fraction soluble in xylene at 25° C., said process comprising: (i) a first step of polymerizing propylene in the optional presence of ethylene and/or C4-C10 alpha olefins, to produce a propylene (co)polymer being for at least 85% by weight insoluble in xylene at 25° C.; and (ii) a successive step, carried out in gas-phase, in the presence of the product coming from step (i), of copolymerizing a mixture of ethylene with one or more α-olefins CH2═CHR in which R is a hydrocarbon radical having 1-10 carbon atoms, to produce an ethylene copolymer; the process being carried out in the presence of a catalyst system comprising: the product obtained by contacting: (a) a solid catalyst component comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two internal electron donor compounds one of which being present in an amount from 35 to 90% by mol with respect to the total amount of donors and being selected from succinates and the other being selected from 1,3-diethers, the total amount of internal electron donor compounds being lower than 14.0% by weight with respect to the total weight of the solid catalyst component; with (b) an aluminum hydrocarbyl compound, and optionally with (c) an external electron donor compound.

    Abstract translation: 一种制备丙烯聚合物组合物的方法，其包含50至90重量％的在25℃下不溶于二甲苯的丙烯（共）聚合物部分和10至50重量％的可溶于二甲苯的乙烯共聚物部分 所述方法包括：（i）在乙烯和/或C 4 -C 10α-烯烃的任选存在下聚合丙烯以产生丙烯（共）聚合物至少85重量％的第一步骤 在25℃不溶于二甲苯。 和（ii）在来自步骤（i）的产物存在下，在气相中进行共聚合乙烯与一种或多种α-烯烃CH 2 = CHR的混合物的连续步骤，其中R是烃 具有1-10个碳原子的基团，以制备乙烯共聚物; 该方法在催化剂体系存在下进行，该催化剂体系包括：通过使（a）包含卤化镁的固体催化剂组分，至少具有Ti-卤素键的钛化合物和至少两个内部电子给体 其中一种相对于供体总量为35至90摩尔％，其中一种选自琥珀酸酯，另一种选自1,3-二醚，内给电子体化合物的总量为 相对于固体催化剂组分的总重量低于14.0重量％ 与（b）铝烃基化合物，和任选与（c）外电子给体化合物。

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