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    PROCESS FOR THE PREPARATION OF HETEROPHASIC PROPYLENE POLYMER COMPOSITIONS
    6.
    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。

    PROCESS FOR THE PREPARATION OF HIGH PURITY PROPYLENE POLYMERS
    8.
    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 catalyst components for the polymerization of olefins
    9.
    发明授权
    Process for the preparation of catalyst components for the polymerization of olefins 有权

    公开(公告)号：US11267907B2

    公开(公告)日：2022-03-08

    申请号：US16647766

    申请日：2018-09-07

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： Diego Brita ,  Nicolo Arich De Finetti ,  Ofelia Fusco ,  Benedetta Gaddi

    IPC: C08F4/654 ,  C08F4/655 ,  C08F10/06 ,  C08F4/659

    Abstract: A process for the preparation of a solid catalyst component for the polymerization of CH2═CHR olefins, wherein R is hydrogen or hydrocarbyl radical with 1-12 carbon atoms, made from or containing a Ti compound on a Mg chloride based support, including the steps of (a) reacting a Mg based compound with a liquid medium made from or containing a Ti compound, at a temperature ranging from 0 to 150° C., thereby yielding solid particles; and (b) suspending the solid particles coming from step (a) in a liquid medium made from or containing hydrocarbons at a temperature ranging from 10 to 100° C., wherein step (a) or (b) is carried out in the presence of 0.2 to 20.0% by weight, with respect to the amount of Mg compound, of particles of a solid compound containing more than 50% by weight of SiO2 units and having average particle size from 1 to 100 μm.

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