PROCESS FOR THE PREPARATION OF CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS

    公开(公告)号:WO2019052900A1

    公开(公告)日:2019-03-21

    申请号:PCT/EP2018/074086

    申请日:2018-09-07

    Abstract: A process for the preparation of a solid catalyst component for the (co)polymerization of CH 2 =CHR olefins, in which R is hydrogen or hydrocarbyl radical with 1-12 carbon atoms, comprising a Ti compound and optionally an electron donor on a Mg chloride based support, said process comprising one or more steps (a) carried out at a temperature ranging from 0 to 150°C in which a Mg based compound of formula (MgCl m X 2-m )•nLB, in which m ranges from 0 to 2, n ranges from 0 to 6, X is, independently R 1 , OR 1 , -OCOR 1 or O-C(O)-OR 1 group, in which R 1 is a C 1 -C 20 hydrocarbon group, and LB is a Lewis base, is reacted with a liquid medium comprising a Ti compound, having at least a Ti-Cl bond, in an amount such that the Ti/Mg molar ratio is greater than 3 and at least one step (b) in which the solid particles coming from (a) are suspended in a liquid medium comprising hydrocarbons at a temperature ranging from 10 to 100°C, said process being characterized by the fact that at least one of said steps (a) and/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 SiO 2 units, is disclosed.

    AUTOMOTIVE INTERIOR ELEMENT
    14.
    发明申请
    AUTOMOTIVE INTERIOR ELEMENT 审中-公开
    汽车内部元件

    公开(公告)号:WO2012049204A1

    公开(公告)日:2012-04-19

    申请号:PCT/EP2011/067793

    申请日:2011-10-12

    Abstract: Automotive interior element comprising a polypropylene composition comprising (percent by weight): A) from 60% to 90% of a propylene homopolymer having: i) a polydispersity Index (P.I.) value of from 3.5 to 10.0; ii) a fraction insoluble in xylene at 25 °C, higher than 90 %; and iii) a MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230°C and 2.16 kg load) from 50 to 200 g/10 min; B) from 10% to 40%; of a copolymer of propylene with from 30% to 60% of ethylene derived units; the composition having an intrinsic viscosity of the fraction soluble in xylene at 25 °C comprised between 2.5 and 4.0 dl/g; a MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230°C and 2.16 kg load) from 15 to 100 g/10 min and all the three values of carbon emission measured according to VDA 227 (C-emission) are lower than 30.0 μgC/g; wherein the values of carbon emission are measured in the ex reactor propylene composition.

    Abstract translation: 包含(重量%)的聚丙烯组合物的汽车内部元件:A)60%至90%的丙烯均聚物,其具有:i)多分散指数(P.I.)值为3.5至10.0; ii)25℃不溶于二甲苯的馏分,高于90%; 和iii)50至200g / 10min的MFR L(根据ISO 1133的熔体流动速率,条件L,即230℃和2.16kg负荷); B)从10%到40%; 的丙烯与30%至60%的乙烯衍生单元的共聚物; 所述组合物的特性粘度在25℃下可溶于二甲苯的馏分的特性粘度为2.5至4.0dl / g; MFR L(根据ISO 1133的熔体流动速率,条件L,即230℃和2.16kg负荷)为15至100g / 10分钟,并且根据VDA 227(C-emission)测量的所有三个碳排放值, 低于30.0μgC/ g; 其中在前反应器丙烯组合物中测量碳排放值。

    PROCESS FOR THE PREPARATION OF IMPACT RESISTANT PROPYLENE POLYMER COMPOSITIONS
    15.
    发明申请
    PROCESS FOR THE PREPARATION OF IMPACT RESISTANT PROPYLENE POLYMER COMPOSITIONS 审中-公开
    制备抗冲击丙烯聚合物组合物的方法

    公开(公告)号:WO2010146074A1

    公开(公告)日:2010-12-23

    申请号:PCT/EP2010/058437

    申请日:2010-06-16

    Abstract: A process for the preparation of propylene polymer compositions carried out in the presence of a catalyst system comprising (a) a solid catalyst component having average particle size ranging from 15 to 80 μm 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 50 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 alkyl and optionally (c) an external electron donor compound, and comprising the following steps: (i) contacting the catalyst components (a), (b) and optionally (c); (ii) pre -polymerizing up to forming amounts of polymer from about 0.1 up to about 1000 g per gram of solid catalyst component (a); (iii)polymerizing propylene producing a propylene (co)polymer being for at least 85% by weight of insoluble in xylene at 25°C and (iv)in a successive step, carried out in gas-phase, polymerizing mixtures of ethylene with α-olefϊns CH 2 =CHR in which R is a hydrocarbon radical having 1-10 carbon atoms, to produce the said ethylene copolymer.

    Abstract translation: 一种制备丙烯聚合物组合物的方法,所述组合物在催化剂体系存在下进行,所述催化剂体系包含(a)平均粒度为15-80μm的固体催化剂组分,其包含卤化镁,至少具有Ti- 卤素键和至少两种电子给体化合物,其中一种以相对于供体总量为50-90%摩尔量存在,选自琥珀酸盐,另一种选自1,3-二醚,(b) 烷基铝和任选的(c)外电子给体化合物,并包括以下步骤:(i)使催化剂组分(a),(b)和任选的(c)接触; (ii)预聚合至每克固体催化剂组分(a)约0.1至约1000g的聚合物的形成量; (iii)聚合产生丙烯(共)聚合物的丙烯,其在25℃下为不溶于二甲苯的至少85重量%,和(iv)在连续步骤中,在气相中进行乙烯与乙烯的聚合混合物 烯基-CH 2 = CHR,其中R是具有1-10个碳原子的烃基,以制备所述乙烯共聚物。

    PROCESS FOR THE PREPARATION OF HIGH PURITY PROPYLENE POLYMERS
    17.
    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:WO2013041470A1

    公开(公告)日:2013-03-28

    申请号:PCT/EP2012/068195

    申请日:2012-09-17

    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 (1ID) 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 than78°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,该催化剂在催化剂存在下进行,所述催化剂包括通过使(a)包含Mg,Ti和至少第一内电子给体化合物(1ID)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 )有机铝化合物和任选与(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(b ):( a)低于5。

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