PROCESS FOR THE PREPARATION OF HIGH PURITY PROPYLENE POLYMERS
    22.
    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。

    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
    30.
    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。

Patent Agency Ranking