PRE-POLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS
    11.
    发明申请
    PRE-POLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS 审中-公开
    用于烯烃聚合的预聚合催化剂组分

    公开(公告)号:WO2013092282A1

    公开(公告)日:2013-06-27

    申请号:PCT/EP2012/075006

    申请日:2012-12-11

    CPC classification number: C08F210/02 C08F10/00 C08F4/6492

    Abstract: A pre-polymerized catalyst component for the polymerization of olefins endowed with high activity and morphological stability comprises (i) a non-stereospecific solid catalyst component comprising Ti, Mg and a halogen and having a porosity, due to pores with radius up to 1 μm, ranging from 0.2 to 0.8 cm 3 /g and (ii) an amount of an ethylene/alpha-olefm block (co)polymer ranging from 0.1 up to 5g per g of said solid catalyst component (i), said pre-polymerized catalyst component being characterized by a mercury porosity due to pores up to 1 μm of less than 70% the mercury porosity value of the said non-stereospecific solid catalyst component (i).

    Abstract translation: 用于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(i)包含Ti,Mg和卤素并具有孔隙率的非立体特异性固体催化剂组分,由于半径达1um的孔 ,范围为0.2至0.8cm 3 / g,和(ii)每克所述固体催化剂组分(i)为0.1至5g的乙烯/α-烯烃嵌段(共)聚合物的量,所述预聚合催化剂组分 其特征在于由于所述非立体特异性固体催化剂组分(i)的汞孔隙度值小于70%的孔,高达1um的汞孔隙度。

    PRE-POLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS
    14.
    发明申请
    PRE-POLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS 审中-公开
    用于烯烃聚合的预聚合催化剂组分

    公开(公告)号:WO2014202420A1

    公开(公告)日:2014-12-24

    申请号:PCT/EP2014/061958

    申请日:2014-06-10

    Abstract: A pre-polymerized catalyst component for the polymerization of olefins, characterized by comprising a non-stereospecific solid catalyst component, comprising Ti, Mg and a halogen and an amount of a (co)polymer of an alpha-olefin CH 2 =CHR1, wherein R is a C 1 C 12 hydrocarbon group, ranging from 0.1 up to 500g per g of said solid catalyst component, said (co)polymer being characterized by an isotacticity, expressed in terms isotactic pentads, of higher than 60% molar and by an intrinsic viscosity, measured in tetraline at 135°C, of at least 1.0 dL/g.

    Abstract translation: 一种用于烯烃聚合的预聚合催化剂组分,其特征在于包含非立体特异性固体催化剂组分,其包含Ti,Mg和卤素和一定量的α-烯烃CH2 = CHR1的(共)聚合物,其中R 是每克所述固体催化剂组分为0.1至500g的C1C12烃基,所述(共)聚合物的特征在于全同立构五元组表示的全同立构五单元组,高于60摩尔%和特性粘度,测量 在135℃的四氢化萘中至少为1.0dL / g。

    CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS
    15.
    发明申请
    CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS 审中-公开
    用于烯烃聚合的催化组分

    公开(公告)号:WO2007096255A1

    公开(公告)日:2007-08-30

    申请号:PCT/EP2007/051252

    申请日:2007-02-09

    Abstract: The present invention relates to catalysts component for the polymerization of ethylene and its mixtures with olefins CH 2 =CHR, wherein R is an alkyl, cycloalkyl or aryl radical having 1-12 carbon atoms, comprising Ti, Mg, halogen, and electron donor belonging to 1,2-diethers as internal electron donor compound. The catalyst of the invention is suitably used in (co)polymerization processes of ethylene to prepare (co)polymers having narrow Molecular Weight Distribution (MWD) and high bulk density.

    Abstract translation: 本发明涉及用于聚合乙烯及其与烯烃CH 2 = CHR的混合物的催化剂组分,其中R是具有1-12个碳原子的烷基,环烷基或芳基,包括Ti,Mg ,卤素和属于1,2-二醚的电子给体作为内电子给体化合物。 本发明的催化剂适用于乙烯的(共)聚合方法,以制备具有窄分子量分布(MWD)和高堆积密度的(共)聚合物。

    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.

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