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    Olefin Polymerization Catalyst and a Combined Catalyst Containing the Same
    1.
    发明申请
    Olefin Polymerization Catalyst and a Combined Catalyst Containing the Same 审中-公开
    烯烃聚合催化剂及其组合催化剂

    公开(公告)号：US20160102159A1

    公开(公告)日：2016-04-14

    申请号：US14879554

    申请日：2015-10-09

    Applicant: PETROCHINA COMPANY LIMITED

    Inventor： Weisong Cui ,  Jianjun Yi ,  Baozuo Yin ,  Kejing Gao ,  Kefeng Wang ,  Kuilong Tan ,  Yonggang Wang ,  Jing Mao ,  Rongbo Li

    IPC: C08F110/06

    CPC classification number: C08F110/06 ,  C08F4/651 ,  C08F2500/12 ,  C08F2500/15 ,  C08F2500/18 ,  C08F2500/24

    Abstract: The present disclosure provides an olefin polymerization catalyst and a combined catalyst containing the same. The catalyst comprises a reaction product of a magnesium dialkoxide, a titanium compound, an electron donor compound A and an electron donor compound B, wherein the electron donor compound A is a sulfonyl compound represented by general formula I, X is a disubstituted or unsubstituted group 14 element atom, a monosubstituted or unsubstituted group 15 element atom or group 16 element atom, and the substituent is a monocyclic, polycyclic or heteroatom-containing cyclic group or an aliphatic chain; R1 and R2 are respectively hydrogen atom, halogen atom, substituted or unsubstituted alkyl, cycloalkyl, aryl, aralkyl, alkylaryl or heteroatom-containing cyclic group. The combined catalyst comprises the catalyst and an organoaluminium compound and can comprise an organosilicon compound. The catalyst has a high activity and a good stereospecificity, and polymers prepared therefrom have a good particle morphology and little fine powder.

    Abstract translation: 本公开提供了烯烃聚合催化剂和含有该烯烃聚合催化剂的组合催化剂。 催化剂包括二烷氧基镁，钛化合物，电子给体化合物A和电子给体化合物B的反应产物，其中电子给体化合物A是由通式I表示的磺酰基化合物，X是二取代或未取代的基团 14元素原子，单取代或未取代的基团15元素原子或16元素原子，并且该取代基是单环，多环或含杂原子的环状基团或脂族链; R1和R2分别是氢原子，卤素原子，取代或未取代的烷基，环烷基，芳基，芳烷基，烷基芳基或含杂原子的环状基团。 合并的催化剂包括催化剂和有机铝化合物，并且可以包含有机硅化合物。 催化剂具有高活性和良好的立体定向性，由其​​制备的聚合物具有良好的颗粒形态和很少的细粉末。

    Magnesium alkoxide catalyst support and the preparation method and use thereof
    2.
    发明授权
    Magnesium alkoxide catalyst support and the preparation method and use thereof 有权

    公开(公告)号：US11084890B2

    公开(公告)日：2021-08-10

    申请号：US16201973

    申请日：2018-11-27

    Applicant: PetroChina Company Limited

    Inventor： Jianjun Yi ,  Kefeng Wang ,  Jie Hu ,  Xingfeng Chen ,  Yuan Yuan ,  Weisong Cui ,  Liang Cui ,  Zhifei Li ,  Rongbo Li

    IPC: C08F10/00 ,  C08F4/02 ,  C08F110/00

    Abstract: A magnesium alkoxide catalyst support and the preparation method and use thereof are provided. The method for preparing the magnesium alkoxide catalyst support comprises the following steps: mixing a metallic magnesium, a monohydric alcohol, a halogenating agent and a surfactant at 0° C. to 90° C. under an inert gas atmosphere, and then washing the resultant with an inert solvent to obtain the magnesium alkoxide catalyst support. A magnesium alkoxide catalyst support obtained by the above method is also provided, which can be used to catalyze olefin polymerization. The magnesium alkoxide catalyst support obtained by the above method according to the invention has excellent particle morphology and controllable size, and is suitable for preparing a catalyst for olefin polymerization.

    Spherical supported transition metal catalyst
    3.
    发明授权
    Spherical supported transition metal catalyst 有权

    公开(公告)号：US10808052B2

    公开(公告)日：2020-10-20

    申请号：US15747268

    申请日：2016-02-19

    Applicant: PetroChina Company Limited

    Inventor： Yuan Yuan ,  Tianxu Sun ,  Jianjun Yi ,  Shan Xue ,  Kefeng Wang ,  Kuilong Tan ,  Li Wang ,  Rongbo Li

    IPC: C08F10/02 ,  C08F4/02 ,  C08F110/02 ,  C08F110/06 ,  C08F10/06 ,  C08F4/6592 ,  C08F4/659

    Abstract: The present invention provides a spherical supported transition metal catalyst. The catalyst carrier is a spherical titanium/zirconium hydrophosphate compound, the primary catalyst is a transition metal compound, the co-catalyst is methylaluminoxane; the spherical titanium/zirconium hydrophosphate compound comprises one or several combinations of titanium hydrophosphate, modified titanium hydrophosphate and zirconium hydrophosphate. The present invention also provides a preparation method of said spherical supported transition metal catalyst and a use thereof in olefin polymerization, as well as the spherical titanium/zirconium hydrophosphate compound and its preparation method. The spherical, supported transition metal catalyst in the present invention has a high catalytic activity, and the polymer particles obtained have good morphology.

    MAGNESIUM ALKOXIDE CATALYST SUPPORT AND THE PREPARATION METHOD AND USE THEREOF
    4.
    发明申请
    MAGNESIUM ALKOXIDE CATALYST SUPPORT AND THE PREPARATION METHOD AND USE THEREOF 审中-公开

    公开(公告)号：US20190169324A1

    公开(公告)日：2019-06-06

    申请号：US16201973

    申请日：2018-11-27

    Applicant: PetroChina Company Limited

    Inventor： Jianjun YI ,  Kefeng Wang ,  Jie Hu ,  Xingfeng Chen ,  Yuan Yuan ,  Weisong Cui ,  Liang Cui ,  Zhifei Li ,  Rongbo Li

    IPC: C08F10/00

    Abstract: A magnesium alkoxide catalyst support and the preparation method and use thereof are provided. The method for preparing the magnesium alkoxide catalyst support comprises the following steps: mixing a metallic magnesium, a monohydric alcohol, a halogenating agent and a surfactant at 0° C. to 90° C. under an inert gas atmosphere, and then washing the resultant with an inert solvent to obtain the magnesium alkoxide catalyst support. A magnesium alkoxide catalyst support obtained by the above method is also provided, which can be used to catalyze olefin polymerization. The magnesium alkoxide catalyst support obtained by the above method according to the invention has excellent particle morphology and controllable size, and is suitable for preparing a catalyst for olefin polymerization.

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