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    Supported polymetal olefin polymerization catalyst, preparation method and use thereof
    1.
    发明授权
    Supported polymetal olefin polymerization catalyst, preparation method and use thereof 有权

    公开(公告)号：US10053523B2

    公开(公告)日：2018-08-21

    申请号：US15535902

    申请日：2015-11-25

    Applicant: East China University Of Science And Technology

    Inventor： Boping Liu ,  Jingwen Wang ,  Ruihua Cheng ,  Xuelian He ,  Zhen Liu ,  Ning Zhao

    IPC: C08F10/02

    CPC classification number: C08F10/02 ,  C08F110/02 ,  C08F210/16 ,  C08F4/685 ,  C08F4/646 ,  C08F4/02 ,  C08F210/14

    Abstract: The present invention relates to a supported polymetal olefin polymerization catalyst, comprising a porous support, a magnesium-containing support component, a transition metal titanium component supported on the porous support, and further comprising at least one non-magnesium metal component supported on the porous support. Further provided is a preparation method and a use of the supported polymetal olefin polymerization catalyst. An efficient composite support supported polymetal Ziegler-Natta catalyst is provided in the present invention, wherein a porous support, a soluble magnesium compound, and a soluble non-magnesium metal compound are used as raw materials. The supporting of titanium is achieved while a composite support containing magnesium and non-magnesium metal components is formed in situ in the surface of the porous support. The present invention has the advantage of a simple preparation method, a low cost, a controllability of morphology, properties of the catalyst, etc. Comparing the provided catalyst with the same type of magnesium/titanium catalyst free of non-magnesium metal components, the catalytic performance such as polymerization activity, hydrogen regulation sensitivity and copolymerization performance are significantly improved.

    NOVEL SUPPORTED DOUBLE CENTER HYBRID POLYETHYLENE CATALYST, PROCESS FOR PREPARING THE SAME AND USE THEREOF
    2.
    发明申请
    NOVEL SUPPORTED DOUBLE CENTER HYBRID POLYETHYLENE CATALYST, PROCESS FOR PREPARING THE SAME AND USE THEREOF 有权
    新型支持双中心混合聚乙烯催化剂，其制备方法及其用途

    公开(公告)号：US20150080540A1

    公开(公告)日：2015-03-19

    申请号：US14394269

    申请日：2013-04-15

    Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

    Inventor： Ning Zhao ,  Ruihua Cheng ,  Xuelian He ,  Zhen Liu ,  Boping Liu

    IPC: C08F10/02

    CPC classification number: C08F10/02 ,  C08F2410/04 ,  Y02P20/52 ,  C08F210/16 ,  C08F210/14 ,  C08F4/69 ,  C08F4/68

    Abstract: The present invention relates to a carriered hybrid vanadium-chromium-based catalyst, characterized in the catalyst is carriered on a porous inorganic carrier and a V active site and an organic Cr active site are present on the porous inorganic carrier at the same time. The present invention further relates to a process for producing a carriered hybrid vanadium-chromium-based catalyst. The catalyst of the present invention can be used for producing ethylene homopolymers and ethylene/α-olefin copolymers. The hybrid vanadium-chromium-based catalyst can have high activity and produce polyethylene polymers having the properties of broad molecular weight distribution (Part of the products are bimodal distribution) and excellent α-olefin copolymerization characteristic.

    Abstract translation: 本发明涉及一种载体杂化钒 - 铬基催化剂，其特征在于催化剂载体在多孔无机载体上，V活性位点和有机Cr活性位点同时存在于多孔无机载体上。 本发明还涉及一种生产载体混合钒 - 铬基催化剂的方法。 本发明的催化剂可用于生产乙烯均聚物和乙烯/α-烯烃共聚物。 混合钒 - 铬基催化剂可以具有高活性，并且生产具有宽分子量分布性质的聚乙烯聚合物（部分产物是双峰分布）和优异的α-烯烃共聚特性。

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