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    Catalyst compositions for polymerizing olefins to multimodal molecular weight distribution polymer, processes for production and use of the catalyst
    1.
    发明授权
    Catalyst compositions for polymerizing olefins to multimodal molecular weight distribution polymer, processes for production and use of the catalyst 失效
    用于将烯烃聚合成多峰分子量分布聚合物的催化剂组合物，催化剂的生产和使用方法

    公开(公告)号：US06784263B2

    公开(公告)日：2004-08-31

    申请号：US10052326

    申请日：2002-01-18

    申请人： Orass Hamed ,  Akhlaq Moman ,  Atieh Abu-Raqabah

    发明人： Orass Hamed ,  Akhlaq Moman ,  Atieh Abu-Raqabah

    IPC分类号： C08F444

    CPC分类号： C08F10/00 ,  C08F4/65912 ,  C08F4/65925 ,  C08F110/02 ,  C08F210/16 ,  C08F4/65904 ,  C08F4/65916 ,  C08F2500/05 ,  C08F210/14

    摘要： A solid catalyst component comprises a transition metal-containing metallocene compound, a non-cyclopentadienyl transition metal compound, a magnesium compound and a polymeric material which acts as a support. The catalyst component is combined with co-catalyst organoaluminum compound or a mixture of organoaluminum compounds to provide a catalyst composition useful for olefin polymerization, e.g., to produce linear low, medium and high density polyethylenes or copolymerization of ethylene with alpha-olefins. Product polyolefin polymers have a varied range of molecular weight distributions. The catalyst composition is prepared by a process comprising combining polymer support particles, magnesium compound, transition metal-containing metallocene compound, and non-cyclopentadienyl transition metal compound to provide a solid catalyst component, and, combining the solid catalyst component with a cocatalyst compound to provide a polyolefin polymerization catalyst composition.

    摘要翻译： 固体催化剂组分包含含过渡金属的茂金属化合物，非环戊二烯基过渡金属化合物，镁化合物和作为载体的聚合物。 将催化剂组分与助催化剂有机铝化合物或有机铝化合物的混合物组合以提供可用于烯烃聚合的催化剂组合物，例如产生线性低，中和高密度聚乙烯或乙烯与α-烯烃的共聚。 产品聚烯烃聚合物具有不同范围的分子量分布。催化剂组合物通过包括将聚合物载体颗粒，镁化合物，含过渡金属的茂金属化合物和非环戊二烯基过渡金属化合物组合以提供固体催化剂组分的方法制备， 并且将固体催化剂组分与助催化剂化合物组合以提供聚烯烃聚合催化剂组合物。

    Process for the preparation of a silylchromate catalyst
    3.
    发明授权
    Process for the preparation of a silylchromate catalyst 失效
    制备甲硅烷基铬酸盐催化剂的方法

    公开(公告)号：US08324330B2

    公开(公告)日：2012-12-04

    申请号：US12224760

    申请日：2007-03-29

    申请人： Syriac Palackal ,  Srikant Hazra ,  Orass Hamed ,  Mohammed Al-Anazi

    发明人： Syriac Palackal ,  Srikant Hazra ,  Orass Hamed ,  Mohammed Al-Anazi

    IPC分类号： C08F4/06 ,  B01J31/00 ,  B01J21/00

    CPC分类号： C08F10/00 ,  C08F110/02 ,  C08F4/025 ,  C08F4/69 ,  C08F4/22 ,  C08F2500/07 ,  C08F2500/12 ,  C08F2500/04

    摘要： The invention is directed to a process for the preparation of a silylchromate catalyst comprising the steps of: 1. depositing silylchromate on a support at a deposition temperature of at least 55° C. during a deposition time of less than 6 hours, 2. reducing the supported silylchromate by addition of a reducing agent at a reduction temperature of at least 15° C. during a reduction time of less than 1.5 hours; and 3. drying of the reduced silylchromate at a temperature of at least 25° C. during a drying time of less than 8 hours. The invention also relates to a process for the production of an ethylene homopolymer or an ethylene copolymer in the presence of the silylchromate catalyst obtained with the process according to the invention.

    摘要翻译： 本发明涉及一种制备甲硅烷基铬酸酯催化剂的方法，包括以下步骤：1.在沉积时间少于6小时的情况下，在至少55℃的沉积温度下在载体上沉积甲硅烷基铬酸盐，2.减少 在少于1.5小时的还原时间内，通过在至少15℃的还原温度下加入还原剂来负载的甲硅烷基铬酸盐; 和3.在少于8小时的干燥时间内，在至少25℃的温度下干燥还原的甲硅烷基铬酸盐。 本发明还涉及在通过根据本发明的方法获得的甲硅烷基铬酸盐催化剂存在下生产乙烯均聚物或乙烯共聚物的方法。

    Process for the Preparation of a Silylchromate Catalyst
    4.
    发明申请
    Process for the Preparation of a Silylchromate Catalyst 失效
    硅烷基铬酸盐催化剂的制备方法

    公开(公告)号：US20090306317A1

    公开(公告)日：2009-12-10

    申请号：US12224760

    申请日：2007-03-29

    申请人： Syriac Palackal ,  Srikant Hazra ,  Orass Hamed ,  Mohammed Al-Anazi

    发明人： Syriac Palackal ,  Srikant Hazra ,  Orass Hamed ,  Mohammed Al-Anazi

    IPC分类号： C08F4/42 ,  B01J21/06 ,  B01J31/04

    CPC分类号： C08F10/00 ,  C08F110/02 ,  C08F4/025 ,  C08F4/69 ,  C08F4/22 ,  C08F2500/07 ,  C08F2500/12 ,  C08F2500/04

    摘要： The invention is directed to a process for the preparation of a silylchromate catalyst comprising the steps of: 1. depositing silylchromate on a support at a deposition temperature of at least 55° C. during a deposition time of less than 6 hours, 2. reducing the supported silylchromate by addition of a reducing agent at a reduction temperature of at least 15° C. during a reduction time of less than 1.5 hours; and 3. drying of the reduced silylchromate at a temperature of at least 25° C. during a drying time of less than 8 hours. The invention also relates to a process for the production of an ethylene homopolymer or an ethylene copolymer in the presence of the silylchromate catalyst obtained with the process according to the invention.

    摘要翻译： 本发明涉及一种制备甲硅烷基铬酸酯催化剂的方法，包括以下步骤：1.在沉积时间少于6小时的情况下，在至少55℃的沉积温度下在载体上沉积甲硅烷基铬酸盐，2.减少 在少于1.5小时的还原时间内，通过在至少15℃的还原温度下加入还原剂来负载的甲硅烷基铬酸盐; 和3.在少于8小时的干燥时间内，在至少25℃的温度下干燥还原的甲硅烷基铬酸盐。 本发明还涉及在通过根据本发明的方法获得的甲硅烷基铬酸盐催化剂存在下生产乙烯均聚物或乙烯共聚物的方法。