Process for the preparation of a silylchromate catalyst
    1.
    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

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

    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。

    CATALYST COMPLEX AND PROCESS FOR PRODUCING MULTIMODAL MOLECULAR WEIGHT POLYOLEFINS
    2.
    发明申请
    CATALYST COMPLEX AND PROCESS FOR PRODUCING MULTIMODAL MOLECULAR WEIGHT POLYOLEFINS 有权
    催化复合物和生产多组分重量聚烯烃的方法

    公开(公告)号:US20100168351A1

    公开(公告)日:2010-07-01

    申请号:US12450382

    申请日:2008-03-05

    IPC分类号: C08F4/44 C07F3/06

    摘要: Multinuclear catalyst complex comprising two or more active metal centres and at least one phenoxyimine compound and at least one substituted cyclopentadienyl, indenyl or fluorenyl derivative, each phenoxyimine compound being bonded to a cyclopentadienyl, indenyl or fluorenyl derivative forming a ligand framework, the cyclopentadienyl, indenyl or fluorenyl derivative being coordinated with one of the metal centres and the phenoxyimine compound being coordinated with an active metal centre other than the metal centre the cyclopentadienyl, indenyl or fluorenyl derivative is coordinated with, and wherein the phenoxyimine compound has the formula wherein R1 is hydrogen, alkyl, cycloalkyl, aryl or aralkyl; R2 is hydrogen, halogen, alkyl, cycloalkyl, aryl, O-alkyl or aralkyl; and R3 is alkyl, cycloalkyl, aryl or aralkyl, process for preparing a multinuclear catalyst composition comprising the steps of bonding a substituted phenoxyimine compound to a substituted cyclopentadienyl, indenyl or fluorenyl derivative to obtain a ligand framework and reacting at least one ligand framework with an active metal component and process for the polymerization of olefins, in particular of ethylene and optionally one or more other a-olefins, wherein said multinuclear catalyst is applied.

    摘要翻译: 包含两个或更多个活性金属中心和至少一个苯亚胺亚胺化合物和至少一个取代的环戊二烯基,茚基或芴基衍生物的多核催化剂络合物,每个苯亚胺亚胺化合物与形成配体骨架的环戊二烯基,茚基或芴基衍生物结合,环戊二烯基,茚基 或芴基衍生物与金属中心之一配位,并且苯氧亚胺化合物与金属中心以外的活性金属中心配位,环戊二烯基,茚基或芴基衍生物配位,其中苯氧基亚胺化合物具有下式其中R 1为氢 ,烷基,环烷基,芳基或芳烷基; R2是氢,卤素,烷基,环烷基,芳基,O-烷基或芳烷基; 并且R 3是烷基,环烷基,芳基或芳烷基,制备多核催化剂组合物的方法包括以下步骤:将取代的苯氧亚胺化合物与取代的环戊二烯基,茚基或芴基衍生物结合,得到配体框架,并使至少一个配体框架与 活性金属组分和用于烯烃聚合的方法,特别是乙烯和任选的一种或多种其它α-烯烃的聚合方法,其中应用所述多核催化剂。

    Process for the Preparation of a Silylchromate Catalyst
    3.
    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

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

    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。

    Catalyst complex and process for producing multimodal molecular weight polyolefins
    5.
    发明授权
    Catalyst complex and process for producing multimodal molecular weight polyolefins 有权
    用于生产多峰分子量聚烯烃的催化剂复合物和方法

    公开(公告)号:US08420563B2

    公开(公告)日:2013-04-16

    申请号:US12450382

    申请日:2008-03-05

    摘要: Multinuclear catalyst complex comprising two or more active metal centers and at least one phenoxyimine derivative and at least one substituted cyclopentadienyl, indenyl or fluorenyl derivative, each phenoxyimine derivative being bonded to a cyclopentadienyl, indenyl or fluorenyl derivative forming a ligand framework, the cyclopentadienyl, indenyl or fluorenyl derivative being coordinated with one of the metal centers and the phenoxyimine derivative being coordinated with an active metal center other than the metal center the cyclopentadienyl, indenyl or fluorenyl derivative is coordinated with, and wherein the phenoxyimine derivative is derived from a phenoxyimine compound of the formula wherein R1 is hydrogen, alkyl, cycloalkyl, aryl or aralkyl; R2 is hydrogen, halogen, alkyl, cycloalkyl, aryl, O-alkyl or aralkyl; and R3 is alkyl, cycloalkyl, aryl or aralkyl, process for preparing a multinuclear catalyst composition comprising the steps of bonding the substituted phenoxyimine compound to a substituted cyclopentadienyl, indenyl or fluorenyl derivative to obtain a ligand framework and reacting at least one ligand framework with an active metal component and process for the polymerization of olefins, in particular of ethylene and optionally one or more other a-olefins, wherein said multinuclear catalyst is applied.

    摘要翻译: 包含两个或多个活性金属中心和至少一个苯亚胺亚胺衍生物和至少一个取代的环戊二烯基,茚基或芴基衍生物的多核催化剂络合物,每个苯亚胺亚胺衍生物与形成配体骨架的环戊二烯基,茚基或芴基衍生物结合,环戊二烯基,茚基 或芴基衍生物与金属中心之一配位,苯氧基亚胺衍生物与金属中心以外的活性金属中心配位,环戊二烯基,茚基或芴基衍生物与其配位,其中苯氧基亚胺衍生物衍生自 其中R 1是氢,烷基,环烷基,芳基或芳烷基; R2是氢,卤素,烷基,环烷基,芳基,O-烷基或芳烷基; 并且R3是烷基,环烷基,芳基或芳烷基,制备多核催化剂组合物的方法包括以下步骤:将取代的苯氧亚胺化合物与取代的环戊二烯基,茚基或芴基衍生物结合,得到配体框架并使至少一个配体框架与 活性金属组分和用于烯烃聚合的方法,特别是乙烯和任选的一种或多种其它α-烯烃的聚合方法,其中应用所述多核催化剂。