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    Olefin polymerization process
    1.
    发明授权
    Olefin polymerization process 有权
    烯烃聚合工艺

    公开(公告)号：US07122606B2

    公开(公告)日：2006-10-17

    申请号：US10563497

    申请日：2004-06-29

    申请人： Maria Silvia Tonti ,  Markus Oberhoff ,  Volker Fraaije ,  Bernd Bachmann

    发明人： Maria Silvia Tonti ,  Markus Oberhoff ,  Volker Fraaije ,  Bernd Bachmann

    IPC分类号： C08F2/38

    CPC分类号： C08F110/06 ,  C08F4/65912 ,  C08F4/65916 ,  Y10S526/904 ,  Y10S526/905 ,  C08F4/65927 ,  C08F2/06

    摘要： A process for polymerizing one or more alpha-olefins of formula CH2═CHT wherein T is a hydrogen atom or a C1–C20 alkyl radical comprising the following steps: a) contacting in a continuous way one or more of said alpha olefins with a metallocene based catalyst system in a loop reactor, wherein: (i) the reaction is carried out in a liquid medium; (ii) the average residence time of the metallocene-based catalyst system is not more than 30 minutes; (iii) the temperature of the loop ranges from 25° to 70° C.; in order to obtain a polymerization degree ranging from 60 to 500 g per gram of catalyst system; b) feeding in continuous the prepolymerized metallocene-based catalyst system obtained in step a) into a polymerization reactor C) polymerizing one or more alpha-olefins, the same or different from the alpha olefins used in step a), in the presence of said prepolymerized metallocene-based catalyst system.

    摘要翻译： 用于聚合一种或多种式CH 2 -CHT的α-烯烃的方法，其中T是氢原子或C 1 -C 20 - 烷基，其包括以下步骤：a）在环流反应器中以连续方式使一种或多种所述α-烯烃与茂金属基催化剂体系接触，其中：（i）反应在液体介质中进行; （ii）金属茂系催化剂体系的平均停留时间不超过30分钟; （iii）环路温度为25°至70°C; 以获得每克催化剂体系60至500g的聚合度; b）将在步骤a）中获得的预聚合的茂金属基催化剂体系连续进料到聚合反应器中C）使所述α-烯烃在所述 预聚金属茂系催化剂体系。

    Olefin polymerization process
    2.
    发明申请
    Olefin polymerization process 有权
    烯烃聚合工艺

    公开(公告)号：US20060160962A1

    公开(公告)日：2006-07-20

    申请号：US10563497

    申请日：2004-06-29

    申请人： Maria Tonti ,  Markus Oberhoff ,  Volker Fraaije ,  Bernd Bachmann

    发明人： Maria Tonti ,  Markus Oberhoff ,  Volker Fraaije ,  Bernd Bachmann

    IPC分类号： C08F2/00

    CPC分类号： C08F110/06 ,  C08F4/65912 ,  C08F4/65916 ,  Y10S526/904 ,  Y10S526/905 ,  C08F4/65927 ,  C08F2/06

    摘要： A process for polymerizing one or more alpha-olefins of formula CH2═CHT wherein T is a hydrogen atom or a C1-C20 alkyl radical comprising the following steps: a) contacting in a continuous way one or more of said alpha olefins with a metallocene based catalyst system in a loop reactor, wherein: (i) the reaction is carried out in a liquid medium; (ii) the average residence time of the metallocene-based catalyst system is not more than 30 minutes; (iii) the temperature of the loop ranges from 25° to 70° C.; in to obtain a polymerization degree ranging from 60 to 500 g per gram of catalyst system; b) feeding in continuous the prepolymerized metallocene-based catalyst system obtained in step a) into a polymerization reactor C) polymerizing one or more alpha-olefins, the same or different from the alpha olefins used in step a), in the presence of said prepolymerized metallocene-based catalyst system.

    摘要翻译： 用于聚合一种或多种式CH 2 -CHT的α-烯烃的方法，其中T是氢原子或C 1 -C 20 - 烷基，其包括以下步骤：a）在环流反应器中以连续方式使一种或多种所述α-烯烃与茂金属基催化剂体系接触，其中：（i）反应在液体介质中进行; （ii）金属茂系催化剂体系的平均停留时间不超过30分钟; （iii）环路温度为25°至70°C; 以获得每克催化剂体系60至500克的聚合度; b）将在步骤a）中获得的预聚合的茂金属基催化剂体系连续进料到聚合反应器中C）使所述α-烯烃在所述 预聚金属茂系催化剂体系。

    Supported metal alkyl compound and process for the polymerization of olefins in its presence
    3.
    发明授权
    Supported metal alkyl compound and process for the polymerization of olefins in its presence 失效
    负载型金属烷基化合物及其存在下烯烃聚合方法

    公开(公告)号：US07683146B2

    公开(公告)日：2010-03-23

    申请号：US12225970

    申请日：2007-04-23

    申请人： Heike Gregorius ,  Maria Silvia Tonti ,  Bernd Bachmann

    发明人： Heike Gregorius ,  Maria Silvia Tonti ,  Bernd Bachmann

    IPC分类号： C08F4/44

    CPC分类号： C08F10/00 ,  B01J31/12 ,  B01J31/14 ,  B01J31/2295 ,  C08F4/65912 ,  C08F4/65927 ,  C08F110/06 ,  C08F4/65916 ,  C08F4/025 ,  C08F2500/24

    摘要： The present invention relates to pulverulent solids obtainable by reaction of a metal alkyl compound of a divalent or higher-valent metal and a finely divided support which on its surface bears functional groups which can form a chemical bond between the metal atom of the metal alkyl compound and the surface of the support, wherein the particles of the finely divided support have particle diameters of less than 1000 nm and less than 5% by weight of the metal alkyl compound is extractable in a single extraction of the pulverulent solid with 20 ml of heptane per gram of solid at 50° C. In addition, the invention relates to a process for preparing the pulverulent solids, a catalyst composition for the polymerization of olefins which comprises the pulverulent solids and polymerization processes using the catalyst composition.

    摘要翻译： 本发明涉及通过二价或更高价金属的金属烷基化合物和细分散的载体的反应获得的粉状固体，其表面具有可在金属烷基化合物的金属原子之间形成化学键的官能团 和支撑体的表面，其中细分散载体的颗粒具有小于1000nm且小于金属烷基化合物重量的小于5重量％的颗粒可以在用20ml庚烷的单次提取粉状固体中提取 在50℃下每克固体。此外，本发明涉及制备粉状固体的方法，用于烯烃聚合的催化剂组合物，其包含粉状固体和使用该催化剂组合物的聚合方法。

    Supported Metal Alkyl Compound and Process for the Polymerization of Olefins in Its Presence
    4.
    发明申请
    Supported Metal Alkyl Compound and Process for the Polymerization of Olefins in Its Presence 失效
    负载型金属烷基化合物及其存在下烯烃聚合方法

    公开(公告)号：US20090124770A1

    公开(公告)日：2009-05-14

    申请号：US12225970

    申请日：2007-04-23

    申请人： Heike Gregorius ,  Maria Silvia Tonti ,  Bernd Bachmann

    发明人： Heike Gregorius ,  Maria Silvia Tonti ,  Bernd Bachmann

    IPC分类号： C08F4/52 ,  C07F7/02 ,  B01J31/14

    CPC分类号： C08F10/00 ,  B01J31/12 ,  B01J31/14 ,  B01J31/2295 ,  C08F4/65912 ,  C08F4/65927 ,  C08F110/06 ,  C08F4/65916 ,  C08F4/025 ,  C08F2500/24

    摘要： The present invention relates to pulverulent solids obtainable by reaction of a metal alkyl compound of a divalent or higher-valent metal and a finely divided support which on its surface bears functional groups which can form a chemical bond between the metal atom of the metal alkyl compound and the surface of the support, wherein the particles of the finely divided support have particle diameters of less than 1000 nm and less than 5% by weight of the metal alkyl compound is extractable in a single extraction of the pulverulent solid with 20 ml of heptane per gram of solid at 50° C. In addition, the invention relates to a process for preparing the pulverulent solids, a catalyst composition for the polymerization of olefins which comprises the pulverulent solids and polymerization processes using the catalyst composition.

    摘要翻译： 本发明涉及通过二价或更高价金属的金属烷基化合物和细分散的载体的反应获得的粉状固体，其表面具有可在金属烷基化合物的金属原子之间形成化学键的官能团 和支撑体的表面，其中细分散载体的颗粒具有小于1000nm且小于金属烷基化合物重量的小于5重量％的颗粒可以在用20ml庚烷的单次提取粉状固体中提取 在50℃下每克固体。此外，本发明涉及制备粉状固体的方法，用于烯烃聚合的催化剂组合物，其包含粉状固体和使用该催化剂组合物的聚合方法。