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    Olefin polymerization process
    6.
    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。

    Olefin polymerization process
    9.
    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。

    Preparation of catalyst systems
    10.
    发明申请
    Preparation of catalyst systems 失效
    催化剂体系的制备

    公开(公告)号：US20050272596A1

    公开(公告)日：2005-12-08

    申请号：US10521076

    申请日：2003-07-14

    申请人： Roland Kratzer ,  Volker Fraaije

    发明人： Roland Kratzer ,  Volker Fraaije

    IPC分类号： C08F10/00 ,  B01J31/00 ,  C08F4/44 ,  C08F4/64 ,  C08F4/646 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/06 ,  C08F110/06

    CPC分类号： C08F10/06 ,  C08F4/65908 ,  C08F4/65916 ,  C08F4/65927 ,  C08F10/00 ,  C08F110/06 ,  Y10S526/943 ,  C08F4/65912

    摘要： The present invention relates to a process for preparing a catalyst for olefin polymerization which is obtainable by bringing A) at least one organic transition metal compound, B) a mixture of at least two different organo metallic compounds and C) at least one cation-forming compound into contact with one another, wherein the organic transition metal compound A) is firstly brought into contact with the mixture of the organo metallic compounds B). In addition, the invention relates to the use of the catalyst for olefin polymerization, to catalysts obtainable by this process and to a process for the polymerization of olefins in which these catalysts are used.

    摘要翻译： 本发明涉及一种制备用于烯烃聚合的催化剂的方法，其可通过使A）至少一种有机过渡金属化合物，B）至少两种不同的有机金属化合物的混合物和C）至少一种阳离子形成 化合物彼此接触，其中首先使有机过渡金属化合物A）与有机金属化合物B）的混合物接触。 此外，本发明涉及用于烯烃聚合的催化剂，通过该方法获得的催化剂的用途以及使用这些催化剂的烯烃的聚合方法。