利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

70 条记录 (耗时 0.025 秒)

    Method for preparation of spherical support for olefin polymerization catalyst
    6.
    发明授权
    Method for preparation of spherical support for olefin polymerization catalyst 有权
    烯烃聚合催化剂球形载体的制备方法

    公开(公告)号：US07767614B2

    公开(公告)日：2010-08-03

    申请号：US11614390

    申请日：2006-12-21

    申请人： Eun-Il Kim ,  Young-Joo Lee ,  Hoe-Chul Jung ,  Joon-Ryeo Park

    发明人： Eun-Il Kim ,  Young-Joo Lee ,  Hoe-Chul Jung ,  Joon-Ryeo Park

    IPC分类号： B01J31/00 ,  C08F10/00

    CPC分类号： C08F10/00 ,  C08F4/02 ,  C08F4/022

    摘要： Provided is a method for preparing a support for olefin polymerization catalysts used in polyolefin preparation processes. Particularly, provided is a novel method for preparing a support for olefin polymerization catalysts comprising the reaction of metal magnesium with an alcohol in the presence of an additive for initiating the reaction, characterized in that halogenated nitrogen compound is used as the additive for initiating the reaction, resulting in a spherical dialkoxy magnesium support.

    摘要翻译： 提供一种制备用于聚烯烃制备方法中的烯烃聚合催化剂载体的方法。 特别地，提供了一种制备用于烯烃聚合催化剂的载体的新方法，其包括在用于引发反应的添加剂存在下金属镁与醇的反应，其特征在于使用卤代氮化合物作为引发反应的添加剂 ，得到球形二烷氧基镁载体。

    SEPARATION METHOD OF AROMATIC COMPOUNDS COMPRISING SIMULATED MOVING BED XYLENE MIXTURE PRE-TREATMENT PROCESS AND ADDITIONAL XYLENE ISOMERIZATION PROCESS
    7.
    发明申请
    SEPARATION METHOD OF AROMATIC COMPOUNDS COMPRISING SIMULATED MOVING BED XYLENE MIXTURE PRE-TREATMENT PROCESS AND ADDITIONAL XYLENE ISOMERIZATION PROCESS 有权
    包含模拟移动板式XYLENE混合物预处理方法和附加XYLENE异构化方法的芳族化合物的分离方法

    公开(公告)号：US20100145119A1

    公开(公告)日：2010-06-10

    申请号：US12532751

    申请日：2007-10-31

    申请人： Jin-Suk Lee ,  Hyun-Chul Kim

    发明人： Jin-Suk Lee ,  Hyun-Chul Kim

    IPC分类号： C07C2/00

    CPC分类号： C07C7/12 ,  C07C5/27 ,  C07C6/126 ,  C07C15/08

    摘要： Disclosed is a method for separating aromatic compounds using a simulated moving bed adsorptive chromatography, comprising a sulfolan process that is a non-aromatic compound removing process, a benzene/toluene fractionation process, an aromatic compound fractionation process, a selective toluene disproportionation process, a transalkylation process, a simulated moving bed para-xylene separation process and a xylene isomerization process, wherein the method is characterized by further comprising a simulated moving bed xylene mixture pre-treatment process and an additional xylene isomerization process. The separation method of aromatic compounds according to the present invention can make significant improvement in para-xylene and benzene production in the overall process, as compared to the conventional aromatic compound separation process.

    摘要翻译： 公开了使用模拟移动床吸附色谱法分离芳族化合物的方法，其包括作为非芳族化合物除去方法的环丁砜方法，苯/甲苯分馏法，芳香族化合物分馏法，选择性甲苯歧化法 烷基转移方法，模拟移动床对二甲苯分离方法和二甲苯异构化方法，其特征在于还包括模拟移动床二甲苯混合物预处理方法和另外的二甲苯异构化方法。 与常规芳族化合物分离方法相比，根据本发明的芳族化合物的分离方法可以在整个方法中显着改善对二甲苯和苯的生产。

    CATALYST FOR PROPYLENE POLYMERIZATION AND THE METHOD OF PROPYLENE POLYMERIZATION USING THE CATALYST
    8.
    发明申请
    CATALYST FOR PROPYLENE POLYMERIZATION AND THE METHOD OF PROPYLENE POLYMERIZATION USING THE CATALYST 审中-公开
    用于丙烯聚合的催化剂和使用催化剂的丙烯聚合方法

    公开(公告)号：US20090281259A1

    公开(公告)日：2009-11-12

    申请号：US11577800

    申请日：2005-09-23

    申请人： Joon-Ryeo Park ,  Ho-Sik Chang ,  Jin-Kyu Ahn ,  Sang-Yeol Kim

    发明人： Joon-Ryeo Park ,  Ho-Sik Chang ,  Jin-Kyu Ahn ,  Sang-Yeol Kim

    IPC分类号： C08F4/50 ,  B01J31/12

    CPC分类号： C08F110/06 ,  Y02P20/52 ,  C08F4/6548 ,  C08F2500/12 ,  C08F2500/15

    摘要： The present invention provides a catalyst for propylene polymerization and a method for propylene polymerization using the same, specifically, a catalyst for propylene polymerization, which is prepared by reacting dialkoxy magnesium with titanium halide compound or silane halide compound and internal electron donor in the presence of an organic solvent, and a method for propylene polymerization which can produce polypropylene having 99% or more of iso-tacticity index, by mixing and reacting said catalyst, alkyl aluminum, external electron donor and propylene.

    摘要翻译： 本发明提供了一种用于丙烯聚合的催化剂和使用该催化剂的丙烯聚合方法，具体地说，是用于丙烯聚合的催化剂，其通过使二烷氧基镁与卤化钛化合物或者硅烷卤化物化合物和内部电子给体在 有机溶剂和丙烯聚合方法，通过使所述催化剂，烷基铝，外电子给体和丙烯混合和反应，可以生产具有99％或更高等规立构规整度指数的聚丙烯。

    SIMULTATED MOVING BED ADSORPTIVE SEPARATION PROCESS USING A PLURALITY OF ADSORPTION CHAMBERS IN PARALLEL AND CRYSTALLIZER AND DEVICE USED THEREIN
    9.
    发明申请
    SIMULTATED MOVING BED ADSORPTIVE SEPARATION PROCESS USING A PLURALITY OF ADSORPTION CHAMBERS IN PARALLEL AND CRYSTALLIZER AND DEVICE USED THEREIN 有权
    模拟移动床吸附分离过程使用多个平行的并联器和结晶器中的吸收室和其使用的器件

    公开(公告)号：US20080149565A1

    公开(公告)日：2008-06-26

    申请号：US11613553

    申请日：2006-12-20

    申请人： Jin-Suk Lee ,  Nam-Cheol Shin

    发明人： Jin-Suk Lee ,  Nam-Cheol Shin

    IPC分类号： B01D15/10

    CPC分类号： B01D15/1842 ,  B01D15/185 ,  C07C7/12 ,  C07C15/08

    摘要： Provided is a process for adsorptive separation of p-xylene from an aromatic hydrocarbon mixture comprising other isomers of xylene, and a device used therein. More specifically, the present invention provides a separation process employing simulated moving bed (SMB) adsorptive chromatography, characterized by subjecting the extracts eluted from a plurality of adsorption chambers arranged in parallel, to a crystallizer for additional separation, thereby improving productivity, and a device used therein.

    摘要翻译： 提供了一种从包含二甲苯的其它异构体的芳族烃混合物及其中使用的装置吸附分离对二甲苯的方法。 更具体地说，本发明提供了一种采用模拟移动床（SMB）吸附色谱法的分离方法，其特征在于将从并列排列的多个吸附室洗提出的萃取液经结晶器进行分离，从而提高生产率， 在其中使用。

    SIMULTATED MOVING BED ADSORPTIVE SEPARATION PROCESS COMPRISING PREPARATION OF FEED BY USING SINGLE ADSORPTION CHAMBER AND DEVICE USED THEREIN
    10.
    发明申请
    SIMULTATED MOVING BED ADSORPTIVE SEPARATION PROCESS COMPRISING PREPARATION OF FEED BY USING SINGLE ADSORPTION CHAMBER AND DEVICE USED THEREIN 有权
    模拟移动床吸附分离过程，包括使用单个吸附室进料的进料和使用的设备

    公开(公告)号：US20070149841A1

    公开(公告)日：2007-06-28

    申请号：US11613600

    申请日：2006-12-20

    申请人： Jin-Suk Lee ,  Nam-Cheol Shin

    发明人： Jin-Suk Lee ,  Nam-Cheol Shin

    IPC分类号： C07C7/12

    CPC分类号： B01D15/185 ,  B01D15/12 ,  C07C7/12 ,  C07C15/08

    摘要： Provided is a process for adsorptive separation of p-xylene from an aromatic hydrocarbon mixture comprising other isomers of xylene, and a device used therein. More specifically, the present invention provides a separation process employing simulated moving bed (SMB) adsorptive chromatography, characterized by pretreating a fluid mixture, i.e. the feed, by using single adsorption chamber so as to raise the concentration of a component to be separated, and then carrying out the simulated moving bed adsorptive separation, thereby improving productivity, and a device used therein.

    摘要翻译： 提供了一种从包含二甲苯的其它异构体的芳族烃混合物及其中使用的装置吸附分离对二甲苯的方法。 更具体地说，本发明提供一种采用模拟移动床（SMB）吸附色谱法的分离方法，其特征在于通过使用单一吸附室预处理流体混合物即进料，以提高待分离的组分的浓度，以及 然后进行模拟移动床吸附分离，从而提高生产率，以及其中使用的装置。