METHOD OF PREPARATION OF SPHERICAL SUPPORT FOR OLEFIN POLYMERIZATION CATALYST
    21.
    发明申请
    METHOD OF PREPARATION OF SPHERICAL SUPPORT FOR OLEFIN POLYMERIZATION CATALYST 有权
    烯烃聚合催化剂球形支撑剂的制备方法

    公开(公告)号:US20100172820A1

    公开(公告)日:2010-07-08

    申请号:US12676264

    申请日:2008-09-11

    IPC分类号: C01F5/26

    CPC分类号: C08F10/00 C08F4/022

    摘要: Provided is a method of preparation of a spherical support for an olefin polymerization catalyst. Specifically, provided is a method of preparation of a support which can be used in preparation of an olefin polymerization catalyst, wherein, MgX(I) (X=halogen atom) is prepared by reacting a reaction initiator, nitrogen halide, and magnesium metal, and then magnesium metal and alcohol are reacted in the presence of the MgX, thereby resulting a smooth-surfaced spherical dialkoxy magnesium support having a uniform particle size distribution.

    摘要翻译: 提供了一种制备用于烯烃聚合催化剂的球形载体的方法。 具体地说,提供了可用于制备烯烃聚合催化剂的载体的制备方法,其中通过使反应引发剂,氮
    卤化物和镁金属反应制备MgX(I)(X =卤素原子) 然后在MgX存在下镁金属和醇反应,从而得到具有均匀粒度分布的光滑表面的球形二烷氧基镁载体。

    Simulated moving bed adsorptive separation process using a plurality of adsorption chambers in parallel and crystallizer and device used therein
    23.
    发明授权
    Simulated 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并联的吸附室和结晶器及其中使用的装置

    公开(公告)号:US07649124B2

    公开(公告)日:2010-01-19

    申请号:US11613553

    申请日:2006-12-20

    IPC分类号: C07C7/135

    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。

    PROCESS FOR POLYMERIZATION OR COPOLYMERIZATION OF ETHYLENE
    24.
    发明申请
    PROCESS FOR POLYMERIZATION OR COPOLYMERIZATION OF ETHYLENE 失效
    乙烯的聚合或共聚方法

    公开(公告)号:US20090221771A1

    公开(公告)日:2009-09-03

    申请号:US12160773

    申请日:2006-12-28

    IPC分类号: C08F4/50

    摘要: Provided is a process for polymerization and copolymerization of ethylene, specifically comprising carrying out polymerization or copolymerization ethylene in the presence of (a) a solid complex titanium catalyst which is produced by the process comprising: (i) preparing a magnesium compound solution by contacting a halogenated magnesium compound and an alcohol for allowing a reaction; (ii) reacting the resulted magnesium compound solution with an ester compound having at least one hydroxyl group and a silicon compound having at least one alkoxy group; (iii) reacting the resulted solution with a mixture of a titanium compound and a silicon compound to obtain a solid titanium catalyst component; (iv) washing the resulted solid titanium catalyst component with a halogenated saturated hydrocarbon compound; and (v) further reacting the washed solid titanium catalyst component with a titanium compound to obtain a solid complex titanium catalyst, and (b) an organometallic compound from Group II or III of Periodic table of elements. According to the present invention, it is possible to provide a process for polymerization or copolymerization of ethylene in which the catalyst activity is improved and a polymer of high bulk density is provided, with the use of a catalyst prepared by a simple process.

    摘要翻译: 提供了一种乙烯的聚合和共聚方法,特别包括在(a)固体络合物钛催化剂的存在下进行聚合或共聚乙烯,所述固体络合物钛催化剂通过以下方法制备,所述方法包括:(i)通过使 卤化镁化合物和用于允许反应的醇; (ii)使得到的镁化合物溶液与具有至少一个羟基的酯化合物和具有至少一个烷氧基的硅化合物反应; (iii)使所得溶液与钛化合物和硅化合物的混合物反应,得到固体钛催化剂组分; (iv)用卤化饱和烃化合物洗涤得到的固体钛催化剂组分; 和(v)使洗涤的固体钛催化剂组分与钛化合物进一步反应以获得固体络合物钛催化剂,和(b)元素周期表第II或III族的有机金属化合物。 根据本发明,通过使用通过简单的方法制备的催化剂,可以提供改进催化剂活性的乙烯的聚合或共聚方法和提供高堆积密度的聚合物。

    Ziegler-natta catalyst for olefin polymerization including aryloxy group and method for polymerization of olefin using same
    25.
    发明授权
    Ziegler-natta catalyst for olefin polymerization including aryloxy group and method for polymerization of olefin using same 有权
    包括芳氧基的烯烃聚合的齐格勒 - 纳塔催化剂和使用它们的烯烃聚合方法

    公开(公告)号:US07456126B2

    公开(公告)日:2008-11-25

    申请号:US10595272

    申请日:2004-08-24

    IPC分类号: C08F4/64 C08F4/642

    摘要: The present invention relates to a Ziegler-Natta catalyst for olefin polymerization and a method for polymerization of olefin using the same. Specifically, the invention relates to a Zeigler-Natta catalyst for olefin polymerization, which is produced by a method comprising the step of reacting a transition metal compound in which the transition metal having an oxidation number of 4 or more is selected from Groups IV, V or VI of the Periodic table and two or more aryloxy ligands are bound to the transition metal, with an organomagnesium compound, to reduce said transition metal compound to a reduced form in which the transition metal has an oxidation number of 3, and a method for polymerization of olefin using said catalyst.

    摘要翻译: 本发明涉及用于烯烃聚合的齐格勒 - 纳塔催化剂和使用其的烯烃聚合方法。 具体地说,本发明涉及一种用于烯烃聚合的Zeigler-Natta催化剂,其通过包括使氧化数为4以上的过渡金属选自IV,V族的过渡金属化合物 或VI,并且两个或更多个芳氧基配体与有机镁化合物结合到过渡金属上,以将所述过渡金属化合物还原为其中过渡金属的氧化数为3的还原形式,以及用于 使用所述催化剂聚合烯烃。

    LIGHT CONVERSION LIGHT-EMITTING DEVICE WITH ENHANCED LIGHT LUMINESCENCE EFFICIENCY USING ANISOTROPIC METAL NANOPARTICLES
    28.
    发明申请
    LIGHT CONVERSION LIGHT-EMITTING DEVICE WITH ENHANCED LIGHT LUMINESCENCE EFFICIENCY USING ANISOTROPIC METAL NANOPARTICLES 有权
    具有增强光亮度的光转换发光装置,使用各向异性金属纳米粒子

    公开(公告)号:US20150155449A1

    公开(公告)日:2015-06-04

    申请号:US14409942

    申请日:2013-11-07

    IPC分类号: H01L33/50 H01L51/52

    摘要: There is provided a light-emitting device with enhanced luminescence efficiency, which simultaneously exhibits excitation enhancement and emission enhancement of a light-emitting material by controlling two or multiple surface plasmon resonance bands of anisotropic metal nanoparticles to be formed in a near ultraviolet light range and a visible light range and optimizing overlapping of a wavelength of a near ultraviolet or blue light source with an absorption wavelength and an emission wavelength of the light-emitting material. There is also provided a light-emitting device with improved color gamut and luminance, which simultaneously exhibit emission enhancement of different types of light-emitting materials by controlling two or multiple surfaces plasmon resonance bands of anisotropic metal nanoparticles to be overlapped with absorption and emission wavelengths of two or more light-emitting materials having different emission wavelengths from one another.

    摘要翻译: 提供了一种具有增强的发光效率的发光器件,其通过控制将在近紫外光范围内形成的各向异性金属纳米颗粒的两个或多个表面等离子体共振带同时呈现发光材料的激发增强和发射增强, 可见光范围,并优化近紫外或蓝光源的波长与发光材料的吸收波长和发射波长的重叠。 还提供了一种具有改善的色域和亮度的发光装置,其通过控制各向异性金属纳米颗粒的等离子体共振带与吸收和发射波长重叠而同时呈现不同类型的发光材料的发射增强 具有彼此具有不同发射波长的两种或更多种发光材料。

    Separation method of aromatic compounds comprising simulated moving bed xylene mixture pre—treatment process and additional xylene isomerization process
    30.
    发明授权
    Separation method of aromatic compounds comprising simulated moving bed xylene mixture pre—treatment process and additional xylene isomerization process 有权
    包括模拟移动床二甲苯混合物预处理工艺和另外的二甲苯异构化方法的芳族化合物的分离方法

    公开(公告)号:US08232442B2

    公开(公告)日:2012-07-31

    申请号:US12532728

    申请日:2007-10-31

    IPC分类号: C07C7/14

    摘要: Disclosed is a method for separating aromatic compounds using a simulated moving bed adsorptive chromatography and a crystallization process, 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 crystallization process for para-xylene separation, 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和结晶法分离芳香族化合物的方法,其包括作为非芳香族化合物除去法的环丁砜方法,苯/甲苯分馏法,芳香族化合物分选法,选择性甲苯 歧化过程,烷基转移过程,对二甲苯分离的结晶过程,模拟移动床对二甲苯分离过程和二甲苯异构化过程,其特征在于还包括模拟移动床二甲苯混合物预处理过程和 另外的二甲苯异构化过程。 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。