中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

706 records (took 0.026 seconds)

    Solid catalyst component for olefin polymerization, process for producing the same, process for producing catalyst for olefin polymerization, and process for producing olefin polymer
    81.
    发明申请
    Solid catalyst component for olefin polymerization, process for producing the same, process for producing catalyst for olefin polymerization, and process for producing olefin polymer 失效
    用于烯烃聚合的固体催化剂组分，其制备方法，用于生产烯烃聚合催化剂的方法，和烯烃聚合物的制备方法

    公开(公告)号：US20030065111A1

    公开(公告)日：2003-04-03

    申请号：US10207762

    申请日：2002-07-31

    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED

    Inventor： Ken Yoshimura ,  Shin-Ichi Kumamoto ,  Makoto Satoh

    IPC: C08F004/44 ,  B01J031/00

    CPC classification number: C08F297/083 ,  C08F10/00 ,  C08F110/06 ,  C08F297/08 ,  C08F4/6565 ,  C08F2500/17 ,  C08F2500/18

    Abstract: There is provided a process for producing a catalyst for olefin polymerization, which comprises the step of contacting (1) an organoaluminum compound, (2) an external electron donor compound and (3) a solid catalyst component obtained by a process comprising the steps of; (i) reducing a titanium compound represented by the following formula nullInull with an organomagnesium compound in the presence of a fine particle and an organosilicon compound having an SinullO bond to obtain a solid product, and (ii) contacting the solid product, a halogenocompound having halogenation ability and an internal electron donor compound to obtaining the solid catalyst component. 1

    Abstract translation: 提供了一种用于生产烯烃聚合催化剂的方法，其包括使（1）有机铝化合物，（2）外部电子给体化合物和（3）通过包括以下步骤的方法获得的固体催化剂组分：（1） ; （i）在微粒和具有Si-O键的有机硅化合物的存在下，用有机镁化合物还原由下式[I]表示的钛化合物，得到固体产物，和（ii）使固体产物 具有卤化能力的卤化合物和内部电子给体化合物以获得固体催化剂组分。

    Catalyst components for the polymerization of olefins
    84.
    发明申请
    Catalyst components for the polymerization of olefins 有权
    用于烯烃聚合的催化剂组分

    公开(公告)号：US20030060581A1

    公开(公告)日：2003-03-27

    申请号：US10149306

    申请日：2002-06-10

    Inventor： Giampiero Morini ,  Giulio Balbontin

    IPC: C08F004/44 ,  B01J031/00

    CPC classification number: C08F10/00 ,  C08F4/651 ,  C08F4/6545

    Abstract: The present invention relates to catalyst components for the polymerization of olefins comprising Mg, Ti, halogen and at least two electron donor compounds, said catalyst component being characterized by the fact that at least one of the electron donor compounds, present in an amount from 20 to 50% by mol with respect to the total amount of donors, is selected from esters of succinic acids which are not extractable, for more than 25% by mol and at least another electron donor compound which is extractable, for more than 35%. The said catalyst component are capable to give polymers with high xylene insolubility, high stereoblock content and broad MWD suitable for making the polymers usable in the BOPP sector.

    Abstract translation: 本发明涉及包含Mg，Ti，卤素和至少两种电子给体化合物的烯烃聚合的催化剂组分，所述催化剂组分的特征在于至少一种电子给体化合物的存在量为20 相对于供体总量为50摩尔％，选自不可提取的琥珀酸的酯，超过25摩尔％的至少另一种可提取的电子给体化合物，超过35％。 所述催化剂组分能够产生具有高二甲苯不溶性，高立体嵌段含量和宽MWD的聚合物，其适用于使聚合物可用于BOPP部分。

    Catalyst for use in producing lower aliphatic carboxylic acid ester, process for producing the catalyst, and process for producing lower aliphatic carboxylic and ester using the catalyst
    86.
    发明申请
    Catalyst for use in producing lower aliphatic carboxylic acid ester, process for producing the catalyst, and process for producing lower aliphatic carboxylic and ester using the catalyst 审中-公开
    用于制备低级脂族羧酸酯的催化剂，用于制备催化剂的方法，以及使用该催化剂制备低级脂族羧酸和酯的方法

    公开(公告)号：US20030054945A1

    公开(公告)日：2003-03-20

    申请号：US09958271

    申请日：2001-10-09

    Inventor： Etsuko Kadowaki ,  Kousuke Narumi ,  Hiroshi Uchida

    IPC: B01J031/00

    CPC classification number: C07C67/04 ,  B01J27/188 ,  C07C69/14

    Abstract: A catalyst for use in producing a lower aliphatic carboxylic acid ester, which can exhibit high initial activity and high space time yield, ensure a sufficiently long catalyst life in the industrial practice, and reduce the production of by-products; a process for producing the catalyst; and a process for producing a lower aliphatic carboxylic acid ester using the catalyst. The catalyst is produced by a process comprising a step of contacting the catalyst with a gas containing at least one member selected from water, a lower aliphatic carboxylic acid and a lower aliphatic alcohol.

    Abstract translation: 用于生产低初级活性和高空时产率的低级脂族羧酸酯的催化剂确保在工业实践中足够长的催化剂寿命，并减少副产物的生产; 催化剂的制造方法; 以及使用该催化剂制造低级脂肪族羧酸酯的方法。 催化剂通过包括使催化剂与含有选自水，低级脂族羧酸和低级脂族醇中的至少一种的气体接触的步骤的方法制备。

    Preparation of biphenols by oxidative coupling of alkylphenols using a recyclable copper catalyst
    87.
    发明申请
    Preparation of biphenols by oxidative coupling of alkylphenols using a recyclable copper catalyst 失效
    通过使用可回收的铜催化剂氧化偶合烷基酚制备联苯酚

    公开(公告)号：US20030050515A1

    公开(公告)日：2003-03-13

    申请号：US10228020

    申请日：2002-08-26

    Inventor： Gregory Kaplan

    IPC: C07C037/58 ,  B01J031/00

    CPC classification number: C07C37/11 ,  C07C37/07 ,  C07C37/50 ,  Y02P20/582 ,  Y02P20/584 ,  C07C39/15

    Abstract: A method for producing biphenols by oxidative coupling of dialkylphenols which proceeds in two stages using a copper amine complex which is catalytically effective in each stage is disclosed. A novel copper amine complex is also disclosed wherein the complex exhibits high catalytic activity for the oxidative coupling of substituted phenols under mild conditions, has dual (two stage) activity and can be readily recycled and reused.

    Abstract translation: 公开了通过使用在每个阶段中催化有效的铜胺络合物在两个阶段中进行的二烷基酚的氧化偶联生产双酚的方法。 还公开了一种新的铜胺络合物，其中络合物在温和条件下对取代的酚的氧化偶联显示出高催化活性，具有双重（两个阶段）活性，并且可以容易地再循环和重复使用。

    Process for preparing a catalyst support for polymerization of alpha-olefins, and support thus obtained
    88.
    发明申请
    Process for preparing a catalyst support for polymerization of alpha-olefins, and support thus obtained 失效
    制备α-烯烃聚合催化剂载体的方法和由此获得的载体

    公开(公告)号：US20030050412A1

    公开(公告)日：2003-03-13

    申请号：US10278817

    申请日：2002-10-24

    Inventor： Thierry Saudemont ,  Jean Malinge ,  Jean-Loup Lacombe ,  Daniel Cochard ,  Henri Violle

    IPC: C08F004/44 ,  B01J031/00

    CPC classification number: C08F10/00 ,  C08F110/06 ,  C08F4/651 ,  C08F4/02 ,  C08F4/6555 ,  C08F2500/24 ,  C08F2500/12 ,  C08F2500/04

    Abstract: A process is provided for preparing a catalyst support for polymerizing null-olefins comprising the steps of: (i) reacting, in the presence of a first electron donor, a chlorine-containing organic compound and a prior mixture of an alkylmagnesien and an aluminoxane and/or aluminosiloxane and/or alkylaluminum and, optionally, a second electron donor; and (ii) activating a product from step (i) in suspension in an inert liquid by means of an activation electron donor, together with the support thus obtained, a catalyst for polymerizing null-olefins, comprising this catalyst support and a group IV transition metal halide, and a process for polymerizing null-olefins, particularly propylene, comprising contacting the null-olefin with the catalyst.

    Abstract translation: 提供了一种制备用于聚合α-烯烃的催化剂载体的方法，包括以下步骤：（i）在第一电子给体存在下使含氯有机化合物和烷基胺和铝氧烷的先前混合物和 /或铝硅氧烷和/或烷基铝和任选的第二电子给体; 和（ii）通过活化电子给体将惰性液体中的步骤（i）中的产物与由此获得的载体一起活化用于聚合α-烯烃的催化剂，其包含该催化剂载体和IV族转化 金属卤化物，以及聚合α-烯烃，特别是丙烯的方法，包括使α-烯烃与催化剂接触。

    Pre-polymerized catalyst components for the polymerization of olefins
    89.
    发明申请
    Pre-polymerized catalyst components for the polymerization of olefins 有权
    用于烯烃聚合的预聚合催化剂组分

    公开(公告)号：US20030040427A1

    公开(公告)日：2003-02-27

    申请号：US10030466

    申请日：2002-01-08

    Inventor： Mario Sacchetti ,  Diego Brita ,  Gianni Collina

    IPC: B01J031/00 ,  C08F004/44

    CPC classification number: C08F4/6492 ,  C08F4/6555 ,  C08F4/6567 ,  C08F110/02 ,  C08F110/06 ,  C08F2500/18 ,  C08F2500/07 ,  C08F2500/12

    Abstract: Catalyst components for the preparation of ethylene (co)polymers capable to produce polymers with high bulk density, to avoid the problems of formation of fines and that have a high activity are provided. Said catalyst components are characterized by comprising a non-stereospecific solid catalyst component, comprising a titanium compound and a magnesium dihalide, which is pre-polymerized with an alpha olefin CH2nullCHR1 wherein R is a C1-C8 alkyl group, to such an extent that the amount of the null-olefin pre-polymer is up to 100 g per g of said solid catalyst component.

    Abstract translation: 提供了用于制备能够生产具有高堆积密度的聚合物的乙烯（共）聚合物的催化剂组分，以避免细粉形成和具有高活性的问题。 所述催化剂组分的特征在于包含非立体特异性固体催化剂组分，其包含钛化合物和二卤化镁，其与R 1为C 1 -C 8烷基的α烯烃CH 2 = CHR 1进行预聚合， α-烯烃预聚物的量高达100g每g所述固体催化剂组分。

Patent Agency Ranking