Dibutyl 2-benzylidenemalonate

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 肉桂酸及其衍生物
• 英文名称: Dibutyl 2-benzylidenemalonate
• 英文别名: dibutyl 2-benzylidenepropanedioate
• 化学式: C₁₈H₂₄O₄
• 分子量: 304.4
• InChiKey: PUXMGRWRNPUWCR-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.9
• 重原子数：
  22
• 可旋转键数：
  11
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.44
• 拓扑面积：
  52.6
• 氢给体数：
  0
• 氢受体数：
  4

文献信息

• SOLID CATALYST COMPONENT FOR OLEFIN POLYMERIZATION, CATALYST FOR OLEFIN POLYMERIZATION, AND METHOD FOR PRODUCING OLEFIN POLYMER
  申请人：Uozumi Toshiya

  公开号：US20140221583A1

  公开（公告）日：2014-08-07

  An olefin polymer that is obtained using an olefin polymerization catalyst that includes a solid catalyst component for olefin polymerization that includes titanium, magnesium, a halogen, and an ester compound (A) represented by the following formula (1): R 1 R 2 C═C(COOR 3 )(COOR 4 ), an organoaluminum compound, and an optional external electron donor compound, exhibits primary properties (e.g., molecular weight distribution and stereoregularity) similar to those of an olefin polymer obtained using a solid catalyst component that includes a phthalic ester as an electron donor.

  使用一种包括钛、镁、卤素和酯化合物(A)的固体催化剂组分（式子1：R1R2C═C(COOR3)(COOR4)）进行烯烃聚合得到的烯烃聚合物，加上有机铝化合物和可选的外部电子给体化合物，表现出与包括邻苯二甲酸酯作为电子给体的固体催化剂组分得到的烯烃聚合物相似的主要性质（如分子量分布和立构规则性）。
• METHOD FOR PRODUCING SOLID CATALYST COMPONENT FOR USE IN POLYMERIZATION OF OLEFIN, CATALYST FOR USE IN POLYMERIZATION OF OLEFIN, AND METHOD FOR PRODUCING OLEFIN POLYMER
  申请人：Toho Titanium CO., LTD.

  公开号：EP2876118A1

  公开（公告）日：2015-05-27

  A method for producing a solid catalyst component for olefin polymerization produces a novel solid catalyst component for olefin polymerization that achieves excellent olefin polymerization activity and activity with respect to hydrogen during polymerization, and can produce an olefin polymer that exhibits a high MFR, high stereoregularity, and excellent rigidity. The method includes a first step that brings a magnesium compound, a tetravalent titanium halide compound, and one or more first internal electron donor compounds selected from specific aromatic dicarboxylic diesters into contact with each other to effect a reaction, followed by washing, a second step that brings a tetravalent titanium halide compound and one or more second internal electron donor compounds into contact with a product obtained by the first step to effect a reaction, followed by washing, and a third step that brings one or more third internal electron donor compounds into contact with a product obtained by the second step to effect a reaction.

  一种生产烯烃聚合用固体催化剂组分的方法可生产出一种新型的烯烃聚合用固体催化剂组分，该组分具有优异的烯烃聚合活性和聚合过程中对氢的活性，并可生产出具有高MFR、高立体规整度和优异刚性的烯烃聚合物。该方法包括第一步，使镁化合物、四价卤化钛化合物和一种或多种选自特定芳香族二羧酸二酯的第一内部电子供体化合物相互接触以发生反应，然后进行洗涤、第二步：使四价卤化钛化合物和一种或多种第二内部电子供体化合物与第一步得到的产物接触，以发生反应，然后进行洗涤；第三步：使一种或多种第三内部电子供体化合物与第二步得到的产物接触，以发生反应。
• PRODUCTION METHOD FOR SOLID CATALYST COMPONENT FOR POLYMERIZING OLEFINS, CATALYST FOR POLYMERIZING OLEFINS, AND PRODUCTION METHOD FOR POLYMERIZED OLEFINS
  申请人：TOHO TITANIUM CO., LTD.

  公开号：EP2963063A1

  公开（公告）日：2016-01-06

  A method for producing a solid catalyst component for olefin polymerization produces a novel solid catalyst component for olefin polymerization that achieves excellent olefin polymerization activity and activity with respect to hydrogen during polymerization, and can produce an olefin polymer that exhibits a high MFR, high stereoregularity, and excellent rigidity. The method includes a first step that brings a magnesium compound, a tetravalent titanium halide compound, and one or more first internal electron donor compounds excluding an aromatic dicarboxylic acid diester into contact with each other to effect a reaction, followed by washing; a second step that brings a tetravalent titanium halide compound and one or more second internal electron donor compounds into contact with a product obtained by the first step to effect a reaction, followed by washing; and a third step that brings one or more third internal electron donor compounds into contact with a product obtained by the second step to effect a reaction.

  一种生产烯烃聚合用固体催化剂组分的方法可生产出一种新型的烯烃聚合用固体催化剂组分，该组分具有优异的烯烃聚合活性和聚合过程中对氢的活性，并可生产出具有高MFR、高立体规整度和优异刚性的烯烃聚合物。该方法包括第一步，使镁化合物、四价卤化钛化合物和一种或多种第一内部电子供体化合物（不包括芳香族二羧酸二酯）相互接触以发生反应，然后进行洗涤；第二步，使四价卤化钛化合物和一种或多种第二内部电子供体化合物与第一步得到的产物接触，以发生反应，然后进行洗涤；以及第三步，使一种或多种第三内部电子供体化合物与第二步得到的产物接触，以发生反应。
• CATALYST FOR OLEFIN POLYMERIZATION, METHOD FOR PRODUCING CATALYST FOR OLEFIN POLYMERIZATION, METHOD FOR PRODUCING OLEFIN POLYMER, AND PROPYLENE- -OLEFIN COPOLYMER
  申请人：Toho Titanium CO., LTD.

  公开号：EP3689918A1

  公开（公告）日：2020-08-05

  Provided is a catalyst for polymerization of an olefin which is excellent in sustained polymerization activity in the polymerization of an α-olefin and is capable of preferably producing an α-olefin (co)polymer having high stereoregularity and MFR and favorable moldability. The present invention provides a catalyst for polymerization of an olefin, comprising: a solid catalyst component containing magnesium, titanium, halogen and an internal electron-donating compound; an organoaluminum compound; and external electron-donating compounds being of two types of alkoxysilane compounds having specific structures represented by the general formula (I) and the general formula (II), respectively, wherein the catalyst for polymerization of an olefin comprises 51 to 99% by mol of the external electron-donating compound represented by the general formula (I) and 1 to 49% by mol of the external electron-donating compound represented by the general formula (II) with respect to the total amount of both the external electron-donating compounds.

  本发明提供了一种用于烯烃聚合的催化剂，它在α-烯烃聚合中具有优异的持续聚合活性，并且能够优选生产具有高立体规整度和 MFR 以及良好成型性的α-烯烃（共）聚合物。本发明提供了一种用于烯烃聚合的催化剂，包括含有镁、钛、卤素和内部电子供体化合物的固体催化剂组分； 有机铝化合物；通式(Ⅰ)和通式(Ⅱ)分别代表的两种烷氧基硅烷化合物，其中烯烃聚合催化剂包含通式(Ⅰ)代表的外部电子赋 予化合物 51%至 99%（摩尔）和通式(Ⅱ)代表的外部电子赋予化合物 1%至 49%（摩尔）。
• OLEFIN POLYMER AND METHOD FOR PRODUCING OLEFIN POLYMER
  申请人：TOHO TITANIUM CO., LTD.

  公开号：EP3783038A1

  公开（公告）日：2021-02-24

  Provided is a novel olefin polymer which is excellent in lightness and moldability, has high rigidity and yields molded products excellent in flexural elasticity. The olefin polymer comprises a propylene initial polymerization product formed in the presence of an olefin polymerization catalyst which is a contact reaction product of an olefin polymerization solid catalyst component containing a titanium atom, a magnesium atom, a halogen atom and an internal electron donating compound, at least one organoaluminum compound selected from the compounds of the general formula (I), and a first external electron donating compound; and a polypropylene part formed of a propylene polymerization product formed in the presence of the olefin polymerization catalyst and a second external electron donating compound higher in adsorption to the surface of the olefin polymerization solid catalyst component than the first external electron donating compound.

  本发明提供了一种新型烯烃聚合物，该聚合物具有优异的轻质和可模塑性、高硬度，并可获得挠曲弹性极佳的模塑产品。 该烯烃聚合物包括在烯烃聚合催化剂存在下形成的丙烯初始聚合产物，烯烃聚合催化剂是烯烃聚合固体催化剂组分的接触反应产物，烯烃聚合固体催化剂组分含有钛原子、镁原子、卤素原子和内部电子供体化合物，至少一种选自通式（I）化合物的有机铝化合物，以及第一外部电子供体化合物；以及由丙烯聚合产物形成的聚丙烯部分，该丙烯聚合产物是在烯烃聚合催化剂和第二种外部电子供体化合物的存在下形成的，第二种外部电子供体化合物在烯烃聚合固体催化剂组分表面的吸附力高于第一种外部电子供体化合物。