Bis(4-ethoxybutan-2-yl) carbonate

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 有机碳酸及其衍生物
• 英文名称: Bis(4-ethoxybutan-2-yl) carbonate
• 英文别名: bis(4-ethoxybutan-2-yl) carbonate
• 化学式: C₁₃H₂₆O₅
• 分子量: 262.34
• InChiKey: SPISXVYUJBDHJL-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.5
• 重原子数：
  18
• 可旋转键数：
  12
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.92
• 拓扑面积：
  54
• 氢给体数：
  0
• 氢受体数：
  5

文献信息

• SOLID CATALYST COMPONENT FOR POLYMERIZATION OF OLEFIN, CATALYST FOR POLYMERIZATION OF OLEFIN, AND METHOD FOR PRODUCING OLEFIN POLYMER
  申请人：Toho Titanium CO., LTD.

  公开号：EP2759552A1

  公开（公告）日：2014-07-30

  A solid catalyst component for olefin polymerization includes titanium, magnesium, a halogen, and a compound represented by the following formula (1): R1O-C(=O)-O-Z-OR2, and an olefin polymerization catalyst includes the solid catalyst component, an organoaluminum compound, and an optional external electron donor compound. An olefin polymer that has a moderate molecular weight distribution while maintaining high stereoregularity can be produced by utilizing the solid catalyst component and the olefin polymerization catalyst.

  用于烯烃聚合的固体催化剂组分包括钛、镁、卤素和下式（1）所代表的化合物：R1O-C(=O)-O-Z-OR2，烯烃聚合催化剂包括固体催化剂组分、有机铝化合物和任选的外部电子供体化合物。利用固体催化剂组分和烯烃聚合催化剂，可以生产出分子量分布适中，同时保持较高立体规整度的烯烃聚合物。
• SOLID CATALYST COMPONENT FOR POLYMERIZATION OF OLEFINS, CATALYST FOR POLYMERIZATION OF OLEFINS, AND METHOD FOR PRODUCING OLEFIN POLYMER
  申请人：Toho Titanium CO., LTD.

  公开号：EP2902418A1

  公开（公告）日：2015-08-05

  A solid catalyst component for olefin polymerization makes it possible to polymerize an olefin with high polymerization activity when used for an olefin polymerization catalyst, and produce an olefin polymer having a low fine powder content, a low coarse powder content, and a low volatile organic compound (VOC) content in high yield. The solid catalyst component for olefin polymerization is produced by suspending (a) a dialkoxymagnesium, and (b) at least one alcohol selected from ethanol, n-propanol, n-butanol, isopropanol, isobutanol, and t-butanol, in an inert organic solvent so that the total amount of the alcohol is 0.5 to 1.5 parts by mass based on 100 parts by mass of the dialkoxymagnesium, to prepare a suspension, and bringing (c) an internal electron donor and (d) a titanium halide compound into contact with the suspension.

  一种用于烯烃聚合的固体催化剂组分可使烯烃聚合催化剂具有较高的聚合活性，并能高产率地生产出细粉含量低、粗粉含量低和挥发性有机化合物（VOC）含量低的烯烃聚合物。用于烯烃聚合的固体催化剂组分是通过在惰性有机溶剂中悬浮 (a) 二羰基镁和 (b) 至少一种选自乙醇、正丙醇、正丁醇、异丙醇、异丁醇和正丁醇的醇，使醇的总量为 0.5 至 1.5 质量份（以 100 质量份的二烷氧基镁为基准），以制备悬浮液，并使(c) 内部电子供体和(d) 卤化钛化合物与悬浮液接触。
• CATALYST FOR OLEFIN POLYMERIZATION, METHOD FOR PRODUCING OLEFIN POLYMER, AND PROPYLENE/ -OLEFIN COPOLYMER
  申请人：Toho Titanium Co., Ltd.

  公开号：EP3623393A1

  公开（公告）日：2020-03-18

  Provided is a catalyst for polymerization of an olefin which can prepare, with high productivity, a polymer having excellent hydrogen activity and high stereoregularity and MFR even in homopolymerization at a high temperature, and is also capable of producing a copolymer that achieves excellent hydrogen activity and copolymerization activity even in copolymerization at a high temperature and is excellent in impact resistance. The present invention provides a catalyst for polymerization of an olefin, comprising a compound represented by the general formula R1R2Si(NHR3)2 wherein R1 is a cycloalkyl group having 3 to 12 carbon atoms or an aromatic hydrocarbon group having 6 to 12 carbon atoms; R2 is a linear alkyl group having 1 to 10 carbon atoms or a branched alkyl group having 3 to 10 carbon atoms; the number of carbon atoms of R1 is larger by 2 or more than that of R2; and R3 is a linear alkyl group having 2 to 6 carbon atoms, a branched alkyl group having 3 to 6 carbon atoms or a cycloalkyl group having 3 to 6 carbon atoms, as an external electron-donating compound.

  本发明提供了一种用于烯烃聚合的催化剂，它能以高生产率制备即使在高温下均聚时也具有优异氢活性和高立体规整度及MFR的聚合物，还能制备即使在高温下共聚时也具有优异氢活性和共聚活性以及优异抗冲击性的共聚物。本发明提供了一种用于烯烃聚合的催化剂，包括通式 R1R2Si(NHR3)2 所代表的化合物 其中 R1 是具有 3 至 12 个碳原子的环烷基或具有 6 至 12 个碳原子的芳香烃基；R2 是具有 1 至 10 个碳原子的直链烷基或具有 3 至 10 个碳原子的支链烷基；R1 的碳原子数比 R2 的碳原子数多 2 个或 2 个以上；以及 R3 是具有 2 至 6 个碳原子的直链烷基、具有 3 至 6 个碳原子的支链烷基或具有 3 至 6 个碳原子的环烷基，作为外部电子供体化合物。
• 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。