methyl isobutyl terephthalate

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: methyl isobutyl terephthalate
• 英文别名: Terephthalic acid, isobutyl methyl ester；1-O-methyl 4-O-(2-methylpropyl) benzene-1,4-dicarboxylate
• 化学式: C₁₃H₁₆O₄
• 分子量: 236.268
• InChiKey: WBNCJBMUOHNNSW-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.6
• 重原子数：
  17
• 可旋转键数：
  6
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.38
• 拓扑面积：
  52.6
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为产物：
  描述：

  对苯二甲酸二甲酯 、 异丁醇 在 Nafion resin 作用下， 生成 二异丁基对苯二甲酸酯 、 methyl isobutyl terephthalate
  参考文献：
  名称：

  一种对苯二甲酸二酯的低熔点混合物的制备方法

  摘要：

  本发明涉及一种对苯二甲酸正丁·异丁酯的制备方法以及一种对苯二甲酸二酯的低熔点混合物的制备方法，以对苯二甲酸二甲酯以及正丁醇和异丁醇的混合液为原料，并以耐高温酸性树脂为催化剂，克服了现有专利技术中产品较难分离、分离工序多、废液多等缺点，方法过程使用的仪器设备简单，而且操作步骤简便并具有目标产品收率高的特点。

  公开号：

  CN105693519A

文献信息

• Method for producing polyolefins
  申请人：IDEMITSU PETROCHEMICAL CO. LTD.

  公开号：EP0206172A1

  公开（公告）日：1986-12-30

  A method for producing a polyolefin is disclosed which comprises polymerizing an a-olefin in the presence of a catalyst composition comprising (A) a solid catalyst component prepared by contacting (a) a solid component comprising a magnesium alkoxide and/or a magnesium salt of a fatty acid supported on an inorganic oxide composed of at least one member selected from the group consisting of oxides of elements belonging to Groups II, III and IV of the periodic table and/or a composite inorganic oxide containing at least one member selected from the group consisting of oxides of elements belonging to Groups II, III and IV of the periodic table, the inorganic oxide or composite inorganic oxide having a surface hydroxide concentration of 3 µmol/m2 or less, (b) an electron donating compound and (c) a titanium halide, (B) an organic metal compound, and (C) an electron donating compound. According to the method, a step of removing the catalyst residue from the polypropylene produced can be eliminated and the products have well balanced mechanical strength such as stiffness and impact strength.

  本发明公开了一种生产聚烯烃的方法，该方法包括在催化剂组合物存在下聚合 a-烯烃，该催化剂组合物包括(A)固体催化剂组分，该固体催化剂组分通过与(a)固体组分接触制备，该固体组分包括支撑在无机氧化物上的烷氧化镁和/或脂肪酸镁盐，该无机氧化物由至少一种选自元素周期表中属于第 II、III 和 IV 族的元素的氧化物所组成的组的成员组成，和/或含有至少一种选自元素周期表中属于第 II、III 和 IV 族的元素的氧化物所组成的组的成员的复合无机氧化物、或复合无机氧化物，该无机氧化物或复合无机氧化物的表面氢氧化物浓度为 3 µmol/m2 或更低，(b)电子捐赠化合物和(c)卤化钛，(B)有机金属化合物和(C)电子捐赠化合物。 根据该方法，可以省去从生产的聚丙烯中去除催化剂残留物的步骤，产品具有良好的机械强度平衡，如刚度和冲击强度。
• Method for producing butene-1 polymer
  申请人：IDEMITSU PETROCHEMICAL CO. LTD.

  公开号：EP0257131A2

  公开（公告）日：1988-03-02

  A process for producing a butene-1 polymer is disclosed which is characterized in that, in a process for producing a homopolymer of butene-1 or a copolymer of butene-1 and an α-­olefin other than the butene-1 in the presence a catalyst obtained from a solid catalyst component (A), an organic aluminium compound (B) and an electron donating compound (C) and under the condition of vapor phase polymerization, the solid catalyst component (A) is a non-layer solid catalyst component obtained by producing a carrier by chlorinating at least one kind of organic magnesium compounds represented by formula MgRʹRʺ (1) wherein Rʹ and Rʺ, which may be the same or different, each represent an alkyl group having 1 to 20 carbon atoms, with at least one kind of chlorinating agents, the carrier produced is contacted in the presence of the electron donor with a titanic halide at a temperature of -25 to + 180°C, and the electron donating compound (C) is a heterocyclic compound represented by wherein R¹ and R⁴ each represent a hydrocarbon group, and R², R³ and R⁵ each represent a hydrogen atom or a hydrocarbon group, and reaction temperature as the vapor phase polymerization condition is from 45 to 70°C.

  本发明公开了一种生产丁烯-1聚合物的工艺，其特征在于，在由固体催化剂组分(A)、有机铝化合物(B)和电子捐赠化合物(C)得到的催化剂存在下，在气相聚合条件下，生产丁烯-1均聚物或丁烯-1与丁烯-1以外的α-烯烃共聚物的工艺中，固体催化剂组分(A)是通过氯化至少一种由式表示的有机镁化合物生产载体而得到的非层状固体催化剂组分。 MgRʹRʺ (1) 其中 Rʹ和 Rʺ（可以相同或不同）分别代表具有 1 至 20 个碳原子的烷基，与至少一种氯化剂一起，在电子供体存在的情况下，在-25 至 + 180°C 的温度下，将所生产的载体与卤化钛接触，电子供体化合物 (C) 是由以下式子表示的杂环化合物 其中 R¹ 和 R⁴ 各代表一个烃基，R²、R³ 和 R⁵ 各代表一个氢原子或烃基，作为气相聚合条件的反应温度为 45 至 70°C。
• Composition of polybutene-1 and process for preparing same
  申请人：IDEMITSU PETROCHEMICAL COMPANY LIMITED

  公开号：EP0419874A2

  公开（公告）日：1991-04-03

  Disclosed is a composition of polybutene-1 comprised of a polymer resulting from preliminarily polymerization of a small amount of an α -olefin, which has an intrinsic viscosity [η ]p of 7 dl/gram or lower, as measured at 135°C in a decalin solution; and a homopolymer of butene-1 or a copolymer of butene-1 and 20% by weight of an α -olefin other than butene-1, the composition of polybutene-1 having an intrinsic viscosity [ η ]t of 0.5 - 7.0 dl/gram, when measured at 135 °C in a decalin solution, and satisfying the following relationship with respect to the intrinsic viscosity [η ]p: [η ]p ≦ 2.5 x [η ]r. The composition is prepared by preliminarily polymerizing the α -olefin in the presence of a catalyst obtainable from a solid catalyst component containing magnesium, a halogen and titanium, an organoaluminium compound and an electron donor to be added as needed, and hydrogen, yielding a polymer resulting from preliminary polymerization having the intrinsic viscosity [η ]p of 7 dl/gram or less, as measured at 135 °C in a decalin solution; and then by polymerizing butene-1 or a mixture of butene-1 and an α -olefin other than butene-1 with the polymer resulting from preliminary polymerization in the presence of the catalyst used in preliminary polymerization and a catalyst obtainable from the organoaluminium compound and the electron donor so as to contain the polymer resulting from preliminary polymerization at a rate ranging from 0.005% to 5.0% by weight with respect to the weight of the composition of polybutene-1. The composition provides resulting films with highly improved appearance and with a lesser number of gel and fish eyes.

  本发明公开了一种聚丁烯-1 的组合物，该组合物由少量 α - 烯烃初步聚合而成的聚合物组成，α - 烯烃的固有粘度[η ]p 为 7 分升/克或更低，在 135°C 的癸醛溶液中测量；以及丁烯-1 的均聚物或丁烯-1 与 20%（重量）除丁烯-1 之外的 α - 烯烃的共聚物，聚丁烯-1 的组成具有 0.5 - 7.0 分升/克，在 135 °C癸醛溶液中测量，并满足以下与固有粘度[η ]p 的关系：[η ]p ≦ 2.5 x [η ]r。本发明组合物的制备方法是：在含有镁、卤素和钛、有机铝化合物和电子供体的固体催化剂组分以及氢的存在下，使 α - 烯烃初步聚合，得到的初步聚合聚合物的固有粘度[η ]p 为 7 分升/克或更低，该粘度是在 135℃的癸醛溶液中测得的；然后将丁烯-1 或丁烯-1 和除丁烯-1 之外的 α 烯烃的混合物与初步聚合所得聚合物在初步聚合所用催化剂和可从有机铝化合物和电子供体中获得的催化剂存在下进行聚合，以便以 0.005% 至 5.0% （按聚丁烯-1 组合物重量计）。这种组合物所制成的薄膜外观大为改善，凝胶和鱼眼的数量也较少。
• FLEXIBLE POLYPROPYLENE RESIN, PROPYLENE ELASTOMER COMPOSITION, AND PRODUCTION OF OLEFIN POLYMER
  申请人：IDEMITSU PETROCHEMICAL CO. LTD.

  公开号：EP0455813A1

  公开（公告）日：1991-11-13

  A flexible polypropylene resin suitable as thermoplastic elastomer, etc.; a propylene elastomer composition comprising said resin; and a process for producing an olefin polymer to be used in the production of said resin and said composition. Said polypropylene resin is composed of specified boiling heptane-soluble polypropylene and boiling heptane-insoluble polypropylene. Said elastomer composition is composed of said polypropylene resin and an ethylene/propylene copolymer or an ethylene/propylene/polyene copolymer. Said production process comprises conducting solvent-less polymerization such as vapor-phase one-step or multistep polymerization in the presence of a specified catalyst.

  一种适用于热塑性弹性体等的柔性聚丙烯树脂；一种由所述树脂组成的丙烯弹性体组合物；以及一种用于生产所述树脂和组合物的烯烃聚合物的生产工艺。 所述聚丙烯树脂由特定的沸腾庚烷可溶聚丙烯和沸腾庚烷不溶聚丙烯组成。 所述弹性体组合物由所述聚丙烯树脂和乙烯/丙烯共聚物或乙烯/丙烯/聚烯共聚物组成。 所述生产工艺包括在特定催化剂存在下进行无溶剂聚合，如气相一步法或多步法聚合。
• A polyolefinic resin and a resin composition comprising said resin
  申请人：IDEMITSU PETROCHEMICAL CO., LTD.

  公开号：EP0606618A2

  公开（公告）日：1994-07-20

  A polyolefinic resin which is a homopolymer of an olefin or a copolymer of olefins, has (i) intrinsic viscosity [η] measured in decaline at the temperature of 135°C in the range of 0.5 to 10 deciliter/g and (ii) content of insoluble fraction in boiling n-heptane (W) in the range of 10 to 99 weight % and shows (iii) relation between relaxation time of rubber component measured by pulse NMR at the temperature of 30°C [T2HR (30): µs], relaxation time of rubber component measured by pulse NMR at the temperature of 80°C [T2HR (80): µs] and the content of insoluble fraction in boiling n-heptane (W) satisfying the following equations: T2H​R (80) ≦ 670 - 2.2 × W T2H​R (80) / T2H​R (30) ≦ 8.8 + 0.086 × W and a propylenic resin composition comprising (A) 10 to 95 weight % of the polyolefinic resin, particularly a propylenic resin which is at least one kind selected from a homopolymer of propylene and copolymers of propylene containing 4 mol % or less of other olefinic units, and (B) 90 to 5 weight % of a propylenic random copolymer having intrinsic viscosity [η] measured in decaline at the temperature of 135°C in the range of 0.5 to 10 deciliter/g and containing 10 to 80 mol % of olefinic units other than the propylenic unit are disclosed. The polyolefinic resin and the composition have high heat resistance and excellent mechanical properties in a wide range of modulus, show small temperature dependence of the mechanical properties and do not cause stickiness on the surface of molded articles.

  一种聚烯烃树脂，它是烯烃的均聚物或烯烃的共聚物，(i)在温度为 135℃的癸碱中测得的固有粘度[η]在 0.(ii)在沸腾的正庚烷（W）中不溶部分的含量在 10 至 99 重量百分比之间，并显示(iii)在 30°C 温度下通过脉冲核磁共振测量的橡胶成分弛豫时间[T2HR (30)：μs]、在 80°C 温度下通过脉冲核磁共振测量的橡胶成分弛豫时间[T2HR (80)：μs]和在沸腾的正庚烷（W）中不溶部分的含量之间的关系满足以下公式： T2HR (80) ≦ 670 - 2.2 × W t2hr (80) / t2hr (30) ≦ 8.8 + 0.086 × W 和一种丙烯树脂组合物，该组合物包含 (A) 10 至 95 重量％的聚烯烃树脂，特别是至少一种选自丙烯均聚物和含有 4 摩尔％或更少其他烯烃单元的丙烯共聚物的丙烯树脂，以及 (B) 90 至 5 重量％的丙烯无规共聚物，该丙烯无规共聚物在 135°C 温度下以癸碱性测量的固有粘度[η]在 0.5 至 10 分升/克，并含有 10 至 80 摩尔％的丙烯单元以外的烯烃单元。这种聚烯烃树脂和组合物具有较高的耐热性，在较宽的模量范围内具有优异的机械性能，机械性能的温度依赖性较小，并且不会在模塑制品表面产生粘性。