4,4'-(1,2-Ethanediylbis(oxy))bis(3-chlorobenzoic) acid | 57101-71-0

• 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: 4,4'-(1,2-Ethanediylbis(oxy))bis(3-chlorobenzoic) acid
• 英文别名: 4-[2-(4-carboxy-2-chlorophenoxy)ethoxy]-3-chlorobenzoic acid
• CAS: 57101-71-0
• 化学式: C₁₆H₁₂Cl₂O₆
• 分子量: 371.2
• InChiKey: BLTVSIJVJFEGQK-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.9
• 重原子数：
  24
• 可旋转键数：
  7
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.12
• 拓扑面积：
  93.1
• 氢给体数：
  2
• 氢受体数：
  6

文献信息

• Polyethylene terephthalate film, process for the production thereof and magnetic recording medium therefrom
  申请人：TORAY INDUSTRIES, INC.

  公开号：EP0086302A1

  公开（公告）日：1983-08-24

  Disclosed are a polyethylene terephthalate film having the sum of F-5 values in longitudinal and transverse directions of 3500 to 5000 kg/cm2, absolute shrinkages in lon- gltudinal and transverse directions at 100°C of up to 2.5% and an amorphous orientation factor of -1.5 to 0.5, a process for the production of the film and a magnetic recording medium having the film as a base. A polyethylene terephthalate film useful as a magnetic recording medium having super high-tensile strengths in both longitudinal and transverse directions and a low heat shrinkage is provided, while it has been considered that such properties could not be obtained in polyethylene terephthalate films.

  本发明公开了一种聚对苯二甲酸乙二醇酯薄膜，其纵向和横向的 F-5 值之和为 3500 至 5000 kg/cm2，100°C 时纵向和横向的绝对收缩率最高为 2.5%，无定形取向因子为-1.5 至 0.5，还公开了生产该薄膜的工艺和以该薄膜为基材的磁记录介质。本发明提供了一种可用作磁记录介质的聚对苯二甲酸乙二醇酯薄膜，该薄膜在纵向和横向上都具有超高的抗拉强度和低热收缩性，而人们一直认为聚对苯二甲酸乙二醇酯薄膜无法获得这些特性。
• AROMATIC POLYESTERS WITH GOOD HEAT RESISTANCE
  申请人：TORAY INDUSTRIES, INC.

  公开号：EP0275324A1

  公开（公告）日：1988-07-27

  Polyesters capable of giving moldings having excellent flowability, heat resistance, and mechanical properties. The polyesters are prepared by copolymerizing a specific amount of a polyester comprising p-hydroxybenzoic acid, 4,4'-dihydroxybiphenyl or hydroquinone and terephthalic acid or both therephthalic acid and isophthalic acid with a specific amount of a specific dihydroxy compound such as t-butylhydroquinone, phenylhydroquinone or the like.

  能使成型品具有优异流动性、耐热性和机械性能的聚酯。这种聚酯的制备方法是将一定量的聚酯（包括对羟基苯甲酸、4,4'-二羟基联苯或对苯二酚和对苯二甲酸或对苯二甲酸和间苯二甲酸）与一定量的二羟基化合物（如叔丁基对苯二酚、苯基对苯二酚或类似物质）进行共聚。
• BIAXIALLY ORIENTED POLYESTER FILM
  申请人：TORAY INDUSTRIES, INC.

  公开号：EP0314785A1

  公开（公告）日：1989-05-10

  Biaxially oriented polyester film, which comprises a polymer blend of polyester (A) having repeating units of general formula (I) and a copolyester (B) having repeating units of the general formulae (I) and (II) and/or (III) and having a flow-initiating temperature of not higher than 350°C and an ability of forming melting anisotropy, with the reduced molar fraction of (II) and (III) based on the total polymer blend being 0.5 to 18 mol %. In formula (I), n represents 2, 4 or 6, R represents α, β and ψ (wherein X represents H or Cl, with at least one otthem being Cl). In formulae (II)and (III), R', R" and R111 each represents a group selected from among 1,3-phenylene, 1,4-phenylene, 2,6-naphthylene, 2,7-napthylene, 8, ε and γ. One crystal surface of polyester (A) is oriented with respect to the film surface with a surface orientation coefficient of 0.75 to 0.95 and a crystal size of 35 to 75 Å in the direction of the crystal surface.

  双向拉伸聚酯薄膜，它由具有通式(I)重复单元的聚酯(A)和具有通式(I)和(II)和/或(III)重复单元的共聚聚酯(B)的聚合物混合物组成，具有不高于350℃的流动引发温度和形成熔融各向异性的能力，(II)和(III)在聚合物混合物总量中的减少摩尔分数为0.5至18摩尔%。在式(I)中，n 代表 2、4 或 6，R 代表 α、β 和 ψ（其中 X 代表 H 或 Cl，其中至少一个是 Cl）。在式(II)和(III)中，R'、R "和 R111 各自代表选自 1,3-亚苯基、1,4-亚苯基、2,6-萘、2,7-萘、8、ε 和 γ 的基团。聚酯 (A) 的一个晶面相对于薄膜表面的取向系数为 0.75 至 0.95，晶面方向上的晶体尺寸为 35 至 75 Å。
• Flame-retardant liquid crystalline polyester composition, process for preparation thereof and injection-molded article composed thereof
  申请人：TORAY INDUSTRIES, INC.

  公开号：EP0398624A2

  公开（公告）日：1990-11-22

  Disclosed is a flame-retardant liquid crystal polyester composition, which comprises (A) 100 wt. parts of a liquid crystal polyester comprising structural units of the following formulae (I), (II), (III) and (IV), in which the amount of units (I) and (II) is 77 to 95 mole% based on the sum of units (I), (II) and (III), the amount of units (III) is 23 to 5 mole% based on the sum of units (I), (II) and (III), and the units (I)/units (II) molar ratio is 75/25 - 95/5 and (B) 0.5 to 30 wt. parts of a polymeric flame retardant having an average dispersed particle diameter not larger than 2.5 µm: (̵O-R₁-O)̵      (II), (̵OCH₂CH₂-O)̵      (III), and (̵CO-R₂-CO)̵      (IV) wherein R₁ and R₂ are specific aromatic residues. This composition gives a molded article having a superior flame retardancy, heat resistance, mechanical properties, and appearance.

  本发明公开了一种阻燃液晶聚酯组合物，该组合物包括 (A) 100 重量份的液晶聚酯，该液晶聚酯由以下式子的结构单元组成：(I)、(II)、(III) 和 (IV)。(I)、(II)、(III)和(IV)结构单元的液晶聚酯，其中单元(I)和(II)的量为单元(I)、(II)和(III)之和的 77 至 95 摩尔%，单元(III)的量为单元(I)、(II)和(III)之和的 23 至 5 摩尔%，单元(I)/单元(II)摩尔比为 75/25 - 95/5；以及 (B) 0.5 至 30 重量份的聚合物阻燃剂，其平均分散颗粒直径不大于 2.5 微米： (̵o-r₁-o)̵ (ii)、 (̵OCH₂CH₂-O)̵ (III)，以及 (̵co-r₂-co)̵ (iv) 其中 R₁ 和 R₂ 是特定的芳香残基。 这种组合物使模塑制品具有优异的阻燃性、耐热性、机械性能和外观。
• Ester linkage containing polymers for use in pharmaceutical preparations
  申请人：KANEGAFUCHI KAGAKU KOGYO KABUSHIKI KAISHA

  公开号：EP0542299A2

  公开（公告）日：1993-05-19

  A polyester represented by the following general formula (I) and a copolymer which comprises two structural units represented by the following general formulae (I') and (II). and a coating material for use in large intestine-selective drug release pharmaceutical preparations, which contains the above polyester and/or copolymer are disclosed. The polyester and copolymer of the present invention contain a saccharide residue which is hydrolyzed and/or assimilated specifically in the large intestine, drugs contained in solid oral pharmaceutical preparations coated with the coating material of the present invention are not decomposed or absorbed by digestive organs other than the large intestine, but instead are released selectively and therefore in a high concentration in the large intestine.

  由以下通式（I）表示的聚酯和由以下通式（I'）和（II）表示的两个结构单元组成的共聚物。 以及一种用于大肠选择性药物释放药物制剂的包衣材料，其中包含上述聚酯和/或共聚物。本发明的聚酯和共聚物含有专门在大肠中被水解和/或同化的糖残基，涂有本发明包衣材料的固体口服药物制剂中所含的药物不会被大肠以外的消化器官分解或吸收，而是选择性地释放出来，因此在大肠中的浓度较高。