4-[2-(2-hydroxyethoxy)ethoxy]benzoic acid | 120703-11-9

• 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-[2-(2-hydroxyethoxy)ethoxy]benzoic acid
• CAS: 120703-11-9
• 化学式: C₁₁H₁₄O₅
• 分子量: 226.229
• InChiKey: ONHFLQUXXZFNSE-UHFFFAOYSA-N

物化性质

• 沸点：
  431.1±30.0 °C(Predicted)
• 密度：
  1.261±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.2
• 重原子数：
  16
• 可旋转键数：
  7
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.36
• 拓扑面积：
  76
• 氢给体数：
  2
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  4-[2-(2-hydroxyethoxy)ethoxy]benzoic acid 在 氯化亚砜 、 2,6-二叔丁基-4-甲基苯酚 、 对甲苯磺酸 、 N,N-二甲基甲酰胺 作用下， 以 氯仿 为溶剂， 反应 0.67h， 生成 2-[2-(4-carbonochloridoylphenoxy)ethoxy]ethyl prop-2-enoate
  参考文献：
  名称：

  Anisotropic Particles from LC Polymers for Optical Manipulation

  摘要：

  We have developed a method to convert 10 different LC acrylate monomers into colloids by dispersion polymerization. This yields nine different types of anisotropic colloids with nematic and different smectic phases. The diameter of these colloids mostly varied between 0.5 and 3.5 mu m; it can be adjusted by variation of the solvent mixture and it can be systematically increased by seed polymerization. The polydispersity of the anisotropic colloids is thereby often below 10%. Polarizing microscopy shows that colloids of a size between about 2 to 4 mu m appear to have a bipolar director configuration. Smaller colloids appear uniaxially oriented, the resolution does, however, not allow a more refined investigation of the director pattern. These anisotropic spheres (diameter between 0.7 and 3.7 mu m) can be trapped with an optical tweezers. Circularly polarized light transfers a torque to the particles, enabling one to rotate them clockwise and anticlockwise, which makes these spheres attractive as actuators. The size dependence of their rotational frequency makes it additionally possible to determine changes of the director configuration with size. For a nematic colloid ( P 6), it could be shown that the anisotropy stays constant from 1.6 to 3.4 mu m.

  DOI：

  10.1021/ma0613279
• 作为产物：
  描述：

  2-氯乙氧基乙醇 、 对羟基苯甲酸 在 氢氧化钾 、 potassium iodide 作用下， 以 乙醇 、 水 为溶剂， 反应 48.0h， 以40.5%的产率得到4-[2-(2-hydroxyethoxy)ethoxy]benzoic acid
  参考文献：
  名称：

  Anisotropic Particles from LC Polymers for Optical Manipulation

  摘要：

  We have developed a method to convert 10 different LC acrylate monomers into colloids by dispersion polymerization. This yields nine different types of anisotropic colloids with nematic and different smectic phases. The diameter of these colloids mostly varied between 0.5 and 3.5 mu m; it can be adjusted by variation of the solvent mixture and it can be systematically increased by seed polymerization. The polydispersity of the anisotropic colloids is thereby often below 10%. Polarizing microscopy shows that colloids of a size between about 2 to 4 mu m appear to have a bipolar director configuration. Smaller colloids appear uniaxially oriented, the resolution does, however, not allow a more refined investigation of the director pattern. These anisotropic spheres (diameter between 0.7 and 3.7 mu m) can be trapped with an optical tweezers. Circularly polarized light transfers a torque to the particles, enabling one to rotate them clockwise and anticlockwise, which makes these spheres attractive as actuators. The size dependence of their rotational frequency makes it additionally possible to determine changes of the director configuration with size. For a nematic colloid ( P 6), it could be shown that the anisotropy stays constant from 1.6 to 3.4 mu m.

  DOI：

  10.1021/ma0613279

文献信息

• Polymerizable liquid crystal compound and optical film
  申请人：——

  公开号：US20030072893A1

  公开（公告）日：2003-04-17

  This invention provides a polymerizable liquid crystal compound having a large value of An/n, excellent in coating properties on an alignment film and easily aligned. Disclosed is a polymerizable liquid crystal compound having at least one polymerizable reactive group and showing nematic liquid crystal properties, having a &Dgr;n/n value of 0.14 or more wherein n is average refractive index and &Dgr;n is extraordinary light refractive index (ne) minus ordinary light refractive index (no), and being aligned by application onto an alignment film.

  本发明提供了一种可聚合的液晶化合物，其具有较大的An/n值，在对齐膜上具有良好的涂覆性能并易于对齐。本发明揭示了一种可聚合的液晶化合物，具有至少一种可聚合反应基团，并显示向列型液晶性质，其具有&Dgr;n/n值大于等于0.14，其中n为平均折射率，&Dgr;n为非常规光折射率（ne）减去普通光折射率（no），并通过涂覆在对齐膜上进行对齐。
• BIAXIALLY ORIENTED POLYETHYLENE NAPHTHALATE COPOLYMER FILM
  申请人：TEIJIN LIMITED

  公开号：EP0922726A1

  公开（公告）日：1999-06-16

  A biaxially oriented film which is made substantially of (1) a polyethylene naphthalate copolymer comprising an ethylene naphthalate unit in an amount of 92 to 99.5 mol% based on all recurring units and at least one copolymer component selected from the group consisting of (a) a glycol having a fluorene skeleton in the molecule, (b) p-hydroxymethylbenzoic acid, (c) p-hydroxyethoxybenzoic acid and (d) p-hydroxyethoxyethoxybenzoic acid in an amount of 0.5 to 8 mol% based on the total of all dicarboxylic acid components, and which has (2) Young's moduli in both longitudinal and transverse directions of 500 kg/mm2 or more and (3) a delamination resistance of 10 % or less in terms of fold line whitening ratio. Since this biaxially oriented film of the present invention is excellent in delamination resistance, curling resistance, mechanical strength, color and transparency, it is of great value as a base film for a photo film.

  一种双向拉伸薄膜，它主要由以下物质制成：(1)聚萘二甲酸乙二醇酯共聚物，其中萘二甲酸乙二醇酯单元的含量为 92 至 99.5摩尔％，至少有一种共聚组分选自以下组别：(a)分子中含有芴骨架的乙二醇，(b)对羟甲基苯甲酸，(c)对羟乙氧基苯甲酸和(d)对羟乙氧基乙氧基苯甲酸，其含量为0.(2)纵向和横向的杨氏模量均大于或等于 500 kg/mm2，(3)抗分层性（折线白化率）小于或等于 10%。 由于本发明的这种双向拉伸薄膜在抗分层性、抗卷曲性、机械强度、颜色和透明度方面都非常出色，因此作为照相胶片的基膜具有很高的价值。
• JPH1160708A
  申请人：——

  公开号：JPH1160708A

  公开（公告）日：1999-03-05
• US5656197A
  申请人：——

  公开号：US5656197A

  公开（公告）日：1997-08-12
• US5972515A
  申请人：——

  公开号：US5972515A

  公开（公告）日：1999-10-26