DL-1,4-Phenylenbis(hydroxyessigsaeure) | 106064-63-5

• 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: DL-1,4-Phenylenbis(hydroxyessigsaeure)
• 英文别名: benzene-1,4-dioxylacetate；2,2 inverted exclamation mark-(1,4-Phenylene)bis(2-hydroxyacetic Acid)；2-[4-[carboxy(hydroxy)methyl]phenyl]-2-hydroxyacetic acid
• CAS: 106064-63-5
• 化学式: C₁₀H₁₀O₆
• 分子量: 226.186
• InChiKey: FKLAJCGHOJXZRK-UHFFFAOYSA-N

物化性质

• 沸点：
  533.8±45.0 °C(Predicted)
• 密度：
  1.606±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  -0.3
• 重原子数：
  16
• 可旋转键数：
  4
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.2
• 拓扑面积：
  115
• 氢给体数：
  4
• 氢受体数：
  6

反应信息

• 作为反应物：
  描述：

  DL-1,4-Phenylenbis(hydroxyessigsaeure) 在 盐酸 、 硫酸 、 氢溴酸 作用下， 以 丙酮 为溶剂， 反应 4.75h， 生成 DL-1,4-Phenylenbis<<(thioacetyl)thio>essigsaeure>
  参考文献：
  名称：

  Gotthardt, Hans; Pflaumbaum, Wolfgang, Chemische Berichte, 1987, vol. 120, p. 411 - 420

  摘要：

  DOI：
• 作为产物：
  描述：

  对苯二甲醛 在 盐酸 、 sodium hydrogensulfite 作用下， 以 水 为溶剂， 反应 18.0h， 生成 DL-1,4-Phenylenbis(hydroxyessigsaeure)
  参考文献：
  名称：

  Gotthardt, Hans; Pflaumbaum, Wolfgang, Chemische Berichte, 1987, vol. 120, p. 411 - 420

  摘要：

  DOI：

文献信息

• COMPOUND, DISPERSANT AND TONER
  申请人：CANON KABUSHIKI KAISHA

  公开号：US20160130233A1

  公开（公告）日：2016-05-12

  The present invention provides a dispersant excellent in the solubility to a solvent, the adsorption power to a coloring material, and the coloring material dispersibility, and reduced in the self-coloring property, a compound and a polymerizable compound for preparing the dispersant, and a toner using the dispersant. The dispersant has a structure in which a structure represented by the following specific formula (3) or a tautomer thereof is bonded with a polymer, and the toner contains the dispersant.

  本发明提供了一种分散剂，具有优异的溶解性、对染料的吸附能力和染料分散性，同时减少了自着色性，以及用于制备分散剂的化合物和可聚合化合物，以及使用该分散剂的色调剂。该分散剂具有以下特定公式（3）所表示的结构或其互变异构体与聚合物结合的结构，色调剂中包含该分散剂。
• Method of preventing adhesions with absorbable polyoxaesters
  申请人：——

  公开号：US20010012511A1

  公开（公告）日：2001-08-09

  The present invention describes a method of preventing adhesion formation between tissues in an animal by placing a sterile polyoxaester adhesion prevention barrier between the tissues of the animal to prevent an adhesion from forming.

  本发明描述了一种通过在动物的组织之间放置无菌聚氧酯粘连预防屏障来防止组织间粘连形成的方法。
• RESIN COMPOSITION
  申请人：MITSUBISHI GAS CHEMICAL COMPANY, INC.

  公开号：EP0637613A1

  公开（公告）日：1995-02-08

  A resin composition which is well balanced among moldability, heat-resistance and mechanical strength and comprises an aromatic polyamideimide resin (A) and a polyester resin (B), a polyphenylene sulfide resin (C) or a resin (D) capable of forming an anisotropic molten phase. The resin component (A) is composed of 5-95 mol % of repeating units represented by general formula (1) and 95-5 mol % of at least either repeating units represented by general formula (2) or ones represented by general formula (3), and is produced by the process which comprises polymerizing an aromatic tricarboxylic acid anhydride, at least either aromatic or aliphatic dicarboxylic acid, and an isocyanate compound in two or more steps, wherein the reaction in the first step is conducted in the temperature range of 50-110 °C and those in the second and subsequent steps are conducted in the temperature range of over 110 °C to 200 °C. In said formulae Ar represents a trivalent aromatic group, Ar₁ represents a divalent aromatic group, R₁ represents a divalent aliphatic group, and R represents a divalent aromatic or aliphatic group.

  一种在成型性、耐热性和机械强度之间取得良好平衡的树脂组合物，由芳香族聚酰胺酰亚胺树脂（A）和能形成各向异性熔融相的聚酯树脂（B）、聚苯硫醚树脂（C）或树脂（D）组成。树脂组分（A）由 5-95 摩尔%的通式（1）代表的重复单元和 95-5 摩尔%的至少通式（2）代表的重复单元或通式（3）代表的重复单元组成，其生产工艺包括聚合芳香族三羧酸酐、至少芳香族或脂肪族三羧酸酐、至少芳香族或脂肪族三羧酸酐、至少芳香族或脂肪族三羧酸酐、至少芳香族或脂肪族三羧酸酐、至少芳香族或脂肪族三羧酸酐、其中第一步的反应在 50-110 °C 的温度范围内进行，第二步及后续步骤的反应在 110 °C 以上至 200 °C 的温度范围内进行。在所述式中，Ar 代表三价芳香族基团，Ar₁ 代表二价芳香族基团，R₁ 代表二价脂肪族基团，R 代表二价芳香族或脂肪族基团。
• Alignment layer material for liquid crystal display devices
  申请人：HOECHST AKTIENGESELLSCHAFT

  公开号：EP0708149A1

  公开（公告）日：1996-04-24

  The object of the present invention is to provide an alignment layer material for forming a liquid crystal alignment layer having an excellent adhesion to a glass substrate, having less dependency of display characteristics on the viewing angle with a high contrast. A composition used for an alignment layer material comprising a mixture of a polymer (A) which is a block copolymer containing a siloxane compound as a constituting component, and a homopolymer or copolymer (B) having the following repeating unit (1): is disclosed.

  本发明的目的是提供一种配向层材料，用于形成液晶配向层，该材料与玻璃基板的附着力极佳，显示特性对视角的依赖性较小，对比度高。 用于配向层材料的组合物由聚合物（A）和均聚物或共聚物（B）的混合物组成，聚合物（A）是一种嵌段共聚物，含有硅氧烷化合物作为构成成分，均聚物或共聚物（B）具有以下重复单元（1）： 的均聚物或共聚物（B）的混合物。
• MEDICAL INSTRUMENT
  申请人：TERUMO Kabushiki Kaisha

  公开号：EP4026572A1

  公开（公告）日：2022-07-13

  The present invention provides a means for improving the durability (sliding durability, in particular) of a surface lubrication layer of a medical instrument, while maintaining the flexibility of the instrument. This medical instrument comprises: a substrate in which a portion of the surface thereof is a polyester resin; a middle layer that is formed at least on a portion of the surface of the substrate and that includes a (meth)acrylic modified polyester resin and a polyurethane resin; and a surface lubricating layer that is formed on top of the middle layer and that includes a block copolymer having a structural unit (A) derived from hydrophobic monomers and a structural unit (B) derived from hydrophilic monomers. The hydrophobic monomers and/or the hydrophilic monomers have a (meth)acryloyl group.

  本发明提供了一种提高医疗器械表面润滑层耐久性（尤其是滑动耐久性）的方法，同时保持了医疗器械的柔韧性。该医疗器械包括：基底，其中部分表面为聚酯树脂；中间层，至少形成于基底的部分表面，包括（甲基）丙烯酸改性聚酯树脂和聚氨酯树脂；以及表面润滑层，形成于中间层之上，包括嵌段共聚物，其结构单元（A）来自疏水单体，结构单元（B）来自亲水单体。疏水单体和/或亲水单体具有一个（甲基）丙烯酰基。