oxalic acid bis-2-hydroxyl ethyl ester | 25781-56-0

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: oxalic acid bis-2-hydroxyl ethyl ester
• 英文别名: oxalic acid bis-2-hydroxyethyl ester；Bis(2-hydroxyethyl) ethanedioate；bis(2-hydroxyethyl) oxalate
• CAS: 25781-56-0
• 化学式: C₆H₁₀O₆
• 分子量: 178.142
• InChiKey: DGQWBBVMFRJVQF-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -1.5
• 重原子数：
  12
• 可旋转键数：
  7
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.67
• 拓扑面积：
  93.1
• 氢给体数：
  2
• 氢受体数：
  6

文献信息

• Method for producing alpha - hydroxycarboxylate
  申请人：Yoshida Hiroshi

  公开号：US20050090686A1

  公开（公告）日：2005-04-28

  The present invention provides a process for more efficiently producing an α-hydroxycarboxylic acid ester wherein side reactions due to the α-hydroxycarboxylic acid ester are inhibited or prevented in comparison with prior art production processes. The invention provides a process for producing an α-hydroxycarboxylic acid ester comprising Steps 1 to 3: Step 1. reacting, in the presence of oxygen, (i) a 1,2-diol with a 1,2-diol or (ii) a 1,2-diol with an alcohol to obtain a reaction product containing an α-hydroxycarboxylic acid ester; Step 2. separating the α-hydroxycarboxylic acid ester from the reaction product obtained in Step 1 by distillation under reduced pressure; and Step 3. feeding Step 1 with a mixture obtained by partially or entirely removing water from the reaction product, wherein the mixture contains an unreacted 1,2-diol and/or alcohol.

  本发明提供了一种比现有生产工艺更高效地生产α-羟基羧酸酯的过程，其中由于α-羟基羧酸酯引起的副反应被抑制或预防。该发明提供了一种生产α-羟基羧酸酯的过程，包括步骤1至3：步骤1。在氧气存在下，反应(i) 1,2-二醇与1,2-二醇或(ii) 1,2-二醇与醇，以获得含有α-羟基羧酸酯的反应产物;步骤2。通过减压蒸馏将α-羟基羧酸酯从步骤1获得的反应产物中分离出来;步骤3。将步骤1与从反应产物中部分或完全去除水而得到的混合物一起加入，其中混合物含有未反应的1,2-二醇和/或醇。
• NON-HALOGEN FLAME-RETARDANT SYNTHETIC RESIN COMPOSITION
  申请人：Kaneda Takayoshi

  公开号：US20110092622A1

  公开（公告）日：2011-04-21

  The present invention is the non-halogen flame-retardant synthetic resin composition characterized in that the said synthetic resin contains the (poly)phosphate compounds represented by the general formulae (1) and (3), described in Claim 1 , and layered silicate; n in the general formula (1) represents a number of 1˜100, X 1 is ammonia, or a triazine derivative represented by the general formula (2) described in Claim 1 , p is a number satisfying the relational expression of 0

  本发明是一种非卤素阻燃合成树脂组合物，其特征在于所述的合成树脂包含在权利要求书中描述的通式(1)和(3)所代表的(聚)磷酸盐化合物以及层状硅酸盐；通式(1)中的n表示1~100的数字，X1为氨或权利要求书中描述的通式(2)所代表的三嗪衍生物，p为满足0哌嗪环的二胺，R2~R4是独立的氢原子、具有1-5个碳原子的烷基，m是1-10的整数，q是满足0
• (Meth)acrylate ester-based resin composition
  申请人：Nippon Shokubai Co., Ltd.

  公开号：EP1184396A1

  公开（公告）日：2002-03-06

  The present invention provides a novel (meth)acrylate ester-based resin composition which, for example, exhibits various good properties such as weather resistance, heat resistance, water resistance, acid resistance, alkali resistance, warm water resistance, impact resistance, flexibility, processability, adhesion, hardness, and elongation when being used for various uses such as coating agents (e.g. for films, plastics, glass, paper, fibers, leather), pressure sensitive adhesives, and adhesives in addition to various paints (e.g. paints for building exteriors, paints for building materials, paints for metals, paints for plastics, heavy anticorrosive paints, waterproof paints for roofs). This resin composition comprises a (meth)acrylate ester-based polymer and an aqueous medium, wherein the (meth)acrylate ester-based polymer is obtained by a process including the step of polymerizing a monomer component including a polymerizable unsaturated monomer as an essential component wherein the polymerizable unsaturated monomer is a cyclohexylalkyl ester of (meth)acrylic acid wherein the cyclohexyl group may have a substituent, and wherein the (meth)acrylate ester-based polymer is dispersed in the aqueous medium.

  本发明提供了一种新型(甲基)丙烯酸酯基树脂组合物，例如，该组合物在用于各种 用途（如涂层剂（如薄膜、塑料、玻璃、纸张、纤维、皮革）、压敏胶和粘合剂）时， 具有耐候性、耐热性、耐水性、耐酸性、耐碱性、耐温水性、耐冲击性、柔韧性、加工性、附着力、 硬度和伸长率等各种良好性能。例如薄膜、塑料、玻璃、纸张、纤维、皮革）、压敏胶和粘合剂，以及各种涂料（例如建筑外墙涂料、建筑材料涂料、金属涂料、塑料涂料、重防腐涂料、屋顶防水涂料）。这种树脂组合物由(甲基)丙烯酸酯基聚合物和水性介质组成，其中(甲基)丙烯酸酯基聚合物是通过包括以下步骤的工艺获得的：聚合单体组分，包括作为基本组分的可聚合不饱和单体，其中可聚合不饱和单体是(甲基)丙烯酸的环己基烷基酯，其中环己基可具有取代基，(甲基)丙烯酸酯基聚合物分散在水性介质中。
• PROCESS FOR PRODUCING a-HYDROXYCARBOXYLIC ESTER
  申请人：NIPPON SHOKUBAI CO., LTD.

  公开号：EP1571139A1

  公开（公告）日：2005-09-07

  The present invention provides a process for more efficiently producing an α-hydroxycarboxylic acid ester wherein side reactions due to the α-hydroxycarboxylic acid ester are inhibited or prevented in comparison with prior art production processes. The invention provides a process for producing an α-hydroxycarboxylic acid ester comprising Steps 1 to 3: Step 1. reacting, in the presence of oxygen, (i) a 1,2-diol with a 1,2-diol or (ii) a 1,2-diol with an alcohol to obtain a reaction product containing an α-hydroxycarboxylic acid ester; Step 2. separating the α-hydroxycarboxylic acid ester from the reaction product obtained in Step 1 by distillation under reduced pressure; and Step 3. feeding Step 1 with a mixture obtained by partially or entirely removing water from the reaction product, wherein the mixture contains an unreacted 1,2-diol and/or alcohol.

  本发明提供了一种更有效地生产α-羟基羧酸酯的工艺，与现有技术的生产工艺相比，该工艺抑制或防止了由于α-羟基羧酸酯引起的副反应。 本发明提供了一种生产α-羟基羧酸酯的工艺，包括步骤 1 至 3： 步骤 1：在有氧气存在的情况下，使(i)1,2-二醇与 1,2-二醇反应，或(ii)1,2-二醇与醇反应，得到含有 α-羟基羧酸酯的反应产物； 步骤 2：通过减压蒸馏，从步骤 1 得到的反应产物中分离出 α-羟基羧酸酯；以及 步骤 3. 向步骤 1 中加入通过部分或全部去除反应产物中的水而得到的混合物，其中混合物含有未反应的 1,2-二醇和/或醇。
• RESIN COMPOSITION AND MOLDED ARTICLE COMPRISING THE SAME
  申请人：TORAY INDUSTRIES, INC.

  公开号：EP1792941A1

  公开（公告）日：2007-06-06

  A resin composition in which a polylactic acid resin (A) 95-5 wt%, an aromatic polycarbonate resin (B) 5-95 wt%, and, with respect to 100 wt parts of the total of the (A) and the (B), at least one compatibilizer selected from a polymer compound containing an acrylic resin or styrene resin unit as a graft (C), a polymer compound to which a glycidyl compound or an acid anhydride is grafted or copolymerized (D) and an oxazoline compound, an oxazine compound and a carbodiimide compound (E) are compounded.

  一种树脂组合物，其中聚乳酸树脂（A）占 95-5wt%，芳香族聚碳酸酯树脂（B）占 5-95wt%，相对于（A）和（B）总量的 100 重量份，至少一种相容剂选自含有丙烯酸树脂或苯乙烯树脂单元作为接枝物的聚合物化合物（C）、接枝或共聚缩水甘油化合物或酸酐的聚合物化合物 (D) 以及噁唑啉化合物、噁嗪化合物和碳化二亚胺化合物 (E)。