hydroxyethylcrotonate | 21734-63-4

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 英文名称: hydroxyethylcrotonate
• 英文别名: 2-Hydroxyethyl but-2-enoate
• CAS: 21734-63-4
• 化学式: C₆H₁₀O₃
• 分子量: 130.144
• InChiKey: UBYWYEGPDNYPHZ-UHFFFAOYSA-N

物化性质

• 沸点：
  325 °C(Press: 0.5 Torr)
• 密度：
  1.0927 g/cm3

计算性质

• 辛醇/水分配系数(LogP)：
  0.3
• 重原子数：
  9
• 可旋转键数：
  4
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.5
• 拓扑面积：
  46.5
• 氢给体数：
  1
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  2-碘吡啶 、 hydroxyethylcrotonate 在 二氢吡啶 、 [Ir(dF(CF₃)ppy)₂(dtbbpy)](PF₆) 作用下， 以 水 、 二甲基亚砜 为溶剂， 反应 18.0h， 以68%的产率得到
  参考文献：
  名称：

  氮杂环基自由基共轭加成的温和催化系统†

  摘要：

  吡啶和二嗪单元直接加到贫电子烯烃中是通过氧化还原自由基机理实现的，该机理可以通过限制氢原子源的有效浓度来实现。所描述的方法对酸性官能团具有耐受性，并且通常适用于多种迈克尔受体和六元杂环卤化物的结合。

  DOI：

  10.1039/c7sc00243b
• 作为产物：
  描述：

  乙二醇 、 巴豆酰氯 以 甲苯 为溶剂， 生成 hydroxyethylcrotonate
  参考文献：
  名称：

  Baranovskaya, Russian Journal of Organic Chemistry, 2000, vol. 36, # 4, p. 482 - 485

  摘要：

  DOI：

文献信息

• Flame retardant rubber composition, rubber articles and wire covering materials
  申请人：Morioka Seiji

  公开号：US20060111504A1

  公开（公告）日：2006-05-25

  A flame retardant rubber composition includes (A) an ethylene/α-olefin random copolymer, (B) an unsaturated nitrile/conjugated diene rubber, and (D) surface-treated natural magnesium hydroxide or includes (A) an ethylene/α-olefin random copolymer, (B) an unsaturated nitrile/conjugated diene rubber, (C) a hydrogenated diene polymer, and (D) surface-treated natural magnesium hydroxide. Since the rubber composition and rubber product have good flame retardance, weather resistance, and oil resistance, as well as excellent mechanical characteristics, they are useful for various applications such as a roll, belt, and sealing material for copying machines, an electric wire coating material, and hoses.

  一种阻燃橡胶组合物，包括（A）乙烯/α-烯烃随机共聚物，（B）不饱和腈/共轭二烯橡胶，以及（D）经过表面处理的天然氢氧化镁，或包括（A）乙烯/α-烯烃随机共聚物，（B）不饱和腈/共轭二烯橡胶，（C）氢化二烯聚合物，以及（D）经过表面处理的天然氢氧化镁。由于橡胶组合物和橡胶制品具有良好的阻燃性、耐候性、耐油性以及优异的机械特性，因此它们适用于各种应用，如复印机的卷筒、传送带和密封材料、电线涂层材料和软管。
• Water-absorbent starch copolymerisates and method for their preparation.
  申请人：A.E. STALEY MANUFACTURING COMPANY

  公开号：EP0000247A1

  公开（公告）日：1979-01-10

  O Water-absorbent, starch copolymerisates which comprise a non-linear lattice of starch chains linked together by polymeric linkages represented by the formula wherein Starch represents a starch chain of D-glucose units, Z represents an organo group which links the group to the carbon atom of the starch chain by a sulphur or an oxygen atom, R is hydrogen or a monovalent organic radical, M represents a plurality of copolymerised ethylenically unsaturated monomers with "p" representing the number of copolymerised monomeric units in the linkage, (W) is a water-attractant group linked to the polymeric linkage and "n" represents the number of (W) moieties contained within the polymeric linkage of the copolymerised monomers with the number of (W) moieties being sufficient to impart water-absorbency properties to the copolymerisate. The water-absorbent starch copolymerisate may be easily prepared into a desired configuration for a particular end-use or combined with other substrates or carriers. The unpolymerised starch and monomers or precursors thereof may be applied or incorporated into a suitable carrier.or substrate and copolymerised in situ to provide a composite article of unitary construction with the water-absorbent starch copolymerisate permanently bonded or affixed thereto.

  O 具有吸水性的淀粉共聚物，它由通过聚合物链节连接在一起的淀粉链的非线性晶格组成，聚合物链节由以下式子表示 其中，淀粉代表由 D-葡萄糖单元组成的淀粉链，Z 代表有机基团，它将有机基团与淀粉链的碳原子连接在一起。 R 是氢或一价有机基，M 代表多种共聚乙烯不饱和单体，"p "代表连接中共聚单体单元的数量、(W）是与聚合连接相连的吸水基团，"n "代表共聚单体的聚合连接中包含的（W）分子的数量，（W）分子的数量足以使共聚物具有吸水性能。吸水性淀粉共聚物可以很容易地制备成特定最终用途所需的结构，或与其他基质或载体结合。可将未聚合的淀粉及其单体或前体涂抹或掺入适当的载体或基质中，并在原位进行共聚，以提供具有吸水性淀粉共聚物永久粘合或附着于其上的整体结构的复合物品。
• Process for production of ultrafine polymer latex
  申请人：LION CORPORATION

  公开号：EP0228879A2

  公开（公告）日：1987-07-15

  A ultrafine crosslinked polymer latex having a three-dimensional network structure is produced from the emulsion polymerization of (i) an ethylenically unsaturated monomer and an unsaturated monomer having a reactive functional group in the presence of a betaine ester emulsifier or (ii) an ethylenically unsaturated monomer and, optionally, an unsaturated monomer having a reactive functional group in the presence of a polyoxyalkylene ethylenically unsaturated carboxylic acid polyester emulsifier and, optionally, a betaine ester emulsifier.

  一种具有三维网状结构的超细交联聚合物胶乳是由以下两种物质乳液聚合而成：(i) 一种乙烯基不饱和单体和一种具有活性官能团的不饱和单体，在甜菜碱酯乳化剂存在下；或 (ii) 一种乙烯基不饱和单体和一种具有活性官能团的不饱和单体（可选），在聚氧亚烷基乙烯基不饱和羧酸聚酯乳化剂和甜菜碱酯乳化剂存在下。
• Thermoplastic resin composition
  申请人：JAPAN SYNTHETIC RUBBER CO., LTD.

  公开号：EP0244090A1

  公开（公告）日：1987-11-04

  A thermoplastic resin composition obtained by melt-mixing: (a) 4 to 95% by weight of a polyphenylene ether resin, (b) 4 to 95% by weight of a polyamide, (c) l to 50% by weight of a rubbery polymer, and (d) if necessary, 9l% by weight or less of a styrene resin (d) [the sum of the (a), (b), (c) and (d) components is l00% by weight] in the presence of 0.00l to l0% by weight, based on the total weight of the (a), (b), (c) and (d) components, of at least one functional group-containing unsaturated compound having at least one group selected from the class consisting of carboxyl group, acid anhydride group, epoxy group, hydroxyl group, amino group and amido group and 0.00l to 5% by weight, based on the total weight of the (a), (b), (c) and (d) components, of a peroxide. This thermoplastic resin composition is excellent in balance of impact strength of thin molded product, moldability and heat resistance. Therefore, the composition can be used as molded products such as external and internal trim parts of automobiles, electric and electronic components, housings and the like, requiring a high quality, and accordingly is highly valuable in industrial utilization.

  通过熔融混合获得的热塑性树脂组合物： (a) 4%至 95%（按重量计）的聚苯醚树脂、 (b) 4%至 95%（重量百分比）的聚酰胺、 (c) l 至 50%（重量百分比）的橡胶聚合物，以及 (d) 必要时，9%或更少重量的苯乙烯树脂 (d) (a)、(b)、(c)和(d)组分的总和为 l00%(重量)]，以(a)、(b)、(c)和(d)组分的总重量为基准，存在 0.00l 至 l0%(重量)的至少一种含官能团的不饱和化合物，该化合物具有至少一个选自羧基、酸酐基、环氧基、羟基、氨基和酰胺基的基团，以及 0.00l-5%（以(a)、(b)、(c)和(d)组分的总重量为基准）的过氧化物。这种热塑性树脂组合物在平衡薄模塑产品的冲击强度、成型性和耐热性方面表现优异。因此，该组合物可用作对质量要求较高的模塑产品，如汽车内外饰件、电气和电子元件、外壳等，具有很高的工业应用价值。
• Ultra-fine particulated polymer latex and composition containing the same
  申请人：LION CORPORATION

  公开号：EP0273605A2

  公开（公告）日：1988-07-06

  An ultra-fine particulated polymer latex having an average particle size of 100 nm or less, a crosslinked structure and a glass transition temperature lower than a value calculated by a weight fraction method.

  一种超细颗粒聚合物胶乳，其平均粒径为 100 纳米或更小，具有交联结构，玻璃化转变温度低于按重量分数法计算的值。