β-methylpropenoic acid hydroxyethyl ester | 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: β-methylpropenoic acid hydroxyethyl ester
• 英文别名: (methyl)propenoic acid 2-hydroxyethyl ester；(methyl)propenoic acid hydroxyethyl ester；ethylene glycol mono(methyl)propenoate；ethylene glycol (methyl)propenoate；hydroxyethyl crotonate；2-Hydroxyethyl crotonate；2-hydroxyethyl (E)-but-2-enoate
• CAS: 21734-63-4
• 化学式: C₆H₁₀O₃
• mdl: MFCD30479331
• 分子量: 130.144
• InChiKey: UBYWYEGPDNYPHZ-NSCUHMNNSA-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

• 作为产物：
  描述：

  trans-potassium crotonate 、 2-氯乙醇 在 三乙胺 作用下， 反应 2.0h， 以88%的产率得到β-methylpropenoic acid hydroxyethyl ester
  参考文献：
  名称：

  Mikhant'eva, O. N.; Romanova, V. S.; Mikhant'ev, V. B., Journal of applied chemistry of the USSR, 1981, vol. 54, # 5, p. 990 - 993

  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。
• PROCESS OF PREPARING FUNCTIONALIZED POLYMERS VIA ENZYMATIC CATALYSIS
  申请人：Puskas Judit E.

  公开号：US20100240837A1

  公开（公告）日：2010-09-23

  The invention relates to functionalized, telechelic polymers synthesized by enzymatic catalysis and methods, and the functionalization of polymers via Michael addition with a lipase catalyst, and the crosslinking of mono- or difunctional (telechelic) polymers made by enzymatic catalysis, such as by using multifunctional coupling agents and enzyme catalysts. Quantitative transesterification of vinyl methacrylate with poly(ethylene glycol), poly(isobutylene) and poly(dimethylsiloxane) was achieved using Candida antarctica lipase B. In addition, methacrylate-functionalized poly(ethylene glycol) monomethyl ether has been successfully coupled to aminoethoxy poly(ethylene glycol) monomethyl ether via Michael addition using Candida antarctica lipase B. Amine-functionalized poly(ethylene glycol)s have also been used for the preparation of poly(ethylene glycol)-based dendrimers and gels through Michael addition of the polymer onto triacryloyl hexahydro-triazine using the same enzyme. 1 H and 13 C NMR spectroscopy verified the structure of the functionalized polymers.

  本发明涉及通过酶催化合成的官能化、末端官能基聚合物及其方法，以及通过脂肪酶催化剂的Michael加成对聚合物进行官能化，以及通过使用多功能偶联剂和酶催化剂制备的单官能基（末端官能基）聚合物的交联。使用南极嗜酸性酵母脂肪酶B实现了乙烯基甲基丙烯酸酯与聚乙二醇、聚异丁烯和聚二甲基硅氧烷的定量转酯化反应。此外，使用南极嗜酸性酵母脂肪酶B，成功地将甲基丙烯酸酯官能化的聚乙二醇单甲醚与氨基乙氧基聚乙二醇单甲醚进行了Michael加成偶联。氨基官能化的聚乙二醇也被用于通过将聚合物通过Michael加成反应接枝到三丙烯酰基六氢-三嗪上制备聚乙二醇基树枝状聚合物和凝胶。1H和13C NMR光谱验证了官能化聚合物的结构。
• 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。
• Adhesive composition
  申请人：SUMITOMO CHEMICAL COMPANY, LIMITED

  公开号：EP0063037A2

  公开（公告）日：1982-10-20

  An adhesive composition which possesses an improved adhesion strength which comprises (A) an a-cyanoacrylate ester, (B) an aliphatic polyol or a derivative thereof or a polyether or a derivative thereof and (C) an aromatic polyol.

  一种粘合剂组合物，具有更好的粘合强度，它包括 (A) 一种氰基丙烯酸酯，(B) 脂肪族多元醇或其衍生物或聚醚或其衍生物，以及 (C) 芳香族多元醇。
• Polymere 4-Hydroxyphenylthioverbindungen
  申请人：CIBA-GEIGY AG

  公开号：EP0137329A2

  公开（公告）日：1985-04-17

  Verbindungen der Formel worin mindestens eines von X und Y eine Gruppe der Formel enthält, eignen sich ausgezeichnet als Stabilisatoren für organisches Material gegen thermischen, oxidativen oder lichtinduzierten Abbau. Für die Bedeutung der Symbole A, R, R1, R2, Z und n wird auf Anspruch 1 verwiesen.

  式中的化合物，其中 X 和 Y 至少有一个含有式中的基团，可作为有机材料的优良稳定剂，防止热、氧化或光引起的降解。 符号 A、R、R1、R2、Z 和 n 的含义参见权利要求 1。