Aethylenglykol-mono-buten-(2)-yl-(1)-aether | 52458-04-5

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: Aethylenglykol-mono-buten-(2)-yl-(1)-aether
• 英文别名: 2-[(E)-but-2-enoxy]ethanol
• CAS: 52458-04-5
• 化学式: C₆H₁₂O₂
• 分子量: 116.16
• InChiKey: DQVQUBQBNBADRW-NSCUHMNNSA-N

物化性质

• 沸点：
  85-87 °C(Press: 21-23 Torr)
• 密度：
  0.9387 g/cm3

计算性质

• 辛醇/水分配系数(LogP)：
  0.1
• 重原子数：
  8
• 可旋转键数：
  4
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.67
• 拓扑面积：
  29.5
• 氢给体数：
  1
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  Aethylenglykol-mono-buten-(2)-yl-(1)-aether 在 偶氮二异丁腈 、 三正丁基氢锡 作用下， 以 苯 为溶剂， 反应 1.0h， 生成 1-(4-Ethyl-tetrahydro-furan-3-yl)-propan-2-one
  参考文献：
  名称：

  氢化三丁基锡介导的醛和不饱和酮的自由基环化：羟基四氢呋喃，苯并三氢呋喃和相关化合物的合成

  摘要：

  据报道，三丁基氢化锡介导的带有醛或α，β-不饱和酮基的不饱和醚的环化。环化反应是通过将三丁基锡自由基加到羰基双键上而进行的，所得的O-锡烷基缩酮可以分子内加至富电子双键上，形成羟基四氢呋喃，苯并二氢呋喃或相关化合物。

  DOI：

  10.1016/s0040-4039(00)01586-0
• 作为产物：
  描述：

  乙二醇 、 2-丁烯基溴 以62%的产率得到
  参考文献：
  名称：

  MIXANTEVA O. N.; VOISHCHEVA O. V.; POMAHOBA V. S.; POPOV N. A., VORONEZH. YH-T. VORONEZH, 1977. 7 S. (RUKOPIS DEP. V VINITI 24 OKT. 1977 +

  摘要：

  DOI：

文献信息

• [EN] PURIFICATION OF CIS-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE VIA EXTRACTIVE DISTILLATION<br/>[FR] PURIFICATION DU CIS-1,1,1,4,4,4-HEXAFLUORO-2-BUTÈNE PAR DISTILLATION EXTRACTRICE
  申请人：DU PONT

  公开号：WO2012079011A1

  公开（公告）日：2012-06-14

  A process for separating cis-1,1,1,4,4,4-hexafluoro-2-butene from a first mixture comprising cis-1,1,1,4,4,4-hexafluoro-2-butene and at least one chlorofluoroolefin is disclosed. The process involves the steps of contacting said first mixture with at least one extractive agent, to form a second mixture, distilling said second mixture; and recovering cis-1,1,1,4,4,4-hexafluoro-2-butene substantially free of chlorofluoroolefin.

  本发明公开了一种从含有顺-1,1,1,4,4,4-六氟-2-丁烯和至少一种氯氟烯的第一混合物中分离顺-1,1,1,4,4,4-六氟-2-丁烯的方法。该过程包括以下步骤：将该第一混合物与至少一种萃取剂接触以形成第二混合物，蒸馏该第二混合物，并回收基本无氯氟烯的顺-1,1,1,4,4,4-六氟-2-丁烯。
• Polycarboxylic acid copolymer, production method and use thereof
  申请人：——

  公开号：US20020193547A1

  公开（公告）日：2002-12-19

  It is an object of the present invention to provide a polycarboxylic acid copolymer which improves the water reducing capacity and workability of cement compositions and the like and making them easier to handle when the fluidity and water reducing capacity are at the same levels, a method of producing the copolymer, and a cement additive and a cement composition comprising the copolymer. The present invention is further to provide a polycarboxylic acid copolymer and a cement additive which are capable of improving the strength and durability of hardening products of cement compositions, hence can advantageously be used in ultrahigh strength concrete. The present invention is still further to provide a method of producing polycarboxylic acid copolymers having high water reducing capacity, reducing the viscosity of cement compositions and improving the workability in applying cement. The present invention is directed to a polycarboxylic acid copolymer which is obtained by copolymerization of monomer components comprising a polyalkyleneimine unsaturated monomer (A1) and an unsaturated carboxylic acid monomer (B).

  本发明的目的是提供一种聚羧酸共聚物，该共聚物可以提高水减量和可操作性，并使其更易于处理，当流动性和水减量相同时，制备该共聚物的方法以及包括该共聚物的水泥添加剂和水泥组合物。本发明还提供了一种聚羧酸共聚物和水泥添加剂，它们能够提高水泥组合物的硬化产品的强度和耐久性，因此可以有利地用于超高强度混凝土。本发明还提供了一种制备具有高水减量能力的聚羧酸共聚物的方法，该方法可以减少水泥组合物的粘度并改善应用水泥的可操作性。本发明涉及一种聚羧酸共聚物，该共聚物通过共聚合包括聚烷基亚胺不饱和单体（A1）和不饱和羧酸单体（B）的单体组分而得到。
• MULTI-BRANCHED POLYALKYLENE GLYCOL POLYMER, METHOD FOR PRODUCING THE SAME, AND ADMIXTURE FOR CEMENT
  申请人：Sakamoto Noboru

  公开号：US20110160393A1

  公开（公告）日：2011-06-30

  The present invention provides a multi-branched polyalkylene glycol polymer useful for various applications, especially for an admixture for cement, a dispersant, admixture for cement, and cement composition each comprising the same, a thiol compound having a polyalkylene glycol chain useful for materials and the like of the polymer, and a method for easily and effectively producing the multi-branched polyalkylene glycol polymer and the thiol compound having a polyalkylene glycol chain at low cost. The multi-branched polymer comprises: a polyalkylene glycol chain; a residue of a compound having three or more active hydrogen atoms; and a polymer portion having a constitutional unit derived from a vinyl monomer component, one end of the polyalkylene glycol chain bonding to the residue, and a terminal oxygen atom of at least one of the other ends of the polyalkylene glycol chain bonding to a main chain end of the polymer portion directly or via an organic residue.

  本发明提供了一种多支链聚烷基醚聚合物，适用于各种应用，特别是水泥掺合剂、分散剂、水泥掺合剂和包含它们的水泥组合物，以及具有聚烷基醚链的巯基化合物，用于聚合物等材料，以及一种低成本、易于有效生产多支链聚烷基醚聚合物和具有聚烷基醚链的巯基化合物的方法。多支链聚合物包括：聚烷基醚链；具有三个或更多活性氢原子的化合物残基；以及具有从乙烯单体组分衍生的构成单元的聚合物部分，聚烷基醚链的一端与残基结合，聚烷基醚链的至少一个其他端的端氧原子直接或通过有机残基与聚合物部分的主链端结合。
• Method for producing millable polyurethanes and polyurethane elastomers
  申请人：HOKUSHIN CORPORATION

  公开号：EP0783009A2

  公开（公告）日：1997-07-09

  A method for producing a millable polyurethane, comprises the steps of: producing a poly-ε-caprolactone based diol represented by formula (I) wherein [] is a caprolactone unit; m and n are numbers of caprolactone units; and R1 is a divalent group derived from a polymerization initiator of formula R1(OH)2, the poly-ε-caprolactone based diol containing a controlled average number of caprolactone units and having a molecular weight distribution Mw/Mn of 1.0 to 1.5; and reacting the poly-ε-caprolactone based diol with a diisocyanate to produce a polyurethane with a restricted crystallizability having a rubber elasticity.

  一种生产可铣削聚氨酯的方法，包括以下步骤： 生产由式(I)表示的聚-ε-己内酯基二元醇 其中，[]是己内酰胺单元；m 和 n 是己内酰胺单元的个数；R1 是二价基团，来自式 R1(OH)2 的聚合引发剂，聚-ε-己内酰胺基二醇含有受控的己内酰胺单元平均数，分子量分布 Mw/Mn 为 1.0至1.5；将聚-ε-己内酯基二元醇与二异氰酸酯反应，生成具有橡胶弹性的限制结晶性聚氨酯。
• MOLDING RESIN COMPOSITION
  申请人：Mitsui Chemicals, Inc.

  公开号：EP0919595A1

  公开（公告）日：1999-06-02

  A composition prepared by adding as the sliding properties improving agent a small amount of ethylene-α-olefin random copolymer having polar groups to engineering plastics including polyacetal, ABS, and polyamide is suitable for the manufacture of gears, rotary shafts and bearings by way of exploiting its molding processibility including excellent mold release properties, and at the same time is capable of enhancing its friction/wear resistance. As the sliding properties improving agent, an oxidation-modified material produced from ethylene-α-olefin random copolymer or a graft-modified material prepared by graft-copolymerizing an ethylenic unsaturated monomer having carboxylic acid group, hydroxyl group or the like with ethylene-α-olefin random copolymer is particularly preferable.

  在聚缩醛、ABS 和聚酰胺等工程塑料中加入少量具有极性基团的乙烯-α-烯烃无规共聚物作为滑动性能改进剂，制备出的组合物适用于制造齿轮、旋转轴和轴承，可利用其成型加工性，包括优异的脱模性能，同时还能增强其摩擦/耐磨性。作为滑动性能改进剂，特别优选由乙烯-α-烯烃无规共聚物制备的氧化改性材料，或由具有羧酸基、羟基或类似基团的乙烯不饱和单体与乙烯-α-烯烃无规共聚物接枝共聚制备的接枝改性材料。