N,N'-Bis(2-hydroxybenzylidene)-1,1-diaminopropane | 123431-62-9

• 分子结构分类: 有机化合物 - 苯类化合物 - 酚类
• 英文名称: N,N'-Bis(2-hydroxybenzylidene)-1,1-diaminopropane
• CAS: 123431-62-9
• 化学式: C₁₇H₁₈N₂O₂
• 分子量: 282.342
• InChiKey: YCPYRHIWLKVSHE-GDAWTGGTSA-N

物化性质

• 熔点：
  92-94 °C(Solv: ethanol (64-17-5))
• 沸点：
  436.2±40.0 °C(Predicted)
• 密度：
  1.11±0.1 g/cm3(Predicted)

反应信息

• 作为产物：
  描述：

  水杨醛 、 丙醛 在 ammonium hydroxide 、 ammonium acetate 作用下， 以 甲醇 为溶剂， 反应 8.0h， 以91%的产率得到N,N'-Bis(2-hydroxybenzylidene)-1,1-diaminopropane
  参考文献：
  名称：

  A Direct Synthesis ofN,N′-Bis(2-hydroxybenzylidene)-1,1-diaminoalkanes by a Three-Component Reaction

  摘要：

  通过在甲醇中进行水杨醛或5-溴水杨醛、脂肪醛和醋酸铵或水合氨的三组分反应，成功地以良好的产率合成了新型双希夫碱，其中包含烷基-1,1-二胺单元。

  DOI：

  10.1055/s-1989-27236

文献信息

• Convenient, Mild and One-Pot Synthesis of Double Schiff Bases from Three Component Reaction of Salicylaldehyde, Ammonium Acetate and Aliphatic Aldehydes Accelerated by NEt₃as a Base
  作者：Hossein Naeimi、Khadigeh Rabiei

  DOI：10.1002/jccs.200700182

  日期：2007.10

  A convenient and efficient procedure for one-pot preparation of double Schiff bases through a three component reaction of salicylaldehyde, ammonium acetate and aliphatic aldehyde was described. In this reaction, N,N′-bis(salicylidene)-1,1-diaminoalkanes was easily obtained in excellent yields and short reaction times under mild reaction condition.

  描述了一种通过水杨醛、乙酸铵和脂肪醛的三组分反应一锅法制备双席夫碱的简便有效的方法。在该反应中，N,N'-双（亚水杨基）-1,1-二氨基烷烃在温和的反应条件下以优异的收率和较短的反应时间轻松获得。
• New stabilized fuel composition
  申请人：REPSOL YPF S.A.

  公开号：EP1854867A1

  公开（公告）日：2007-11-14

  This invention is related to a new fuel composition which incorporates a chelating agent capable of stabilizing said fuel against the degradation thereof under working conditions and exposure to contamination by metals observed in the new combustion facilities and engines.

  本发明涉及一种新的燃料组合物，该组合物含有一种螯合剂，能够稳定所述燃料，防止其在工作条件下降解以及暴露于新型燃烧设备和发动机中的金属污染。
• POLYLACTIC ACID COMPOSITION
  申请人：Teijin Limited

  公开号：EP2116576A1

  公开（公告）日：2009-11-11

  It is an object of the present invention to provide a polylactic acid composition having excellent crystallinity, wet heat stability and melt stability. It is another object of the present invention to provide a molded article which is obtained from the polylactic acid composition and excellent in appearance and color. The present invention is a composition and molded article thereof which comprises a polylactic acid (component A), a carbodiimide compound (component B) and a phosphoric acid ester metal salt (component C).

  本发明的一个目的是提供一种具有优异结晶度、湿热稳定性和熔融稳定性的聚乳酸组合物。本发明的另一个目的是提供一种由该聚乳酸组合物制成的模塑制品，其外观和色泽极佳。 本发明是一种由聚乳酸（A 组分）、碳化二亚胺化合物（B 组分）和磷酸酯金属盐（C 组分）组成的组合物及其成型品。
• POLYLACTIC ACID FILM
  申请人：Teijin Limited

  公开号：EP2330148A1

  公开（公告）日：2011-06-08

  A polylactic acid film having excellent transparency and capable of retaining high transparency even when it is exposed to a high temperature. The polylactic acid film is obtained by melt extruding polylactic acid (A) prepared by melt kneading together polylactic acid (B) which comprises an L-lactic acid unit as the main ingredient and polylactic acid (C) which comprises a D-lactic acid unit as the main ingredient in a specific weight ratio, wherein the polylactic acid film has (a) a stereocomplex crystal rate (S) defined by the following equation (i) of 90 % or more: S=(ΔHmsc/ΔHmsc+ΔHmhx100 (in the above equation, ΔHmh is the melting enthalpy of a low-melting point crystal melting peak at a temperature lower than 190°C obtained by differential scanning calorimeter (DSC) measurement and ΔHmsc is the melting enthalpy of a high-melting point crystal melting peak at a temperature of 190°C or higher obtained by DSC measurement), (b) a haze of 10 % or less, and (c) a haze change of 5 % or less after it is heated at 140°C for 10 minutes.

  一种透明度极佳的聚乳酸薄膜，即使在高温下也能保持高透明度。 该聚乳酸薄膜是通过熔融挤压聚乳酸（A）制备的，聚乳酸（A）是由以 L-乳酸单元为主要成分的聚乳酸（B）和以 D-乳酸单元为主要成分的聚乳酸（C）按特定重量比熔融捏合而成，其中 (a) 聚乳酸薄膜的立体复合晶体率 (S) 由下式(i)定义为 90% 或以上：S=(ΔHmsc/ΔHmsc+ΔHmhx100 (在上式中，ΔHmh 是通过差示扫描量热仪（DSC）测量获得的温度低于 190°C 的低熔点晶体熔峰的熔化焓，ΔHmsc 是通过差示扫描量热仪测量获得的温度在 190°C 或以上的高熔点晶体熔峰的熔化焓）、 (b) 雾度不超过 10%，以及 (c) 在 140°C 下加热 10 分钟后，雾度变化不超过 5%。
• BIODEGRADABLE RESIN MOLDED ARTICLE, METHOD FOR PRODUCING SAME, AND PELLET BODY USED THEREFOR
  申请人：TBM Co., Ltd.

  公开号：EP3792314A1

  公开（公告）日：2021-03-17

  Provided is a biodegradable resin molded product that exhibits excellent processability and sufficient strength as the molded product, is advantageous in terms of cost and at the same time, has excellent biodegradability under an environment, in particular, marine biodegradability, and a method for producing the same, and pellets used therefor. The molded product is produced using a biodegradable resin composition including a biodegradable resin and heavy calcium carbonate particles in a range by mass of 50:50 to 10:90.

  本发明提供了一种可生物降解树脂模塑产品，该产品具有优异的加工性和足够的模塑强度，在成本方面具有优势，同时在环境下具有优异的生物降解性，特别是海洋生物降解性，还提供了生产该产品的方法以及用于该产品的颗粒。该模塑产品使用生物可降解树脂组合物生产，该组合物包括生物可降解树脂和重质碳酸钙颗粒，两者的质量比为 50:50 至 10:90。