Differential Scanning Calorimetric Study on Binary Mixtures of Choline Chloride with Urea or 1,3-Dimethylurea

被引：4

作者：

Kim, Ki-Sub ^{[1
]}

Park, Byung Heung ^{[1
]}

机构：

[1] Korea Natl Univ Transportat, Dept Chem & Biol Engn, Chungju Si 380702, Chungbuk, South Korea

来源：

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN | 2015年 / 48卷 / 11期

基金：

新加坡国家研究基金会;

关键词：

Deep Eutectic Solvent; Choline Chloride; Differential Scanning Calorimetry; Melting Temperature; DEEP EUTECTIC SOLVENTS;

D O I：

10.1252/jcej.15we015

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Choline chloride (ChCl) is a well-known material forming deep eutectic solvents (DESs) when mixed with a hydrogen bonding donor (HBD). The potential applicability of DES systems is wide for replacing ionic liquids at relatively low cost. Therefore, the application to chemical processes necessitates the reliable data of DES properties. In this work, thermal behaviors of two ChCl-based DES systems (ChCl + urea and ChCl + 1,3-dimethylurea) were investigated by using a differential scanning calorimeter. Crystalline as well as amorphous characteristics were found by varying compositions. In general, the increased composition of ChCl strengthened the crystallinity of solid phase. In the ChCl + urea system, a phase diagram was drawn with obtained melting point data while it could not be available for the other system.

引用

页码：881 / 884

页数：4

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