MUTUAL SOLUBILITIES - WATER GLYCOL ETHERS AND WATER GLYCOL ESTERS

被引：29
|
作者：
STEPHENSON, RM
机构：
[1] Department of Chemical Engineering, University of Connecticut, Storrs
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 1993年 / 38卷 / 01期
关键词：
D O I：
10.1021/je00009a033
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Mutual binary solubilities have been measured for the ethers and esters of ethylene glycol, diethylene glycol, triethylene glycol, and propylene glycol. Data are given for 45 water-organic pairs at temperatures of 0-90-degrees-C. It was found that 20 binary systems were consolute, 18 showed partial solubility over the entire temperature range, and 7 were partially soluble at higher temperatures, but had lower critical solution temperatures and were consolute at low temperatures. Neither the water layer nor the organic layer showed any consistent behavior with temperature. In some cases the solubility in each layer increased with temperature, in others the solubility in each layer decreased with temperature, and in still others the solubility in one layer increased with temperature while the solubility in the other layer decreased with temperature.
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页码：134 / 138
页数：5
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