The soft-solid model for liquids.: Application to biodiesel and other materials of technological interest

被引:4
|
作者
Castellon-Elizondo, Erick [1 ]
Lutz, Giselle [1 ]
Mata-Segreda, Julio F. [1 ]
机构
[1] Univ Costa Rica, Sch Chem, Lab Bioorgan Chem, San Jose 2060, Costa Rica
关键词
biodiesel; coefficient of cubic expansion; enthalpy of vaporisation; Hildebrand solubility parameter; isothermal compressibility;
D O I
10.1002/poc.1068
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The coefficient of cubic expansion of liquids (a) correlates inversely with the corresponding value of enthalpy of vaporisation. The theoretical interpretation is based on the molecular view of liquids as modified solids made of molecules packed in a way that a few neighbouring molecules have been removed. The general equation for the coefficient of cubic expansion of solids was modified to describe the case of liquids regarded as soft solids. The empirical equation alpha = 0.087/Delta H-vap was obtained for long-chain liquids of low polarity such as biodiesel materials, when the enthalpy value is given in kJ/mol. Copyright (c) 2006 John Wiley & Sons, Ltd.
引用
收藏
页码:744 / 747
页数:4
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