ΛETN values for 1-methyl-2-pyrrolidinone -: Solvent binary mixtures at 20, 30, and 50 °C

被引:7
作者
Kemell, M [1 ]
Pirilä, P
机构
[1] Univ Helsinki, Dept Chem, FIN-00014 Helsinki, Finland
[2] Oulu Univ, Dept Chem, FIN-90401 Oulu, Finland
关键词
1-methyl-2-pyrrolidinone; binary solvent mixtures; solvent polarity; preferential solvation; synergetic effect;
D O I
10.1023/A:1005118601769
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Delta E-T(N) values were determined for 8 1-methyl-2-pyrrolidinone-solvent mixtures over the whole mole fraction range at 20, 30, and 50 degrees C. The solvents used were acetone, dimethyl sulfoxide, 2-propanol, 1,2-dichloroethane, water, 1,4-dioxane, benzyl alcohol, and hexamethylphosphoric triamide. The Delta E-T(N) values were positive for the NMP + solvent systems, except for the NMP + water system.
引用
收藏
页码:87 / 99
页数:13
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