Physicochemical Properties for the Binary Systems of Ionic Liquids [Cnmim]Cl + N,N-Dimethylformamide

被引：35

作者：

Yan, Xiao-Jing ^{[1
]}

Li, Shu-Ni ^{[1
]}

Zhai, Quan-Guo ^{[1
]}

Jiang, Yu-Cheng ^{[1
]}

Hu, Man-Cheng ^{[1
]}

机构：

[1] Shaanxi Normal Univ, Sch Chem & Chem Engn, Key Lab Macromol Sci Shaanxi Prov, Xian 710119, Shaanxi, Peoples R China

来源：

JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2014年 / 59卷 / 05期

基金：

中国国家自然科学基金;

关键词：

THERMOPHYSICAL PROPERTIES; DIFFUSION-COEFFICIENTS; MOLECULAR-INTERACTIONS; VOLUMETRIC PROPERTIES; REFRACTIVE-INDEXES; PLUS WATER; MIXTURES; VISCOSITY; SOLVENTS; N; N-DIMETHYLFORMAMIDE;

D O I：

10.1021/je4009238

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Density p, refractive index n(D), and viscosity eta for ionic liquids [C(n)mim]Cl (C(n)mim = 1-alkyl-3-methylimidazolium; n = 2, 4, 6, 8 for ethyl, butyl, hetyl, and octyl) + N,N-dimethylformannide (DMF) binary systems have been investigated at atmospheric pressure from 288.15 K to 318.15 K. The molar excess Gibbs energy Delta G*(E), volumetric properties including excess molar volume V-E, and apparent molar volume V-psi,V-i have been calculated from the experimental data. Furthermore, the refractive index and viscosity deviations (Delta n(D), Delta eta) from the ideal behavior have been obtained and well fitted to the Redlich-Kister equation. Our results show that DMF can effectively adjust the physicochemical properties of 1-alkyl-3-methylimidazolium ionic liquids.

引用

页码：1411 / 1422

页数：12

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