期刊
PHYSICS AND CHEMISTRY OF LIQUIDS
卷 54, 期 2, 页码 165-181出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00319104.2015.1074049
关键词
Density; viscosity; excess properties; thermodynamics; spectrometry
资金
- National Natural Science Foundation of China [21166017]
- Research Fund for the Doctoral Program of Higher Education of China [20111514120002]
- Natural Science Foundation of Inner Mongolia Autonomous Region [2014MS0208]
- Program for New Century Excellent Talents in University [NCET-12-1017]
- Inner Mongolia Science and Technology Key Projects
- Program for Grassland Excellent Talents of Inner Mongolia Autonomous Region
- Inner Mongolia Talented People Development Fund
- Yongfeng Boyuan Industry Co., Ltd. (Jiangxi Province, China)
Density and dynamic viscosity data were measured over the whole concentration range for the binary system 1,4-butanediol (1) + water (2) at T=(293.15, 298.15, 303.15, 308.15, 313.15, and 318.15) K as a function of composition under atmospheric pressure. Based on density and dynamic viscosity data, excess molar density ((E)), dynamic viscosity deviation () and excess molar volume (V-m(E)) were calculated. From the dynamic viscosity data, excess Gibbs energies (G*(E)), Gibbs free energy of activation of viscous flow (G*), enthalpy of activation for viscous flow (H*) and entropy of activation for viscous flow (S*) were also calculated. The (E), V-m(E), and G*(E) values were correlated by a Redlich-Kister-type function to obtain the coefficients and to estimate the standard deviations between the experimental and calculated quantities. Based on FTIR and UV spectral results, the intermolecular interaction of 1,4-butanediol with H2O was discussed.
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