Density,Viscosity,and Excess Properties for Binary Mixture of Diethylene Glycol Monoethyl Ether+Water from 293.15 to 333.15 K at Atmospheric Pressure

Abstract

Abstract: Densities and viscosities were measured as a function of composition for binary liquid mixture of diethylene glycol monoethyl ether [CH₃CH₂O(CH₂)₂O(CH₂)₂OH]+water from 293.15 to 333.15 K at atmospheric pressure,with a capillary pycnometer and Ubbelohde capillary viscometer respectively.From the experimental data,the excess molar volume V^E,viscosity deviation Δη,and the excess energy of activation for viscous flow ΔG^*E were calculated.These data were correlated by the Redlich-Kister type equations to obtain the coefficients and standard deviations.The results showed a strong molecular interaction between diethylene glycol monoethyl ether and water.

Key words: density, viscosity, diethylene glycol monoethyl ether, binary mixture, excess molar volume, viscosity deviation

摘要： Densities and viscosities were measured as a function of composition for binary liquid mixture of diethylene glycol monoethyl ether [CH₃CH₂O(CH₂)₂O(CH₂)₂OH]+water from 293.15 to 333.15 K at atmospheric pressure,with a capillary pycnometer and Ubbelohde capillary viscometer respectively.From the experimental data,the excess molar volume V^E,viscosity deviation Δη,and the excess energy of activation for viscous flow ΔG^*E were calculated.These data were correlated by the Redlich-Kister type equations to obtain the coefficients and standard deviations.The results showed a strong molecular interaction between diethylene glycol monoethyl ether and water.

关键词: density, viscosity, diethylene glycol monoethyl ether, binary mixture, excess molar volume, viscosity deviation

LI Xinxue, XU Guomin, WANG Yanwei, HU Yijiang. Density,Viscosity,and Excess Properties for Binary Mixture of Diethylene Glycol Monoethyl Ether+Water from 293.15 to 333.15 K at Atmospheric Pressure[J]. , 2009, 17(6): 1009-1013.

李新学, 徐国民, 王彦伟, 胡一江. Density,Viscosity,and Excess Properties for Binary Mixture of Diethylene Glycol Monoethyl Ether+Water from 293.15 to 333.15 K at Atmospheric Pressure[J]. , 2009, 17(6): 1009-1013.

References

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