A New Method of the Gibbs-Duhem Equation for Calculating Mixing Free Energy of Polymer Plasticized Systems

Chem. J. Chinese Universities ›› 2001, Vol. 22 ›› Issue (6): 1028.

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A New Method of the Gibbs-Duhem Equation for Calculating Mixing Free Energy of Polymer Plasticized Systems

SHAO Zi-Qiang¹, HAO Hong-Ying², LIAO Shuang-Quan¹, Yu. M. Lotmentsev³, TAN Hui-Min¹

1. School of Chemical Engineeningand Material Science, Beijing University of Technology, Beijing 100081, China;
2. North China Insititute of Technology, Taiyuan 030051, China;
3. Departmentof Applied Chem.Engineering, Mendeleev University of Chemical Technology of Russia, Moscow 123480, Russia

Received:2000-05-25 Online:2001-06-24 Published:2001-06-24

Abstract

Abstract: To study method for calculating mixing free energy of polymer solutions. Anew method for treating experimental data on concentrating dependence of chemical potential was advanced. Various methods for calculating mixing free energy through the Flory-Huggins equation were compared. Relations on concentration dependence of chemical potential were gained by various methods. As compared with other known calculating procedures, the new method was shown to provide more precise estimates mixing free energy.

Key words: Gibbs free energy, Polymer solution, Compatibility

CLC Number:

O644

TrendMD:

SHAO Zi-Qiang, HAO Hong-Ying, LIAO Shuang-Quan, Yu. M. Lotmentsev, TAN Hui-Min . A New Method of the Gibbs-Duhem Equation for Calculating Mixing Free Energy of Polymer Plasticized Systems[J]. Chem. J. Chinese Universities, 2001, 22(6): 1028.

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A New Method of the Gibbs-Duhem Equation for Calculating Mixing Free Energy of Polymer Plasticized Systems

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