Computer-aided method for the determination of Hansen solubility parameters. Application to the miscibility of refrigerating lubricant and new refrigerant
This article presents a method which allows one to find the Hansen solubility parameters by means of data processing. In the first part, the authors present the thermodynamical principle of Hansen parameters, and then they explain the model used to find parameters from experimental data. They validate the method by studying the solubility parameters of CFC-12 (dichlorodifluoromethane), HFC-134a (1,1,1,2-tetrafluoroethane), neopentylglycol esters, trimethylolpropane esters, dipentaerythritol esters, and pentaerythritol esters. Then, the variation of Hansen parameters are studied as well as the relation between the miscibility temperature (the temperature at which a blend passes from the miscible state to the immiscible state) and the interaction distance. The authors establish the critical interaction distance of HFC-134a which determines the solubility limit and they study its variation with temperature.
- Research Organization:
- Research Center of Mobil Oil Francaise, Notre Dame de Gravenchon (FR)
- OSTI ID:
- 20003890
- Journal Information:
- Industrial and Engineering Chemistry Research, Vol. 38, Issue 11; Other Information: PBD: Nov 1999; ISSN 0888-5885
- Country of Publication:
- United States
- Language:
- English
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