The influence of differences in molecular size on the surface tension of solutions. IV |
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| Affiliation: | 1. United Technologies Research Center, 411, Silver Lane, East Hartford, CT 06108, USA;2. Sandia National Laboratories, Livermore, CA, USA;1. Research Center of Supercritical Fluid Technology, Department of Chemical Engineering, Graduate School of Engineering, Tohoku University, 6-6-11-403, Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan;2. Department of Applied Chemistry and Environment, Tohoku Institute of Technology, 35-1 Yagiyama Kasumicho, Taihaku, Sendai, Miyagi 982-8577, Japan;3. Department of Frontier Science for Advanced Environment, Graduate School of Environmental Studies, Tohoku University, 6-6-11-403, Aoba, Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, Japan |
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| Abstract: | The statistical calculation of the surface tension of solutions containing two sorts of molecules, one occupying r sites and the other one site, has been carried out for a simplified model in which only configurations of the molecules parallel to the surface are taken into account.For this model, it is possible to deduce very simple explicit formulas, which are used for a qualitative discussion of the surface tension of polymer solutions. |
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