Predictability of properties in ternary n-alkane/butanone/poly(dimethylsiloxane) systems from flory-huggins binary interaction parameters and inversion point in preferential solvation |
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| Affiliation: | 1. (L.U.Q.C.A), Laboratorio Universitario de Química y Contaminación del Aire, Instituto de Investigaciones en Fisicoquímica de Córdoba (I.N.F.I.Q.C.), Dpto. de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina;2. Institute for Atmospheric and Environmental Research, University of Wuppertal, DE-42097, Wuppertal, Germany;1. Tsinghua University, Department of Engineering Physics, Beijing 100084, China;2. China Nuclear Power Technology Research Institute, Reactor Engineering and Safety Research Center, Shenzhen, Guangdong 518031, China;1. Department of Materials Science and Engineering, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea;2. Department of Advanced Green Energy and Environment, Handong Global University, Pohang 791-708, Republic of Korea;3. Research & Development Center, Green Science, Taebaek 235-100, Republic of Korea |
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| Abstract: | An empirical procedure has been developed, based on the Flory-Huggins theory as generalized by Pouchlý, which permits the calculation of preferential sorption coefficient, λ, and the total sorption term, Y, from previous information on the binary interaction parameters, χ13′0, χ230 and g12(φ10) and of the mixture composition at which the sign of λ inverts. The obtained expressions were applied to seven cosolvent polymer systems, n-alkane/butanone/poly(dimethylsiloxane), for which experimental values of λ and Y are known. In all the studied systems, the theoretical predictions are in fair accord with the experimental data. |
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