Abstract
The second virial coefficient A2 for binary polystyrene mixtures F1 (10000)+F7 (74000) and F4 (43600)+F40 (491000) in cyclohexane was determined by light scattering in the temperature range from θ down near the cloud point. Here, the figures in the parentheses indicate the weight-average molecular weights of the component “monodisperse” samples. It was found that A2 did not depend on either the molecular weights of the component polymers or the composition of the mixture but varied only with temperature.
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References
Z. Tong, S. Ohashi, Y. Einaga, and H. Fujita, Polym. J., 15, 835 (1983).
M. Kurata, “Thermodynamics of Polymer Solutions,” translated from the Japanese by H. Fujita, Harwood Academic, New York, 1982.
Th. G. Scholte, J. Polym. Sci., A-2, 8, 841 (1970).
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Tong, Z., Einaga, Y. Second Virial Coefficient of Binary Polystyrene Mixtures in Cyclohexane below the Theta Temperature. Polym J 16, 641–646 (1984). https://doi.org/10.1295/polymj.16.641
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DOI: https://doi.org/10.1295/polymj.16.641