Summary
The Flory theory of polymer solution was modified by assuming the non-additivity of the number of the degree of external freedom for a binary mixture and applied the modified Flory theory to poly (dimethylsiloxane)-solvent systems. This theory can reproduce the experimental results of the interaction parameter χ and the excess volume of mixing, which the Flory theory failed to reproduce.
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Fujisawa, K., Shiomi, T., Hamada, F. et al. Theoretical consideration on the number of external degrees of freedom and its application to poly(dimethylsiloxane) solutions. Polymer Bulletin 3, 261–266 (1980). https://doi.org/10.1007/BF00254871
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DOI: https://doi.org/10.1007/BF00254871