Average Configuration of Finite Polymer with Excluded Volume Interaction

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A quasi‐thermodynamic model for expansion of polymer configuration in solution is investigated. The model is based on Gaussian distribution of segments and mean field theory of polymer solution. An in‐homogeneous contribution to the free energy of solution is proposed. It arises from the nonhomogeneous distribution of polymer segements. This effects makes the expansion factor α to be larger than those without the effect considered. Some numerical consequence for the case Polydimethylsiloxane+cyclohexane solution is calculated. Our theory predicts a larger value a than the case without inhomogeneous effect being considered. The difference becomes less significant at higher molecular weight.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalJournal of the Chinese Chemical Society
Issue number1
Publication statusPublished - Mar 1984
Externally publishedYes


  • Polymer configuration

ASJC Scopus subject areas

  • General Chemistry


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