Equation of state for polymer chains in good solvents

L. Lue

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A free-energy model is developed for polymer chains in good solvents. This model, which combines the ideas of polymer field theory with liquid-state theory, is valid in the dilute, semidilute, and concentrated regimes. The model is compared against computer simulation data for the equation of state of tangent hard-sphere chain fluids. At low concentrations, it accurately describes the thermodynamics of tangent hard-sphere chains, reproducing the universal scaling behavior of long chains. At high concentrations, the model has an accuracy comparable to those of previous equations of state for tangent hard-sphere chains.
    Original languageEnglish
    Pages (from-to)3442-3449
    Number of pages7
    JournalJournal of Chemical Physics
    Volume112
    Issue number7
    Publication statusPublished - 15 Feb 2000

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