Two-parameter model predictions and theta-point crossover for linear-polymer solutions

Details Two-parameter model predictions and theta-point crossover for linear-polymer solutions Two-parameter model predictions and theta-point crossover for linear-polymer solutions

2007-10-17

arxiv.org/abs/0710.3310v1

J. Chem. Phys. 128: 065104, 2008

Physics

Condensed Matter

Soft Condensed Matter

27 pages, 12 figures

Scientific paper

10.1063/1.2826378

We consider the first few virial coefficients of the osmotic pressure, the radius of gyration, the hydrodynamic radius, and the end-to-end distance for a monodisperse polymer solution. We determine the corresponding two-parameter model functions which parametrize the crossover between the good-solvent and the ideal-chain behavior. These results allow us to predict the osmotic pressure and the polymer size in the dilute regime in a large temperature region above the theta-point.

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