Radius of gyration and intrinsic viscosity of polyelectrolyte solutions
Book
·
OSTI ID:141792
- CNRS, Cedex (France)
Relatively low molecular weights polyelectrolytes (10{sup 4}-10{sup 6}) behave as worm-like chain when electrostatic repulsions are assumed to govern the excluded volume parameter. Under such conditions, predictions of chain expansion and effect of polyelectrolyte concentrations are made assuming that unperturbed dimensions could be obtained at infinite salt content. Experimental studies of an ionic polysaccharide, namely the Na-hyaluronate, were done and the values obtained for the radius of gyration as well as the intrinsic viscosity at different charge densities are in good agreement with the predictions.
- OSTI ID:
- 141792
- Report Number(s):
- CONF-930304--
- Country of Publication:
- United States
- Language:
- English
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