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6 - Structure and Thermodynamics in Homogeneous Polyelectrolyte Solutions

Published online by Cambridge University Press:  16 February 2023

Murugappan Muthukumar
Murugappan Muthukumar
Affiliation:
University of Massachusetts, Amherst
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Summary

The general premise of this chapter is to address thermodynamic behaviors and structure of charged macromolecules in non-dilute conditions, such as semidilute and concentrated solutions. After a summary of uncharged macromolecules in concentrated solutions, the coupling between the electrostatic and topological correlations is treated. Five regimes of polymer concentrations are outlined accompanied by a collection of experimental data. Spontaneous formation of large aggregates formed by similarly charged macromolecules is described in detail.

Keywords

Overlap concentrationFlory-Huggins theorypolyelectrolyte peakconcentration fluctuationsscaling lawsEdwards lengthexcluded volume screening lengthdouble screening theoryaggregationattraction between similarly charged molecules
Type
Chapter
Information
Physics of Charged Macromolecules
Synthetic and Biological Systems
 , pp. 159 - 195
Publisher: Cambridge University Press
Print publication year: 2023

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