Concentration Dependence of Excluded Volume Effects
Kazumi Suematsu
TL;DR
This paper investigates how excluded volume effects in polymer solutions diminish with increasing concentration, showing that these effects vanish at medium concentrations, aligning with recent experimental findings.
Contribution
It provides a thermodynamic explanation for the concentration-dependent disappearance of excluded volume effects in polymer solutions.
Findings
Excluded volume effects disappear at medium concentrations.
Thermodynamic arguments support experimental observations.
Theoretical results align with recent experimental data.
Abstract
The concentration dependence of the excluded volume effects in polymer solutions is investigated. Through thermodynamic arguments for the interpenetration of polymer segments and the free energy change, we show that the disappearance of the excluded volume effects should occur at medium concentration. The result is in accord with the recent experimental observations.
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Taxonomy
TopicsPhase Equilibria and Thermodynamics · Advanced Thermodynamics and Statistical Mechanics · Experimental and Theoretical Physics Studies