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Charge regularization in phase separating polyelectrolyte solutions

Content Provider	PubMed Central
Author	Muthukumar, M. Hua, Jing Kundagrami, Arindam
Copyright Year	2010
Abstract	Theoretical investigations of phase separation in polyelectrolyte solutions have so far assumed that the effective charge of the polyelectrolyte chains is fixed. The ability of the polyelectrolyte chains to self-regulate their effective charge due to the self-consistent coupling between ionization equilibrium and polymer conformations, depending on the dielectric constant, temperature, and polymer concentration, affects the critical phenomena and phase transitions drastically. By considering salt-free polyelectrolyte solutions, we show that the daughter phases have different polymer charges from that of the mother phase. The critical point is also altered significantly by the charge self-regularization of the polymer chains. This work extends the progress made so far in the theory of phase separation of strong polyelectrolyte solutions to a higher level of understanding by considering chains which can self-regulate their charge.
Related Links	http://dx.doi.org/10.1063/1.3328821
Starting Page	84901
File Format	PDF
ISSN	00219606
e-ISSN	10897690
Journal	The Journal of Chemical Physics
Issue Number	8
Volume Number	132
Language	English
Publisher	American Institute of Physics
Publisher Date	2010-01-01
Access Restriction	Open
Rights Holder	American Institute of Physics
Subject Keyword	Physical and Theoretical Chemistry Physics and Astronomy(all) Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Medicine Physical and Theoretical Chemistry

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