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Approximate expression for the electrophoretic mobility of a spherical colloidal particle covered with an ion-penetrable uncharged polymer Layer

Approximate expression for the electrophoretic mobility of a spherical colloidal particle covered... An approximate analytic expression is derived for the electrophoretic mobility of a charged spherical colloidal particle covered with an ion-penetrable uncharged polymer layer in an electrolyte solution by taking into account the relaxation effects. This expression is applicable for all values of zeta potentials at large κa(κa≥ca. 30), where κ is the Debye–Huckel parameter and a is the radius of the particle core. A simple expression for the ratio of the electrophoretic mobility of a polymer-coated particle to that of a bare particle without a polymer layer is also given. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Colloid Polymer Science Springer Journals

Approximate expression for the electrophoretic mobility of a spherical colloidal particle covered with an ion-penetrable uncharged polymer Layer

Colloid Polymer Science , Volume 283 (8) – Dec 1, 2004

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References (12)

Publisher
Springer Journals
Copyright
Copyright © 2004 by Springer-Verlag
Subject
Chemistry
ISSN
0303-402X
eISSN
1435-1536
DOI
10.1007/s00396-004-1232-y
Publisher site
See Article on Publisher Site

Abstract

An approximate analytic expression is derived for the electrophoretic mobility of a charged spherical colloidal particle covered with an ion-penetrable uncharged polymer layer in an electrolyte solution by taking into account the relaxation effects. This expression is applicable for all values of zeta potentials at large κa(κa≥ca. 30), where κ is the Debye–Huckel parameter and a is the radius of the particle core. A simple expression for the ratio of the electrophoretic mobility of a polymer-coated particle to that of a bare particle without a polymer layer is also given.

Journal

Colloid Polymer ScienceSpringer Journals

Published: Dec 1, 2004

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