Polyelectrolyte shells of copolymer micelles in aqueous solutions: a Monte Carlo study

Multimolecular micelles, formed by polystyrene-block-poly(methacrylic acid) in water, are studied by lattice Monte Carlo method. Electrostatic interactions are calculated in the mean-field approximation by solving the Poisson-Boltzmann equation. The model is parametrized according to available exper...

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Bibliographic Details
Published in:The Journal of chemical physics 2004-08, Vol.121 (5), p.2367-2375
Main Authors: Uhlík, Filip, Limpouchová, Zuzana, Jelínek, Karel, Procházka, Karel
Format: Article
Language:English
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Summary:Multimolecular micelles, formed by polystyrene-block-poly(methacrylic acid) in water, are studied by lattice Monte Carlo method. Electrostatic interactions are calculated in the mean-field approximation by solving the Poisson-Boltzmann equation. The model is parametrized according to available experimental data. The dependence of micellar size on pH and ionic strength is calculated and compared with experimental data. A special attention is devoted to the behavior in solutions with a low ionic strength.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.1763571