Swelling of cross-linked polyelectrolyte gels

A model of a cross-linked polyelectrolyte gel has been examined using Monte Carlo simulations. The simple model contained a charged defect-free network represented by linked charged beads and explicit counterions. Pressure-density relations for the polyelectrolyte gel, a corresponding non-ionic poly...

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Bibliographic Details
Published inThe European physical journal. E, Soft matter and biological physics Vol. 8; no. 5; pp. 457 - 460
Main Authors Schneider, S, Linse, P
Format Journal Article
LanguageEnglish
Published France 01.08.2002
Subjects
Chemical Sciences
Fysikalisk kemi
Kemi
Natural Sciences
Naturvetenskap
Physical Chemistry
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Summary:A model of a cross-linked polyelectrolyte gel has been examined using Monte Carlo simulations. The simple model contained a charged defect-free network represented by linked charged beads and explicit counterions. Pressure-density relations for the polyelectrolyte gel, a corresponding non-ionic polymer gel, and several partly or fully degraded gels have been determined. The polyelectrolyte gel displayed a very large swelling capacity, in agreement with experiments. The swelling mechanism and chain properties are discussed and foundations of current theories on gel swelling are examined.
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ISSN:1292-8941
DOI:10.1140/epje/i2002-10043-y