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The European Physical Journal E

, Volume 8, Supplement 1, pp 457–460 | Cite as

Swelling of cross-linked polyelectrolyte gels

  • S. Schneider
  • P. Linse
Rapid Note

Abstract:

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.

PACS. 82.70.Gg Gels and sols – 61.25.Hq Macromolecular and polymer solutions; polymer melts; swelling – 82.60.Lf Thermodynamics of solutions 

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Copyright information

© EDP Sciences, Springer-Verlag, Società Italiana di Fisica 2002

Authors and Affiliations

  • S. Schneider
    • 1
  • P. Linse
    • 1
  1. 1.Physical Chemistry 1, Center for Chemistry and Chemical Engineering, Lund University, P.O. Box 124, S-221 00 Lund, SwedenSE

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