Gelation in Strongly Charged Polyelectrolytes

A. V. Ermoshkin*, M. Olvera de la Cruz

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

Crosslinking of strongly charged chains via multivalent ions of valence z was treated within the Flory approach, which accounts only for the treelike architecture of the clusters formed. Density-density correlations due to the electrostatic nature of the system were considered with a modified random-phase approximation. At a certain concentration of multivalent ions that play the role of effective stickers among 2 monomers, an infinitely large polymer network was formed. We analyzed the gelation driven by the formation of locally neutral clusters induced by divalent and trivalent ions.

Original languageEnglish (US)
Pages (from-to)766-776
Number of pages11
JournalJournal of Polymer Science, Part B: Polymer Physics
Volume42
Issue number5
DOIs
StatePublished - Mar 1 2004

Keywords

  • Crosslinking
  • Gelation
  • Networks
  • Polyelectrolytes

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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