Viscoelasticity of entangled random polystyrene ionomers

Quan Chen, Zhijie Zhang, Ralph H. Colby

Research output: Contribution to journalArticlepeer-review

68 Scopus citations


Using literature data for entangled polystyrene ionomers, a sticky double reptation model is developed and tested that effectively accounts for distributions in both chain length and number of ionic groups per chain. The model predicts that if there are more ionic groups than entanglements, the classic Leibler double plateau will be observed, with modulus from ion associations plus entanglements transitioning to that of just entanglements, beyond the association lifetime. Whereas at low enough ion content, there are more entanglements than ionic groups, resulting in a single plateau, with modulus from ion associations and entanglements, that persists until the sticky reptation time of the chains.

Original languageEnglish (US)
Pages (from-to)1031-1040
Number of pages10
JournalJournal of Rheology
Issue number6
StatePublished - Nov 1 2016

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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