Reversible gelation model predictions of the linear viscoelasticity of oligomeric sulfonated polystyrene ionomer blends

Chongwen Huang, Chao Wang, Quan Chen, Ralph H. Colby, R. A. Weiss

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The linear viscoelastic (LVE) behavior of oligomeric sulfonated polystyrene ionomers (SPS) and binary blends of two SPS ionomers with different sulfonation levels and cations was compared to the predictions of the reversible gelation model for the rheology of ionomers [ Macromolecules 2015, 48, 1221 1230 ]. Binary blends had the same gel point as the neat ionomer components if a linear mixing rule was used to calculate an average sulfonation level for the blend. The binary blends, however, exhibited a broader relaxation time distribution than the neat ionomers having the same number density of ions. A linear mixing rule for the ionic dissociation frequency of the blend was proposed, and when incorporated into the reversible gelation model, reasonable predictions of the terminal relaxation time of the blends were achieved.

Original languageEnglish (US)
Pages (from-to)3936-3947
Number of pages12
JournalMacromolecules
Volume49
Issue number10
DOIs
StatePublished - May 24 2016

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Ionomers
Polystyrenes
Viscoelasticity
Gelation
Sulfonation
Relaxation time
Macromolecules
Rheology
Cations
Gels
Positive ions
Ions

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Huang, Chongwen ; Wang, Chao ; Chen, Quan ; Colby, Ralph H. ; Weiss, R. A. / Reversible gelation model predictions of the linear viscoelasticity of oligomeric sulfonated polystyrene ionomer blends. In: Macromolecules. 2016 ; Vol. 49, No. 10. pp. 3936-3947.
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Reversible gelation model predictions of the linear viscoelasticity of oligomeric sulfonated polystyrene ionomer blends. / Huang, Chongwen; Wang, Chao; Chen, Quan; Colby, Ralph H.; Weiss, R. A.

In: Macromolecules, Vol. 49, No. 10, 24.05.2016, p. 3936-3947.

Research output: Contribution to journalArticle

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AB - The linear viscoelastic (LVE) behavior of oligomeric sulfonated polystyrene ionomers (SPS) and binary blends of two SPS ionomers with different sulfonation levels and cations was compared to the predictions of the reversible gelation model for the rheology of ionomers [ Macromolecules 2015, 48, 1221 1230 ]. Binary blends had the same gel point as the neat ionomer components if a linear mixing rule was used to calculate an average sulfonation level for the blend. The binary blends, however, exhibited a broader relaxation time distribution than the neat ionomers having the same number density of ions. A linear mixing rule for the ionic dissociation frequency of the blend was proposed, and when incorporated into the reversible gelation model, reasonable predictions of the terminal relaxation time of the blends were achieved.

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