Modeling investigation of volume variation kinetics of fast response hydrogels

Shunnian Wu*, Hua Li, J. Paul Chen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


Fast response hydrogels have attracted great attention recently. Three kinds of models with different complexity are available in the literature to investigate their volume variation kinetics. A phenomenal model based on second-order reaction kinetics provides a simple method to correlate the experimental kinetic data. A power law model can be employed to evaluate different volume variation mechanisms according to the diffusion exponential coefficient. The multi-field model incorporates mechanical deformation with the diffusion of ion species. The volume variation rate is dependent on both hydrogel molecular design and operation conditions.

Original languageEnglish
Pages (from-to)113-130
Number of pages18
JournalPolymer Reviews
Issue number2
StatePublished - May 2004
Externally publishedYes


  • Hydrogels
  • Modeling and simulation
  • Swelling rates
  • Volume variation kinetics

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