Determination of crosslinking density of hydrogels prepared from microcrystalline cellulose

Zhiyong Xia, Marcia Patchan, Jeffrey Maranchi, Jennifer Elisseeff, Morgana Trexler

Research output: Contribution to journalArticlepeer-review

44 Scopus citations


Hydrogels with four different plant-based microcrystalline cellulose concentrations were prepared using the self-assembly technique. The interaction parameter between cellulose and water was determined by the classical Flory-Huggins theory, and was found to be around 0.44 with weak concentration dependence. The crosslinking density in these hydrogels was measured by both the Mooney-Rivlin equation and the Flory-Rehner theory. Reasonable consistency was found between the two methods albeit results from the Flory-Rehner theory were slightly higher due to the contribution from the physical crosslinks. The crosslinking density values for all four hydrogels determined from both methods were found to range from 19 to 56 mol/m3. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013

Original languageEnglish (US)
Pages (from-to)4537-4541
Number of pages5
JournalJournal of Applied Polymer Science
Issue number6
StatePublished - Mar 15 2013


  • Flory-Rehner
  • Mooney-Rivlin
  • cellulose hydrogels
  • crosslinking density
  • interaction parameter

ASJC Scopus subject areas

  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Materials Chemistry


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