Intraphase separation and gelation of methylated polyrotaxane solutions

Toshiyuki Kataoka, Masatoshi Kidowaki, Changming Zhao, Kohzo Ito

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The aqueous solutions of polyrotaxanes composed of polyethylene glycol and methylated α-CDs were investigated by DSC, X-ray diffraction (XRD), and rheological measurements. With increasing temperature, these aqueous solutions show sol to gel transition since hydrophobic interaction among methylated CDs. Rheological properties of MePR solutions revieals that the solutions show critical behavior near sol-gel transition threashold. The scaling exponent of this solution was close to the value predicted by the gel percolation theory.

Original languageEnglish
Title of host publicationPolymer Preprints, Japan
Pages4549-4550
Number of pages2
Volume55
Edition2
Publication statusPublished - 2006
Externally publishedYes
Event55th Society of Polymer Science Japan Symposium on Macromolecules - Toyama
Duration: 2006 Sep 202006 Sep 22

Other

Other55th Society of Polymer Science Japan Symposium on Macromolecules
CityToyama
Period06/9/2006/9/22

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Keywords

  • Cyclodextrin
  • Microphase separation
  • Polyrotaxane
  • Rheology
  • Slide-ring gel
  • Thermoreversible gel

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Kataoka, T., Kidowaki, M., Zhao, C., & Ito, K. (2006). Intraphase separation and gelation of methylated polyrotaxane solutions. In Polymer Preprints, Japan (2 ed., Vol. 55, pp. 4549-4550)