TY - CONF
T1 - Thermogelation of polyrotaxane solutions via hydrophobic interactions
AU - Kataoka, Toshiyuki
AU - Kidowaki, Masatoshi
AU - Zhao, Changming
AU - Nakajima, Takao
AU - Okamoto, Yuya
AU - Ito, Kohzo
PY - 2005/12/1
Y1 - 2005/12/1
N2 - The aqueous solutions of polyrotaxanes composed of polyethylene glycol and methylated α-CDs were investigated by DSC, X-ray diffraction (XRD), and Theological measurements. With increasing temperature, these aqueous solutions show sol to gel transition since hydrophobic interaction among methylated CDs. XRD patterns for MePR solution in gel state exhibits several reflections, suggesting that cross-links in MePR hydrogel are formed from crystal structures of CDs.
AB - The aqueous solutions of polyrotaxanes composed of polyethylene glycol and methylated α-CDs were investigated by DSC, X-ray diffraction (XRD), and Theological measurements. With increasing temperature, these aqueous solutions show sol to gel transition since hydrophobic interaction among methylated CDs. XRD patterns for MePR solution in gel state exhibits several reflections, suggesting that cross-links in MePR hydrogel are formed from crystal structures of CDs.
KW - Cyclodextrin
KW - Differential scanning calorimetry
KW - Polyrotaxane
KW - Rheology
KW - Thermoreversible gels
KW - X-ray diffraction
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M3 - Paper
AN - SCOPUS:33645647843
T2 - 54th SPSJ Symposium on Macromolecules
Y2 - 20 September 2005 through 22 September 2005
ER -