Changmei Zhao et al 2005 J. Phys.: Condens. Matter 17 S2841 doi:10.1088/0953-8984/17/31/009
Changmei Zhao1, Yusuke Domon1, Yasushi Okumura1,3, Satoshi Okabe2, Mitsuhiro Shibayama2 and Kohzo Ito1,3
Show affiliationsThe sliding modes of cyclic molecules in polyrotaxane and of cross-linking junctions in topological gel or slide-ring gel were investigated by quasi-elastic light scattering. We found that a polyrotaxane sparsely including α-cyclodextrin showed the sliding mode in solution other than the self- and cooperative-diffusion modes whereas the sliding mode was not observed in a polyrotaxane densely including α-cyclodextrin. After gelation of the sparse polyrotaxane, the self-diffusion mode of the polyrotaxane disappeared but the sliding mode was still observed. This indicated that the figure-of-eight cross-links in the slide-ring gel slid in the polymer network, passing through the polymer chains.
66.10.C- Diffusion and thermal diffusion
78.35.+c Brillouin and Rayleigh scattering; other light scattering
61.25.H- Macromolecular and polymers solutions; polymer melts
Soft matter, liquids and polymers
Issue 31 (10 August 2005)
Received 10 June 2005
Published 22 July 2005
Changmei Zhao et al 2005 J. Phys.: Condens. Matter 17 S2841
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