The Polyrotaxane Gel: A Topological Gel by Figure-of-Eight Cross-links
Yasushi OkumuraDepartment of Applied Physics, Graduate School of Engineering, University of Tokyo, Hongo, Tokyo 113-8656 (Japan)Kohzo ItoGraduate School of Frontier Sciences, University of Tokyo, Hongo, Tokyo 113-8656 (Japan)
2001en
ABI
Аннотация
Supramolecules with topological characteristicshave attracted great interest both experimentally and theoretically. A new kind of gel has been obtained by chemically cross-linking polyrotaxane molecules in solution. The polymer chains are topologically interlocked by figure-of-eight cross-links (see Figure), which can pass along the polymer chains freely to equalize the “tension” of the threaded polymer chains just like pulleys.
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