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Experimental development of a new gel using topologically interlocked polyrotaxane molecules, indicating significant advancements in polymer science.
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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Okumura et al. (2001) studied this question.
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