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Zhong, J. Polyrotaxane. Encyclopedia. Available online: https://encyclopedia.pub/entry/61251 (accessed on 09 November 2026).
Zhong J. Polyrotaxane. Encyclopedia. Available at: https://encyclopedia.pub/entry/61251. Accessed November 09, 2026.
Zhong, Jack. "Polyrotaxane" Encyclopedia, https://encyclopedia.pub/entry/61251 (accessed November 09, 2026).
Zhong, J. (2026, October 22). Polyrotaxane. In Encyclopedia. https://encyclopedia.pub/entry/61251
Zhong, Jack. "Polyrotaxane." Encyclopedia. Web. 22 October, 2026.

Polyrotaxane

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Polyrotaxane is a supramolecular polymer in which cyclic molecules are threaded onto a linear axle and held there by bulky end groups, so the rings slide and rotate without detaching [1]. Amino-acid-derivatised polyrotaxane conjugates crosslink into slide-ring gels whose pendant groups set the swelling and the mechanics [1]. A one-pot route converts polyisoprene into a polyrotaxane and then into a slide-ring gel without isolating the intermediate [2]. In solid electrolytes, slide-ring mobility governs ion transport and delivers stable cycling against lithium metal [3]. Blends of poly(butylene succinate) with grafted polyrotaxane, made by controlled reactive processing, gain toughness while remaining biodegradable [4]. Slide-ring structures also enter optoelectronic composites, where the movable crosslinks relieve the strain that would crack a conventional network [5].

cyclic molecule threading slide-ring gel supramolecular polymer cyclodextrin solid electrolyte movable crosslink
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References

  1. Araki, J.; Sainou, N. Amino acid-derivatized slide-ring gels: Chemical crosslinking of polyrotaxane conjugates with different amino acid pendant groups. Polymer 2015, 74, 133-143. [CrossRef]
  2. Kali, G.; Eisenbarth, H.; Wenz, G. One Pot Synthesis of a Polyisoprene Polyrotaxane and Conversion to a Slide‐Ring Gel. Macromolecular Rapid Communications 2016, 37, 67-72. [CrossRef]
  3. Hua, J.; Wang, S.; Zhou, A.; Zeng, X.; Lan, J.; Yu, Y.; Jia, X.; Yang, X. Slide-ring-mediated ion transport in polyrotaxane solid electrolytes for stable lithium metal batteries. Polymer 2026, 366, 130802. [CrossRef]
  4. Kitada, Y.; Ishigami, A.; Kobayashi, Y.; Suetsugu, Y.; Taguchi, H.; Kikuchi, T.; Ito, H. Synthesis of High-Performance and Biodegradable Polymer Blends Based on Poly(butylene succinate) and Grafted Polyrotaxane via Controlled Reactive Processing. Polymers 2025, 18, 38. [CrossRef]
  5. Resmerita, A.; Asandulesa, M.; Farcas, A. Composite materials based on slide‐ring polyrotaxane structures for optoelectronics. Journal of Polymer Science 2024, 62, 5030-5040. [CrossRef]
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Subjects: Chemistry, Organic
Contributor MDPI registered users' name will be linked to their SciProfiles pages. To register with us, please refer to https://encyclopedia.pub/register : Jack Zhong
View Times: 10
Entry Collection: Polymer Concepts
Revisions: 3 times (View History)
Update Date: 06 Nov 2026
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