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Zhong, J. Epoxy Vitrimer. Encyclopedia. Available online: https://encyclopedia.pub/entry/61974 (accessed on 12 November 2026).
Zhong J. Epoxy Vitrimer. Encyclopedia. Available at: https://encyclopedia.pub/entry/61974. Accessed November 12, 2026.
Zhong, Jack. "Epoxy Vitrimer" Encyclopedia, https://encyclopedia.pub/entry/61974 (accessed November 12, 2026).
Zhong, J. (2026, November 05). Epoxy Vitrimer. In Encyclopedia. https://encyclopedia.pub/entry/61974
Zhong, Jack. "Epoxy Vitrimer." Encyclopedia. Web. 05 November, 2026.

Epoxy Vitrimer

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Epoxy vitrimers are crosslinked epoxy networks whose junctions are dynamic covalent bonds that exchange without dissolving the network [1]. The resin is cured with a hardener carrying the exchangeable linkage, typically an ester, a disulfide or a boronate ester, so the topology rearranges while the crosslink density is preserved [1]. Above the topology freezing transition the exchange rate exceeds the relaxation of the network, and the solid flows as a glass-forming liquid while remaining insoluble [1]. Below that temperature the same network behaves as a conventional thermoset [2]. Because the exchange is associative, the number of bonds stays constant throughout the rearrangement [3].

vitrimer network dynamic covalent bond transesterification topology freezing transition associative exchange
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References

  1. Shi, Q.; Yu, K.; Kuang, X.; Mu, X.; Dunn, C.K.; Dunn, M.L.; Wang, T.; Jerry Qi, H. Recyclable 3D printing of vitrimer epoxy. Materials Horizons 2017, 4, 598-607. [CrossRef]
  2. Kumar, S.; Krishnan, S.; Prabakaran, K. Renewable Resource-Based Epoxy Vitrimer Composites for Future Application: A Comprehensive Review. ACS Sustainable Resource Management 2024, 1, 2086-2107. [CrossRef]
  3. Yao, H.; Xu, X.; Chen, Z.; Li, K.; Wang, T.; Pei, S.; Fu, J.; Wang, J. A review of epoxy vitrimer-based thermally conductive composites. RSC Advances 2025, 15, 37908-37925. [CrossRef]
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Subjects: Nuclear Science & Technology
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
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Revisions: 3 times (View History)
Update Date: 06 Nov 2026
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