The DOI matches its Crossref record; 43 of the 43 references it cites were found in a registry or an index.
Rapid Stress Relaxation and Moderate Temperature of Malleability Enabled by the Synergy of Disulfide Metathesis and Carboxylate Transesterification in Epoxy Vitrimers
Abstract
Vitrimers make up a class of polymeric materials combining the advantages of thermosets and thermoplastics, because they can be reprocessed while being at the same time permanently cross-linked. However, a long heating duration or an elevated temperature is necessary for most vitrimers to relax the stress from deformation and exhibit malleability. Herein, a disulfide-containing carboxylic acid is applied as a curing agent to synthesize epoxy vitrimers with simultaneous disulfide metathesis and carboxylate transesterification. The insoluble networks exhibit rapid stress relaxation and have relaxation times ranging from 1.5 s (200 °C) to 5500 s (60 °C), while the temperature of malleability is as low as 65 °C. Moreover, this vitrimer can be efficiently reprocessed at 100 °C in 1 h with full recovery of mechanical strength for at least four cycles. Additionally, such a material is simply synthesized from commercially available chemicals and may have potential applications in the electronics industry where a high temperature is not allowed.
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Cites
Silica-Like Malleable Materials from Permanent Organic Networks
Montarnal, D., Capelot, M., Tournilhac, F., & Leibler, L. (2011) · Science · doi:10.1126/science.1212648 · Cited by 3,625
A Thermally Re-mendable Cross-Linked Polymeric Material
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Vitrimers: permanent organic networks with glass-like fluidity
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High-performance vitrimers from commodity thermoplastics through dioxaborolane metathesis
Röttger, M., Domenech, T., van der Weegen, R., Breuillac, A., Nicolaÿ, R., & Leibler, L. (2017) · Science · doi:10.1126/science.aah5281 · Cited by 1,394
Covalent adaptable networks: smart, reconfigurable and responsive network systems
Kloxin, C. J., & Bowman, C. N. (2013) · Chem. Soc. Rev. · doi:10.1039/c3cs60046g · Cited by 1,370
Catalytic Control of the Vitrimer Glass Transition
Capelot, M., Unterlass, M. M., Tournilhac, F., & Leibler, L. (2012) · ACS Macro Letters · doi:10.1021/mz300239f · Cited by 1,206
Metal-Catalyzed Transesterification for Healing and Assembling of Thermosets
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Covalent Adaptable Networks (CANs): A Unique Paradigm in Cross-Linked Polymers
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Cited by
Elastic vitrimers: Beyond thermoplastic and thermoset elastomers
Luo, J., Demchuk, Z., Zhao, X., Saito, T., Tian, M., Sokolov, A. P., & Cao, P.-F. (2022) · Matter · doi:10.1016/j.matt.2022.04.007 · Cited by 281
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Metadata
- Authors
- Chen, M., Zhou, L., Wu, Y., Zhao, X., & Zhang, Y.
- Venue
- ACS Macro Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-02-26
- Volume
- 8
- Issue
- 3
- Pages
- 255-260
- ISSN
- 2161-1653 (ISSN-L)
- OpenAlex
- W2915472035
- Cited by
- 389
- References
- 43
- FWCI
- 15.47
- Type
- journal article
- Language
- en
- Open access
- closed
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- Chen, M., Zhou, L., Wu, Y., Zhao, X., & Zhang, Y. (2019). Rapid Stress Relaxation and Moderate Temperature of Malleability Enabled by the Synergy of Disulfide Metathesis and Carboxylate Transesterification in Epoxy Vitrimers. ACS Macro Letters. https://doi.org/10.1021/acsmacrolett.9b00015
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