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Recoverable and Self-Healing Double Network Hydrogel Based on κ-Carrageenan
Abstract
Combining an ionically cross-linked κ-carrageenan network with a covalently cross-linked polyacrylamide network, we have fabricated a κ-carrageenan/polyacrylamide double network (DN) hydrogel using a one-pot method. The resulting DN hydrogel exhibited a high elastic modulus of 280 kPa and a fracture energy of 6150 J/m 2 . A model has been proposed considering unzipping of double-helical aggregates and dissociation of double helices of κ-carrageenan, which could well interpret the continuous fracture process of the first κ-carrageenan network and the toughening mechanism of the physically and chemically cross-linked κ-carrageenan/polyacrylamide DN hydrogel. Owing to the thermoreversible nature of κ-carrageenan, the DN hydrogel also exhibited the excellent recoverable property. For example, the elastic modulus and energy dissipation could be recovered to 100% and 98% after the deformed and relaxed DN samples were stored at 90 °C for 20 min. Furthermore, the temperature-dependent sol–gel transition is also related to the self-healing property of the DN hydrogel.
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Cited by
Self-Healing Injectable Hydrogels for Tissue Regeneration
Bertsch, P., Diba, M., Mooney, D. J., & Leeuwenburgh, S. C. G. (2023) · Chemical Reviews · doi:10.1021/acs.chemrev.2c00179 · Cited by 892
Xu, X., Jerca, V. V., & Hoogenboom, R. (2021) · Materials Horizons · doi:10.1039/d0mh01514h · Cited by 532
Wu, J., Wu, Z., Xu, H., Wu, Q., Liu, C., Yang, B.-R., Gui, X., Xie, X., Tao, K., Shen, Y., et al. (2019) · Materials Horizons · doi:10.1039/c8mh01160e · Cited by 391
Bai, R., Yang, J., & Suo, Z. (2019) · European Journal of Mechanics - A/Solids · doi:10.1016/j.euromechsol.2018.12.001 · Cited by 346
Wu, J., Wu, Z., Lu, X., Han, S., Yang, B.-R., Gui, X., Tao, K., Miao, J., & Liu, C. (2019) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.8b20267 · Cited by 336
Metadata
- Authors
- Liu, S., & Li, L.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-10-19
- Volume
- 8
- Issue
- 43
- Pages
- 29749-29758
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W2529920624
- Cited by
- 175
- References
- 0
- FWCI
- 7.09
- Type
- journal article
- Language
- en
- Open access
- closed
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- Liu, S., & Li, L. (2016). Recoverable and Self-Healing Double Network Hydrogel Based on κ-Carrageenan. ACS Applied Materials & Interfaces. https://doi.org/10.1021/acsami.6b11363
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