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Tough and highly stretchable graphene oxide/polyacrylamide nanocomposite hydrogels
Abstract
Polyacrylamide (PAM)/graphene oxide (GO) nanocomposite hydrogels (PGH) with GO nanosheets as cross-linkers were synthesized via in situ free radical polymerization of acrylamide in an aqueous suspension of GO. The tensile properties of the hydrogels were investigated in terms of type and content of cross-linkers. Compared to conventional PAM hydrogels (PBH) cross-linked chemically with N,N′-methylenebisacrylamide, PGH exhibits high tensile strength, high toughness and especially a large elongation at break. The tensile strength of PGH is about 4.5 times higher than that of PBH, and the elongation at break is over 3000%, nearly one order higher than that of PBH even when the content of GO is only 0.0079 wt%. By analyzing the cross-linked structure of PGH and the theoretical calculation on the number of cross-linked polymer chains per unit volume of gels, a structure model was thus proposed.
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Cites
Graphene-based composite materials
Stankovich, S., Dikin, D. A., Dommett, G. H. B., Kohlhaas, K. M., Zimney, E. J., Stach, E. A., Piner, R. D., Nguyen, S. T., & Ruoff, R. S. (2006) · Nature · doi:10.1038/nature04969 · Cited by 12,922
Cited by
Multi-scale multi-mechanism design of tough hydrogels: building dissipation into stretchy networks
Zhao, X. (2014) · Soft Matter · doi:10.1039/c3sm52272e · Cited by 1,252
Chabot, V., Higgins, D., Yu, A., Xiao, X., Chen, Z., & Zhang, J. (2014) · Energy & Environmental Science · doi:10.1039/c3ee43385d · Cited by 1,119
Jeong, D., Kim, C., Kim, Y., & Jung, S. (2020) · European Polymer Journal · doi:10.1016/j.eurpolymj.2020.109586 · Cited by 147
Trucco, D., Vannozzi, L., Teblum, E., Telkhozhayeva, M., Nessim, G. D., Affatato, S., Al‐Haddad, H., Lisignoli, G., & Ricotti, L. (2021) · Advanced Healthcare Materials · doi:10.1002/adhm.202001434 · Cited by 94
Metadata
- Authors
- Liu, R., Liang, S., Tang, X.-Z., Yan, D., Li, X., & Yu, Z.-Z.
- Venue
- Journal of Materials Chemistry
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2012
- Volume
- 22
- Issue
- 28
- Pages
- 14160
- ISSN
- 0959-9428 (ISSN-L)
- 1364-5501
- OpenAlex
- W2159027593
- Cited by
- 500
- References
- 1
- FWCI
- 11.24
- Type
- journal article
- Language
- en
- Open access
- closed
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- Liu, R., Liang, S., Tang, X.-Z., Yan, D., Li, X., & Yu, Z.-Z. (2012). Tough and highly stretchable graphene oxide/polyacrylamide nanocomposite hydrogels. Journal of Materials Chemistry. https://doi.org/10.1039/c2jm32541a
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
