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High Mechanical Strength Double‐Network Hydrogel with Bacterial Cellulose

Nakayama, A., Kakugo, A., Gong, J. P., Osada, Y., Takai, M., Erata, T., Kawano, S.·2004·Advanced Functional Materials

Abstract

Double‐network (DN) hydrogels with high mechanical strength have been synthesized using the natural polymers bacterial cellulose (BC) and gelatin. As‐prepared BC contains 90 % water that can easily be squeezed out, with no more recovery in its swelling property. Gelatin gel is brittle and is easily broken into fragments under a modest compression. In contrast, the fracture strength and elastic modulus of a BC–gelatin DN gel under compressive stress are on the order of megapascals, which are several orders of magnitude higher than those of gelatin gel, and almost equivalent to those of articular cartilage. A similar enhancement in the mechanical strength was also observed for the combination of BC with polysaccharides, such as sodium alginate, gellan gum, and ι‐carrageenan.

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Metadata

Authors
Nakayama, A., Kakugo, A., Gong, J. P., Osada, Y., Takai, M., Erata, T., & Kawano, S.
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2004-11
Volume
14
Issue
11
Pages
1124-1128
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W2054630868
Cited by
716
References
0
FWCI
2.89
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: High Mechanical Strength Double‐Network Hydrogel with Bacterial Cellulose. https://app.cochat.ai/papers/10.1002/adfm.200305197
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Nakayama, A., Kakugo, A., Gong, J. P., Osada, Y., Takai, M., Erata, T., & Kawano, S. (2004). High Mechanical Strength Double‐Network Hydrogel with Bacterial Cellulose. Advanced Functional Materials. https://doi.org/10.1002/adfm.200305197

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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.