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Aerogels from Unaltered Bacterial Cellulose: Application of scCO2 Drying for the Preparation of Shaped, Ultra‐Lightweight Cellulosic Aerogels
Abstract
Bacterial cellulose produced by the gram‐negative bacterium Gluconacetobacter xylinum was found to be an excellent native starting material for preparing shaped ultra‐lightweight cellulose aerogels. The procedure comprises thorough washing and sterilization of the aquogel, quantitative solvent exchange and subsequent drying with supercritical carbon dioxide at 40 °C and 100 bar. The average density of the obtained dry cellulose aerogels is only about 8 mg · cm−3 which is comparable to the most lightweight silica aerogels and distinctly lower than all values for cellulosic aerogels obtained from plant cellulose so far. SEM, ESEM and nitrogen adsorption experiments at 77 K reveal an open‐porous network structure that consists of a comparatively high percentage of large mesopores and smaller macropores. magnified image
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Cited by
Yang, X., & Cranston, E. D. (2014) · Chemistry of Materials · doi:10.1021/cm502873c · Cited by 473
Karamikamkar, S., Yalcintas, E. P., Haghniaz, R., de Barros, N. R., Mecwan, M., Nasiri, R., Davoodi, E., Nasrollahi, F., Erdem, A., Kang, H., et al. (2023) · Advanced Science · doi:10.1002/advs.202204681 · Cited by 109
Metadata
- Authors
- Liebner, F., Haimer, E., Wendland, M., Neouze, M., Schlufter, K., Miethe, P., Heinze, T., Potthast, A., & Rosenau, T.
- Venue
- Macromolecular Bioscience
- Publisher
- Wiley
- Published
- 2010-04-06
- Volume
- 10
- Issue
- 4
- Pages
- 349-352
- ISSN
- 1616-5187 (ISSN-L)
- 1616-5195
- OpenAlex
- W2038618987
- Cited by
- 200
- References
- 0
- FWCI
- 4.64
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Aerogels from Unaltered Bacterial Cellulose: Application of scCO2 Drying for the Preparation of Shaped, Ultra‐Lightweight Cellulosic Aerogels. https://app.cochat.ai/papers/10.1002/mabi.200900371
- The paper
- Liebner, F., Haimer, E., Wendland, M., Neouze, M., Schlufter, K., Miethe, P., Heinze, T., Potthast, A., & Rosenau, T. (2010). Aerogels from Unaltered Bacterial Cellulose: Application of scCO2 Drying for the Preparation of Shaped, Ultra‐Lightweight Cellulosic Aerogels. Macromolecular Bioscience. https://doi.org/10.1002/mabi.200900371
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