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. 2020 Nov 24;12(12):2779. doi: 10.3390/polym12122779

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Morphology of cellulose II aerogels made via (a) dissolution-gelation in NaOH-water [40] (Adapted with permission from Gavillon, R.; Budtova, T. Aerocellulose: New Highly Porous Cellulose Prepared from Cellulose—NaOH Aqueous Solutions. Biomacromolecules 2008, 9, 269–277. Copyright (2008) American Chemical Society), (b) dissolution in 1-ethyl-3-methylimidazolium acetate /DMSO [122] (Reprinted by permission from [Springer] [Cellulose] [Cellulose Aero-, Cryo-and Xerogels: Towards Understanding of Morphology Control, Buchtova, N.; Budtova, T., 23, 2585–2595] COPYRIGHT 2016) and (c) dissolution in molten Ca(SCN)₂·4H₂O [126] (Adapted from The Journal of Supercritical Fluids, 106, Karadagli, I.; Schulz, B.; Schestakow, M.; Milow, B.; Gries, T.; Ratke, L., Production of porous cellulose aerogel fibers by an extrusion process, 105–114, Copyright 2015, with permission from Elsevier).