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Jie Cai, Satoshi Kimura, Masahisa Wada, Shigenori Kuga and Lina Zhang Cellulose Aerogels from Aqueous Alkali Hydroxide–Urea Solution ChemSusChem 1

Version of Record online: 17 DEC 2007 | DOI: 10.1002/cssc.200700039

Thumbnail image of graphical abstract

No lightweight when it comes to strength: Highly porous and strong cellulose hydrogels are obtained by dissolution of cellulose in aqueous alkali–urea solution followed by regeneration from various solvents. Drying the hydrogels gives rise to cellulose aerogels (see photo, right) which may be useful, for example, as catalyst supports.

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