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Dr. Jie Cai, Shilin Liu, Jiao Feng, Satoshi Kimura, Masahisa Wada, Prof. Dr. Shigenori Kuga and Prof. Lina Zhang Cellulose–Silica Nanocomposite Aerogels by In Situ Formation of Silica in Cellulose Gel Angewandte Chemie International Edition 51

Article first published online: 24 JAN 2012 | DOI: 10.1002/anie.201105730

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Light support: Regenerated cellulose gel prepared from an aqueous alkali–urea solution serves as scaffold/template for the in situ preparation of cellulose–silica composite aerogels (see picture) by a sol–gel process from organic silicates, and drying with supercritical CO2. The resulting composite aerogels have the mechanical strength and flexibility, large surface area, semi-transparency, and low thermal conductivity of the cellulose aerogels.

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