Abstract
Tin dioxide-based aerogels were produced by supercritical drying of gels, synthesized using propylene oxide, in CO2 and isopropanol. Aerogels consisted of nanocrystalline cassiterite and had a specific surface area of 210–270 m2/g. Sulfation with sulfuryl chloride imparted superacidic properties to the aerogels (the Hammett acidity function H0 reached values within the range – 11.99 ≥ H0 ≥ –12.7). Superacid SnO2 aerogels demonstrated high catalytic activity in 1-hexene oligomerization and isomerization.
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Original Russian Text © S.A. Lermontov, L.L. Yurkova, E.A. Straumal, A.E. Baranchikov, I.G. Shunina, E.I. Knerel’man, V.K. Ivanov, 2018, published in Zhurnal Neorganicheskoi Khimii, 2018, Vol. 63, No. 3, pp. 283–288.
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Lermontov, S.A., Yurkova, L.L., Straumal, E.A. et al. Tin Dioxide-Based Superacid Aerogels Produced Using Propylene Oxide. Russ. J. Inorg. Chem. 63, 303–307 (2018). https://doi.org/10.1134/S0036023618030142
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DOI: https://doi.org/10.1134/S0036023618030142