Tin Dioxide-Based Superacid Aerogels Produced Using Propylene Oxide

Tin dioxide-based aerogels were produced by supercritical drying of gels, synthesized using propylene oxide, in CO 2 and isopropanol. Aerogels consisted of nanocrystalline cassiterite and had a specific surface area of 210–270 m 2 /g. Sulfation with sulfuryl chloride imparted superacidic properties...

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Veröffentlicht in:	Russian journal of inorganic chemistry 2018-03, Vol.63 (3), p.303-307
Hauptverfasser:	Lermontov, S. A., Yurkova, L. L., Straumal, E. A., Baranchikov, A. E., Shunina, I. G., Knerel’man, E. I., Ivanov, V. K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aerogels Carbon dioxide Cassiterite Catalysis Catalytic activity Chemical industry Chemistry Chemistry and Materials Science Gels Inorganic Chemistry Isomerization Oligomerization Propylene Propylene oxide Sulfation Synthesis and Properties of Inorganic Compounds Tin dioxide
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Zusammenfassung:	Tin dioxide-based aerogels were produced by supercritical drying of gels, synthesized using propylene oxide, in CO 2 and isopropanol. Aerogels consisted of nanocrystalline cassiterite and had a specific surface area of 210–270 m 2 /g. Sulfation with sulfuryl chloride imparted superacidic properties to the aerogels (the Hammett acidity function H 0 reached values within the range – 11.99 ≥ H 0 ≥ –12.7). Superacid SnO 2 aerogels demonstrated high catalytic activity in 1-hexene oligomerization and isomerization.
ISSN:	0036-0236 1531-8613
DOI:	10.1134/S0036023618030142