Abstract
Tin dioxide aerogels have been prepared using propylene oxide as a gelating reagent followed by supercritical drying in CO2. The surface of the resultant aerogels has been modified in gas phase using different sulfating reagents: SO2, HSO3F, SO2Cl2, and SO3. The prepared specimens show high acidity, acidity function of the most active specimen is H0 ≤ –16.04. Catalytic activity has been tested in the model reaction of hexene-1 isomerization. The maximal conversion is 100%.
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