Preparing kaolinite nanotubes and their catalytic activation by acid treatment
A.Yu. SidorenkoInstitute of Chemistry of New Materials of the National Academy of Sciences of BelarusY. Yu. YakubovInstitute of General and Inorganic Chemistry of the Academy of Sciences of the Republic of UzbekistanВ. Е. АгабековInstitute of Chemistry of New Materials of the National Academy of Sciences of BelarusBehzodjon D. MamatkodirovInstitute of General and Inorganic Chemistry of the Academy of Sciences of the Republic of UzbekistanТ. В. СвиридоваBelarusian State UniversityAziz B. IbragimovInstitute of General and Inorganic Chemistry of the Academy of Sciences of the Republic of Uzbekistan
ABI
Аннотация
Aluminosilicate nanotubes (ANT) with a length of 600–1000 nm and a diameter of 15–25 nm were obtained by successive intercalation of kaolin with dimethyl sulfoxide and methanol followed by treatment with a cetyltrimethylammonium chloride solution. It is shown for the first time that the treatment of ANT with a mixture of H 2 SO 4 –H 2 O 2 leads to removing organic impurities from them and appearing catalytic activity in the α-pinene epoxide isomerization, the products of whicn are campholenic (41.4 %) and iso-campholenic (22.7 %) aldehydes in cyclohexane and trans-carveol (up to 56.0 %) in dimethyl sulfoxide.
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