Synthesis and Physicochemical and Electrorheological Properties of Modified Nanodisperse Titanium Dioxide

— Nanodisperse modified titanium dioxide ranging in specific surface from 70 to 130 m 2 /g has been prepared by a sol–gel process using Al(NO 3 ) 3 and H 3 PO 4 as modifying components and dodecylamine and ammonium carbonate as structuring components. Microwave drying of an intermediate product and...

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Bibliographic Details
Published in:Inorganic materials 2018-12, Vol.54 (12), p.1223-1230
Main Authors: Murashkevich, A. N., Chechura, K. M., Novitskaya, M. S., Alisienok, O. A., Korobko, E. V., Novikova, Z. A.
Format: Article
Language:English
Subjects:
Bulk density
Chemistry
Chemistry and Materials Science
Dodecylamine
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Leakage current
Materials Science
Planetary mills
Sol-gel processes
Titanium
Titanium dioxide
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Summary:— Nanodisperse modified titanium dioxide ranging in specific surface from 70 to 130 m 2 /g has been prepared by a sol–gel process using Al(NO 3 ) 3 and H 3 PO 4 as modifying components and dodecylamine and ammonium carbonate as structuring components. Microwave drying of an intermediate product and pulverization in a planetary mill have been shown for the first time to be effective in reducing the bulk density of the material and improving its electrorheological activity. The effect of filler concentration (10–40 wt %) on the shear load and leakage current density of electrorheological dispersions has been examined.
ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168518120129