Preparation, microstructure and electrorheological activity of nanosized modified titanium dioxide and titaniferous fillers

Abstract

Nanodisperse powders of pure, superficially and structurally modified titanium dioxide as well as composition materials SiO2–TiO2 with different morphology are synthesized. Electrorheological properties of dispersions on their basis are investigated. It is established, that doping of TiO2 by heterovalency replacement of the titanium with aluminum and chrome ions allows us to raise essentially electrorheological activity of dispersions in comparison with pure titanium dioxide.