Composite envelope titanium white powder and preparation method thereof

The present invention relates to a composite coated titanium dioxide and a preparation method, belonging to the chemical industry. The envelope surface of the silicon composite coated titanium dioxide, aluminum, zirconium, cerium and at least one. Preparing a composite coated titanium dioxide of the present invention is dispersed into beating, screening fine grinding, inorganic coating, filtered, washed, dried, pulverized total of six steps, preparation method is simple, does not require special equipment. Coated titanium dioxide composite of the present invention, its overall excellent pigment properties, spectral characteristics of blue phase advanced value than the international level, dispersibility, brightness, etc. also meet international advanced level, have broad application prospects.