High quality TiO2 nanomaterials were successively synthesized by liquid phase precipitation, using titanium pigment as raw material and NH4HCO3 as precipitator. The inference of calcination temperatures to phases, particle size and microstructure were studied. Research indicated that higher calcination temperature was, larger the particle size was. When calcination temperature was higher than 700 ℃, part of anatase changed into rutile; spherical TiO2 nanopowders with excellent microstructure performance and particle size about 10 nm was adopted when calcination temperature was 550 ℃.
姜锋,申镭诺,陈小波,肖晴,向周丹 .
Precipitation and Calcine Technology Research of TiO2 Materials. Journal of Wuhan University of Technology. 2011, 33(5): 18-21
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