Relationships Between Particle Properties and Pigment Characteristics of Nb Containing TiO<SUB>2</SUB>
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概要
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We analyzed Nb containing anatase-form TiO<SUB>2</SUB> on its individual particle properties and its pigment characteristics, and tried to correlate them. Individual TiO<SUB>2</SUB> particles we used had high crystallinity except for a few layers on the surface. Nb, which was impurity originated from the ore, was found to be segregated on the amorphous surface layers when its concentration was 0. 15 wt% or more. Aluminum doping into the particles before the calcination stabilized Nb inside the crystal and prevented the segregation on the surface. Al doped TiO<SUB>2</SUB> pigment was fond to improve the thermal and light stabilities of its coated films.
- Japan Society of Colour Materialの論文