Preparation of Ultrafine Zirconia Spherical Powder by Nano-reactor of Microemulsion

Abstract

Abstract: The water droplets in the microemulsion system of water/cyclohexane/hexyl alcohol/Triton-100 can
be seen as the naono reactors which solubilize zirconium oxychloride and ammonia separately. The precipitation reactions will take place in the
confined spaces determined by the droplets size. The minute original reactors help us obtain ultrafine spherical zirconia powder with
uniform diameter distribution and good calcination activity. A variety of synthesis parameters for the preparation process were investigated.
The results show that the concentration of zirconium oxychloride, molar ratio of water to surfactant (W) and calcination temperature are the
predominant factors to determine powder’s performance.

Key words: microemulsion, zirconia, spherical powder

CLC Number:

TF123

MA Tian,HUANG Yong,YANG Jin-Long,HE Jin-Tao. Preparation of Ultrafine Zirconia Spherical Powder by Nano-reactor of Microemulsion[J]. Journal of Inorganic Materials.

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Preparation of Ultrafine Zirconia Spherical Powder by Nano-reactor of Microemulsion

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