An Exploration of Factors Affecting the Preparation of SiO2-Coated α-Al2O3 Pearlescent Pigment

Nan Wu; Qing-Hua Chen; Wei Ming Zhou; Mei Zhen Ke; Qing Rong Qian; Zhan Hui Yuan

doi:10.4028/www.scientific.net/AMR.983.26

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An Exploration of Factors Affecting the Preparation of SiO₂-Coated α-Al₂O₃ Pearlescent Pigment
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 983An Exploration of Factors Affecting the...

An Exploration of Factors Affecting the Preparation of SiO₂-Coated α-Al₂O₃ Pearlescent Pigment

Abstract:

The SiO₂-coated α-Al₂O₃ pearlescent pigment was prepared by liquid phase deposition (LPD). The effects of concentration of sodium silicate solution, reaction temperature and pH value of the aluminum oxide suspending liquid were systemically studied in this paper. The obtained samples were characterized by scanning electron microscopy (SEM). The results showed that when the process parameters are the concentration of sodium silicate solution of 0.1 mol/L, the reaction temperature of 80 °C and the pH value of 9.0, the high quality of SiO₂-coated α-Al₂O₃ pearlescent pigment could be obtained.

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Periodical:

Advanced Materials Research (Volume 983)

Pages:

26-29

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.983.26

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Online since:

June 2014

Authors:

Nan Wu, Qing-Hua Chen, Wei Ming Zhou, Mei Zhen Ke, Qing Rong Qian*, Zhan Hui Yuan

Keywords:

Liquid Phase Deposition (LPD), Pearlescent Pigment, SiO₂-Coated α-Al₂O₃

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