CHARACTERIZATION OF BRUCITE/TiO2 COMPOSITE PARTICLE MATERIAL PREPARED BY MECHANO-CHEMICAL METHOD

Yu Liang (), Hao Ding and Qiang Xue ()
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Yu Liang: School of Materials Science and Engineering, China University of Geosciences (Beijing), Beijing, 100083, P. R. China
Hao Ding: School of Materials Science and Engineering, China University of Geosciences (Beijing), Beijing, 100083, P. R. China
Qiang Xue: School of Materials Science and Engineering, China University of Geosciences (Beijing), Beijing, 100083, P. R. China

Surface Review and Letters (SRL), 2018, vol. 25, issue 04, 1-7

Abstract: Brucite/TiO2 composite particle was prepared with Titanium dioxide (TiO2), coating on brucite particles’ surfaces by mechano-chemical method. X-ray diffraction (XRD), scanning electron microscope (SEM) and infrared spectra were used to investigate the microstructures, morphologies of the composite and the reaction mechanism. The results show that the ground extent of brucite as well as the mixed particles of brucite and TiO2 should keep at a suitable state. The hiding power and whiteness of the composite particles are 17.24g/m2 and 96.88%, respectively, presenting its similarity to TiO2 in pigment properties. TiO2 coats evenly on the surfaces of brucite through surface dehydroxylation reaction during mechano-chemical method.

Keywords: Mechano-chemical method; brucite; TiO2; composite particles material; pigment properties; potential application (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1142/S0218625X18500853

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