Brucite/TiO 2 composite particle was prepared with Titanium dioxide (TiO 2 ), 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 TiO 2 should keep at a suitable state. The hiding power and whiteness of the composite particles are 17.24[Formula: see text]g/m 2 and 96.88%, respectively, presenting its similarity to TiO 2 in pigment properties. TiO 2 coats evenly on the surfaces of brucite through surface dehydroxylation reaction during mechano-chemical method.
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Liang et al. (2017) studied this question.
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