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- Title
CHARACTERIZATION OF TALC/TiO<sub>2</sub> COMPOSITE PARTICLE MATERIAL PREPARED BY MECHANO-CHEMICAL METHOD.
- Authors
LIANG, YU; AO, WEIHUA; DING, HAO; SHEN, KAI
- Abstract
Talc/TiO2 composite particle was prepared with TiO2 coating on the surfaces of the talc particles by mechano-chemical method. X-ray diffraction (XRD) and scanning electron microscope (SEM) were used to investigate the microstructures and morphologies of the composite particles. The mechanism of the mechano-chemical reaction was researched by infrared spectra (IR) and X-ray photoelectron spectroscopy (XPS). The prepared talc/TiO2 composite particle has similar pigment properties compared with TiO2, with its hiding power 10.45 g/cm3 and whiteness 97.49%. The results show that TiO2 coated evenly on the surfaces of the talc particles by Si–O–Ti and Mg–O–Ti bonds through surface dehydroxylation reaction.
- Subjects
COMPOSITE materials; X-ray photoelectron spectroscopy; SCANNING electron microscopes; INFRARED spectra; SURFACE reactions
- Publication
Surface Review & Letters, 2021, Vol 28, Issue 2, pN.PAG
- ISSN
0218-625X
- Publication type
Article
- DOI
10.1142/S0218625X2050047X