期刊
JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION
卷 25, 期 5, 页码 765-769出版社
JOURNAL WUHAN UNIV TECHNOLOGY
DOI: 10.1007/s11595-010-0088-x
关键词
mechano-chemical method; calcined kaolin; TiO2; composite particles material; pigment properties
资金
- National Key Technology R&D Program of China [2008BAE60B06]
- Beijing Municipal Science&Technology Commission [Z080003032208015]
Calcined kaolin/TiO2 composite particle material (CK/TCPM) was prepared with TiO2 coating on the surfaces of calcined kaolin particles by the mechano-chemical method. X-ray diffraction (XRD) and scanning electron microscope (SEM) were used to investigate the microstructures and morphologies, respectively. The mechanism of the mechano-chemical reaction between calcined kaolin and TiO2 was studied by infrared spectra (IR). The results show that TiO2 coats evenly on the surfaces of calcined kaolin particles by Si-O-Ti and Al-O-Ti bonds on their interfaces. The hiding power and whiteness of CK/TCPM are 17.12 g/m(2) and 95.7%, respectively, presenting its similarity to TiO2 in pigment properties.
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