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Citation: Xu Mingxia, Kato Akio. Preparation of TiO₂-Coated Mica by Homogeneous Precipitation[J]. Chinese Journal of Applied Chemistry, ;1995, 12(6): 38-41. shu

Preparation of TiO₂-Coated Mica by Homogeneous Precipitation

Xu Mingxia ,
Kato Akio

1.
Department of Materials Science and Engineering, Tianjin University, Tianjin 300072;
2.
Department of Applied Chemistry, Facully of Engineering, Kyushu University, Japan

Received Date: 10 February 1995
Revised Date: 26 June 1995

The natural mica slice was coated with TiO₂ by the homogeneous precipitation method in which titanyl sulfate (TiOSO₄) and urea were used as raw material. The forma-tion of the thin film and the technological factors influencing the film structure were studied. The adjustment of the temperature and time of the precipitation reaction in various stages favoured the control on the morphology of precipitated particles and the thickness of film lay-er,resulting to even and dense films. Owing to the optical interference effect,films with dif-ferent thickness display various color.
- mica slice,
- TiO₂ thin film,
- homogeneous precipitation
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Preparation of TiO₂-Coated Mica by Homogeneous Precipitation