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Citation: Li Zhongjun, Liu Changrang, Wang Xueqing, Zhao Qinsheng. Preparation of Ultrafine Silica Particles[J]. Chinese Journal of Applied Chemistry, ;1998, 15(3): 79-81. shu

Preparation of Ultrafine Silica Particles

1.
Chemical and Engineering College, Department of Physics, Zhengzhou University, Zhengzhou 450052;
2.
Central South University of Technology, Changsha

Received Date: 23 September 1997
Revised Date: 2 March 1998

Ultrafine silica particles ranging from 10 to 20 nm were prepared by sol-gel method and n-butanol azeotropic distillation from water glass using ethyl acetate as a latene acid reagent. The gelling process of the water glass in the presence of ethyl acetate was studied.
- ultralfine silica particle,
- preparation,
- sol-gel method
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