Synthesis of 3-D ordered macroporous silicate using the template formed from monodispersed polystyrene latex

Based on the template formed from monodispersed polystyrene (PS) latex, a modified fast sol-gel process was employed to synthesize a three-dimensional (3-D) ordered macroporous silica material after removing the template by calcination at high temperature. It was indicated that there existed highly...

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Bibliographic Details
Published in:Chinese science bulletin 2000-06, Vol.45 (11), p.992-994
Main Authors: Qi, Kai, Yang, Zhenzhong, Wang, Lijun, Liu, Zhengping, Zhao, Delu
Format: Article
Language:English
Subjects:
High temperature
Latex
Polystyrene
Polystyrene resins
Pore size
Pores
Silica
Silicon dioxide
Sol-gel processes
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Summary:Based on the template formed from monodispersed polystyrene (PS) latex, a modified fast sol-gel process was employed to synthesize a three-dimensional (3-D) ordered macroporous silica material after removing the template by calcination at high temperature. It was indicated that there existed highly ordered packed pores within the whole silica material by SEM morphology observation. It was also found that the pores were interconnected. The pore size could be controlled mainly by varying the particle size of the latex ranging from 101 to 102 nm. The formation process of the ordered pores was also preliminarily discussed.
ISSN:1001-6538
2095-9273
1861-9541
2095-9281
DOI:10.1007/BF02884977