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Citation: WU Quan-Zhou, HE Jiang-Feng, LI Yu-Guang. Synthesis and Adsorption Capability of Ordered Macroporous Silicas Functionalized with Amino Group[J]. Chinese Journal of Applied Chemistry, ;2009, 26(3): 367-369. shu

Synthesis and Adsorption Capability of Ordered Macroporous Silicas Functionalized with Amino Group

1.
a College of Chinese Traditional Medicines, Guangzhou University of Chinese Medicines, Guangzhou 510006;
2.
b College of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou

Corresponding author: WU Quan-Zhou,
Received Date: 14 February 2008
Available Online: 13 May 2008

Hybrid 3DOM SiO₂-NH₂ materials with different amino contents have been prepared with(3-aminoproyl)triethoxysilane(APTES) and tetraethoxysilane(TEOS) as precursors and PS colloidal crystal as a template.SEM observations showed that the macropores were highly ordered and interconnected by small windows.The mean pore diameters of the materials were between 535 and 596 nm,and the pore shrinkage was between 4.8% and 14.5%.The surface area of the material was 10.2 m²/g.FTIR measurements showed that there were amino and organic groups in the pore walls.Adsorption capability of the materials were investigated with Cr(Ⅵ) ion as the adsorbate.The results showed that the adsorption quantity increased with the amount of the amino group in the material and the maximal adsorption quantity was 4.31 mmol/g.
- three-dimensioally ordered macroporous,
- amino,
- functionalization,
- material
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Synthesis and Adsorption Capability of Ordered Macroporous Silicas Functionalized with Amino Group

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com