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| Preparation and Hg2+ Adsorption Properties of Thiol Functionalized Mesoporous Materials |
| SONG Bo1,2, LI Yun-ping2, WANG Chun2, WANG An1 |
| 1. College of Architecture and Environment, Sichuan University, Chengdu 610065, China; 2. Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China |
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Abstract A series of thiol functionalized mesoporous materials(SBA-SH-x) with different thiol ratio［x=n(MPTES)/n(TEOS+MPTES)］ were prepared by copolymerization of hydrolyzed TEOS and MPTES in acid condition, using tri-block non-ionic surfactant P123 as template. The structures and properties were characterized by FT-IR, elemental analysis, SEM, TEM, small angle X-ray and N2 adsorptiondesorption. The results showed that x＜10%, SBA-SH-x were hexagonal p6mm mesophase; 10%＜x＜15%, SBA-SH-x were cubic Ia3d mesophase; x＞20%, SBA-SH-x were in disorder structure. Further increase of thiol contents resulted in slatted or non-mesoporous materials. The results of Hg2+ adsorption in water indicated that SBA-SH-10 and SBA-SH-15 exhibited good adsorption properties.
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Received: 20 March 2015
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2016, Vol. 24 
