Synthesis and Characterization of Methyl-Functionalized Mesoporous Silica Using as Solid-Phase Microextraction Fiber Coating

被引：0
|
作者：
Rao Hong-Hong [1 ]
Du Xin-Zhen [1 ,2 ]
Wang Xue-Mei [1 ]
Xue Lin-Ke [1 ]
机构：
[1] NW Normal Univ, Coll Chem & Chem Engn, Lanzhou 730070, Peoples R China
[2] Minist Educ, Key Lab Ecoenviron Related Polymer Mat, Lanzhou 730070, Peoples R China
来源：
CHINESE JOURNAL OF INORGANIC CHEMISTRY | 2010年 / 26卷 / 03期
关键词：
mesoporous silicas; organic-inorganic hybrid materials; synthesis and characterization; solid-phase microextraction; CO-CONDENSATION; HYBRID; MCM-41; MESOPHASES;
D O I：
暂无
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A single-step synthesis of highly ordered methyl-functionalized MCM-41 (Me-MCM-41) mesoporous silica was performed by using cetyltrimethylammonium bromide (CTAB) as the template and tetraethyl orthosilicate (TEOS) as the silica source under alkaline conditions. The samples were characterized by FTIR, SAXRD, TGA, TEM and N-2 adsorption-desorption. The results showed that the organic-inorganic hybrid materials still preserve a desirable two-dimensional P6mm hexagonal structure and have strong hydrophobicity, high thermal stability, large specific surface area and pore volume. Higher extraction efficiency of dibutyl phthalate (DBP) is obtained using Me-MCM-41 as solid-phase microextraction fiber coating.
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页码：483 / 488
页数：6
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