Synthesis of bifunctionalized mesoporous organosilica spheres for high-performance liquid chromatography

被引：65

作者：

Zhu, GR ^{[1
]}

Yang, QH ^{[1
]}

Jiang, DM ^{[1
]}

Yang, J ^{[1
]}

Zhang, L ^{[1
]}

Li, Y ^{[1
]}

Li, C ^{[1
]}

机构：

[1] Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

来源：

JOURNAL OF CHROMATOGRAPHY A | 2006年 / 1103卷 / 02期

基金：

中国国家自然科学基金;

关键词：

bifunctionalized mesoporous organosilica; spheres; packing materials; HPLC; column stability;

D O I：

10.1016/j.chroma.2005.11.026

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Phenyl-functionalized mesoporous ethane-silicas with spherical morphology were synthesized by one-step co-condensation of phenyltrimethoxysilane (PTMS) and 1,2-bis(trimethoxysily)ethane (BTME) using a triblock copolymer EO20PO70EO20 (P123) as template with the aid of a co-surfactant (cetyltrimethylammonium bromide, CTAB) and a co-solvent (ethanol) in acidic medium. Powder X-ray diffraction (XRD), nitrogen sorption measurement and scanning electron microscopy (SEM) show that phenyl-functionalized ethane-silica has wormhole-like mesostructure and perfect spherical morphology. The chemical stability of phenyl-functionalized mesoporous ethane-silica in basic medium is greatly improved owing to the ethane groups bridged in the mesoporous framework. This work also demonstrates that the phenyl-functionalized mesoporous ethane-silica spheres are excellent packing materials for potential application in the reversed-phase high-performance liquid chromatography (HPLC). (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：257 / 264

页数：8

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