Synthesis and characterization of periodic mesoporous organosilicas as anion exchange resins for perrhenate adsorption

被引：79

作者：

Lee, B

Im, HJ

Luo, HM

Hagaman, EW

Dai, S

机构：

[1] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA

[2] Oak Ridge Natl Lab, Nucl Sci & Technol Div, Oak Ridge, TN 37831 USA

来源：

LANGMUIR | 2005年 / 21卷 / 12期

关键词：

D O I：

10.1021/la050313d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new methodology to immobilize ionic liquids through the use of a bridged silsesquioxane N-(3-triethoxysilylpropyl),N(3)-(3-trimethoxysilylpropyl-4,5-dihydroimidazolium iodide that incorporates an ionic functionality for the assembly of novel periodic mesoporous organosilica (PMO) materials has been developed. The resulting PMO materials were investigated for use as novel anion exchange resins for the separation of perrhenate anions in aqueous solution. As compared with cetyltrimethylammonium chloride, 1-hexadecane-3-methylimidazolium bromide has been demonstrated to be a more efficient surfactant template for the generation of mesopores and surface areas for such PMO materials.

引用

收藏

页码：5372 / 5376

页数：5

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