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

Byunghwan Lee; Hee Jung Im; Huimin Luo; Edward W. Hagaman; Sheng Dai

doi:10.1021/la050313d

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

Byunghwan Lee, Hee Jung Im, Huimin Luo, Edward W. Hagaman, Sheng Dai

Research output: Contribution to journal › Article › peer-review

85 Scopus citations

Abstract

A new methodology to immobilize ionic liquids through the use of a bridged silsesquioxane N-(3-1 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.

Original language	English
Pages (from-to)	5372-5376
Number of pages	5
Journal	Langmuir
Volume	21
Issue number	12
DOIs	https://doi.org/10.1021/la050313d
State	Published - Jun 7 2005

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AU - Lee, Byunghwan

AU - Im, Hee Jung

AU - Luo, Huimin

AU - Hagaman, Edward W.

AU - Dai, Sheng

PY - 2005/6/7

Y1 - 2005/6/7

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AB - A new methodology to immobilize ionic liquids through the use of a bridged silsesquioxane N-(3-1 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.

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

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