Immobilization of quaternary ammonium anion exchangers in sol-gel glasses

D. Levy; I. Gigozin; I. Zamir; B. I. Kuyavskaya; M. Ottolenghi; D. Avnir; O. Lev

doi:10.1080/01496399208018904

Immobilization of quaternary ammonium anion exchangers in sol-gel glasses

D. Levy, I. Gigozin, I. Zamir, B. I. Kuyavskaya, M. Ottolenghi, D. Avnir, O. Lev^*

^*Corresponding author for this work

Institute of Chemistry

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

14 Scopus citations

Abstract

A procedure to immobilize quaternary ammonium salts in solid silica supports is described. The process is based on the doping of sol-gel glasses by organic anion-exchange compounds during the polymerization of the glasses. Sol-gel glasses doped with Aliquat 336, cetyltrimethylammonium bromide, or cetylpyridinium bromide may serve as solid anion exchangers, exhibiting selectivity properties similar to strong base ion exchangers. This process provides a simple method for the preparation of silica-based ion exchangers.

Original language	English
Pages (from-to)	589-597
Number of pages	9
Journal	Separation Science and Technology
Volume	27
Issue number	5
DOIs	https://doi.org/10.1080/01496399208018904
State	Published - 1 Apr 1992

Bibliographical note

Funding Information:
The development of applications of doped glasses is currently supported by the National Council for Research and Development, Israel, and KFK, Karlsruhe, Germany, by the Ministry of Industry and Commerce, by the Szold Foundation, by the Krupp foundation, and by the Materials Division of the US Army (UK).

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AU - Levy, D.

AU - Gigozin, I.

AU - Zamir, I.

AU - Kuyavskaya, B. I.

AU - Ottolenghi, M.

AU - Avnir, D.

AU - Lev, O.

N1 - Funding Information: The development of applications of doped glasses is currently supported by the National Council for Research and Development, Israel, and KFK, Karlsruhe, Germany, by the Ministry of Industry and Commerce, by the Szold Foundation, by the Krupp foundation, and by the Materials Division of the US Army (UK).

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N2 - A procedure to immobilize quaternary ammonium salts in solid silica supports is described. The process is based on the doping of sol-gel glasses by organic anion-exchange compounds during the polymerization of the glasses. Sol-gel glasses doped with Aliquat 336, cetyltrimethylammonium bromide, or cetylpyridinium bromide may serve as solid anion exchangers, exhibiting selectivity properties similar to strong base ion exchangers. This process provides a simple method for the preparation of silica-based ion exchangers.

AB - A procedure to immobilize quaternary ammonium salts in solid silica supports is described. The process is based on the doping of sol-gel glasses by organic anion-exchange compounds during the polymerization of the glasses. Sol-gel glasses doped with Aliquat 336, cetyltrimethylammonium bromide, or cetylpyridinium bromide may serve as solid anion exchangers, exhibiting selectivity properties similar to strong base ion exchangers. This process provides a simple method for the preparation of silica-based ion exchangers.

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Immobilization of quaternary ammonium anion exchangers in sol-gel glasses

Abstract

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