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Issue 2, 2016
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POSS-derived mesoporous ionic copolymer–polyoxometalate catalysts with a surfactant function for epoxidation reactions

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Abstract

A series of novel polyoxometalate (POM)-based stable polymeric hybrids were successfully synthesized using polyhedral oligomeric vinylsilsesquioxanes (POSS) and ionic liquids (IL) bearing hydrophobic alkyl chains as the building blocks, followed by ion exchange with Keggin-type phosphotungstic acid (PW). The obtained hybrids POSS–ILx–PW were demonstrated to be mesostructured and amphiphilic materials with good thermal stability. Catalytic tests for the H2O2-based epoxidation of cyclooctene have shown that these newly designed catalysts exhibit extraordinary catalytic activities, catalytic rates, and quite stable reusability. The unique amphiphilic property and the mesoporous structure are revealed to be responsible for the catalysts' excellent performance in epoxidation reactions with H2O2.

Graphical abstract: POSS-derived mesoporous ionic copolymer–polyoxometalate catalysts with a surfactant function for epoxidation reactions

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Publication details

The article was received on 18 Jun 2015, accepted on 04 Aug 2015 and first published on 11 Aug 2015


Article type: Paper
DOI: 10.1039/C5NJ01541C
Citation: New J. Chem., 2016,40, 1022-1028
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    POSS-derived mesoporous ionic copolymer–polyoxometalate catalysts with a surfactant function for epoxidation reactions

    J. Zhao, Y. Leng, P. Jiang, J. Wang and C. Zhang, New J. Chem., 2016, 40, 1022
    DOI: 10.1039/C5NJ01541C

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