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Tuning the activity of a hybrid polymer–oxocluster catalyst: A composition—selectivity correlation

Bragaggia, Giulia; Beghetto, Anna; Bassato, Ferdinando; Reichenbächer, Rudi; Dolcet, Paolo 1; Carraro, Mauro; Gross, Silvia 1
1 Institut für Technische Chemie und Polymerchemie (ITCP), Karlsruher Institut für Technologie (KIT)


Zr-based oxoclusters M$_{x}$O$_{y}$(OR)$_{w}$(OOR’)$_{z}$ are promising catalysts for the activation of hydrogen peroxide. However, they need to be integrated into suitable matrices to increase their hydrolytic stability and allow for their recovery after use. Polymeric materials can be successfully employed for this aim, since they modify the properties of the resulting hybrid materials, in terms of polarity and chemical affinity for the substrates, improving the catalytic activity. Herein, we report the synthesis of different acrylic polymers based on various co-monomers (methyl methacrylate (MMA), 2,2,2-trifluoroethylmethacrylate (TFMA) and 3-methacryloxypropyltrimethoxylsilane (MAPTMS)) covalently cross-linked by a Zr$_{4}$-based oxocluster, whose composition was tuned to optimise the catalytic oxidation of methyl p-tolyl sulphide. To assess their properties and stability, the materials were characterised via Fourier Transform Infrared (FT-IR) and Raman spectroscopies, Thermogravimetric Analysis (TGA), Solid-State NMR (SS-NMR) and X-Ray Absorption Spectroscopies XAS, before and after catalytic turnover.

Verlagsausgabe §
DOI: 10.5445/IR/1000138660
Veröffentlicht am 06.10.2021
DOI: 10.3390/polym13193268
Zitationen: 1
Zitationen: 1
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Technische Chemie und Polymerchemie (ITCP)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2021
Sprache Englisch
Identifikator ISSN: 2073-4360
KITopen-ID: 1000138660
Erschienen in Polymers
Verlag MDPI
Band 13
Heft 19
Seiten 3268
Schlagwörter oxidation catalysis; hybrid materials; oxocluster
Nachgewiesen in Dimensions
Web of Science
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