Wawrzyńczak A., Maciejewski H., Fiedorow R. Hydrosilylation on Hydrophobic Material Supported Platinum Catalysts
Wawrzyńczak Agata
PhD, Professor,
Adam Mickiewicz University
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Grunwaldzka St., 6, Poznaс, Poland
Maciejewski Hieronim
PhD, Professor,
Adam Mickiewicz University
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Grunwaldzka St., 6, Poznaс, Poland
Fiedorow Ryszard
PhD, Professor,
Adam Mickiewicz University,
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Grunwaldzka St., 6, Poznaс, Poland
Abstract. Catalytic activity of platinum supported on styrene-divinylbenzene copolymer and fluorinated carbons was tested in reactions of hydrosilylation of several olefins and the way of platinum binding to the support surface as well as platinum oxidation states were determined.
Catalysts based on the above hydrophobic materials make it possible to obtain high yields of desirable reaction products and in most cases the highest activity was shown by polymer-supported platinum catalyst. In addition to hydrophobicity, another factor appeared to influence catalytic activity, namely the kind of the catalyst precursor. It was established that some amount of unpolymerized vinyl groups that were present on the polymeric support surface was involved in the interaction with platinum. XPS spectra enabled to determine that platinum was present on the catalyst surface in 0 and +2 oxidation states, however Pt0 clearly predominated.
Key words: hydrosilylation, hydrophobic material, platinum catalysts, catalytic activity, polymeric.
Hydrosilylation on Hydrophobic Material Supported Platinum Catalysts by Wawrzyńczak A., Maciejewski H., Fiedorow R. is licensed under a Creative Commons Attribution 4.0 International License.
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