Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Novel Approaches to Chemically Cross-Linked Phosphazene Structures: Hydrosilylation vs Piers–Rubinsztajn Reaction

Version 1 : Received: 12 January 2021 / Approved: 14 January 2021 / Online: 14 January 2021 (13:12:12 CET)

How to cite: Esin, A.S.; Chernysheva, A.I.; Soldatov, M.A.; Karpova, E.A.; Kireev, V.V.; Sirotin, I.S.; Gorlov, M.V. Novel Approaches to Chemically Cross-Linked Phosphazene Structures: Hydrosilylation vs Piers–Rubinsztajn Reaction. Preprints 2021, 2021010268 (doi: 10.20944/preprints202101.0268.v1). Esin, A.S.; Chernysheva, A.I.; Soldatov, M.A.; Karpova, E.A.; Kireev, V.V.; Sirotin, I.S.; Gorlov, M.V. Novel Approaches to Chemically Cross-Linked Phosphazene Structures: Hydrosilylation vs Piers–Rubinsztajn Reaction. Preprints 2021, 2021010268 (doi: 10.20944/preprints202101.0268.v1).

Abstract

Finding new ways for the preparation of cross-linked structures is a significant problem in terms of materials for biomedical application, lithium batteries electrolytes, and etc. Within this work we have studied the possibility to utilize hydrosilylation and Piers-Rubinsztajn reactions to obtain cross-linked model phosphazene compounds, containing eugenoxy and guaiacoxy groups. It was shown that Piers-Rubinsztajn reaction cannot be efficiently used to prepare tailored polymer-matrix, due to the catalyst deactivation by nitrogen atoms of phosphazene units. A number of cross-linked phosphazene-based materials was obtained with the use of hydrosilylation reaction and their properties were studied by NMR spectroscopy, FTIR, DSC, and TGA. This work showed a perspective for the use of eugenoxy functional groups for the preparation of three-dimensional hybrid phosphazene/siloxane-based materials for various applications.

Subject Areas

phosphazenes; cross-linked; hydrosilylation; Piers–Rubinsztajn reaction; eugenol; siloxanes; model compounds; siloxane-phosphazene

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