Hybrid Nanocomposites Based on Metal Oxides and Polysiloxanes with Controlled Morphology

Abstract

Hybrid materials based on polysiloxanes and metal oxides (SiO2, TiO2, ZrO2) were prepared by hydrosilation of allyl acetoacetate (AAA) modified metal alkoxides (M(OR)4; M = Ti, Zr; R = ethyl, isopropyl) or vinyl triethoxysilane with poly(dimethylsiloxane-co-hydrosiloxane) (PDMS-co-PMHS). The obtained compounds acted as single-source precursors in the sol-gel process. Various spectroscopic methods showed the complete functionalization of the polysiloxane chains with the complexes. When alcohols were used as solvents in the sol-gel process, hybrid nanoparticles were obtained, as observed by dynamic light scattering (DLS) measurements, transmission electron microscopy (TEM), and spectroscopic methods such as NMR and FT-IR.

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Correspondence to Sorin Ivanovici.

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Ivanovici, S., Rill, C., Feldgitscher, C. et al. Hybrid Nanocomposites Based on Metal Oxides and Polysiloxanes with Controlled Morphology. MRS Online Proceedings Library 1007, 1255 (2007). https://doi.org/10.1557/PROC-1007-S12-55

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