SYNTHESIS OF INORGANIC-ORGANIC HYBRIDS BY INCORPORATION OF INORGANIC COMPONENTS INTO ORGANIC POLYMER USING METAL ALKOXIDES

Inorganic-organic hybrids have been synthesized by incorporation of th e inorganic component of Ti(OC2H5)(4) into the organic polymer of ethy l cellulose. The inorganic-organic hybrids did not dissolve in toluene used as a solvent for the starting materials. The ethanol was formed as a by-product of the alcoholysis condensation reaction between Ti(OC 2H5)(4) and ethyl cellulose. These results suggest that ethoxy groups of Ti(OC2H5)(4) react with hydroxy groups of ethyl cellulose to form c ross-linking bonds of -O-Ti-O-. The reaction of Ti(OC2H5)(4) with ethy l cellulose was further investigated by Fourier transform infrared (FT -IR) spectroscopy. The FT-IR spectroscopic experiments revealed that t he Ti-O bond state of Ti(OC2H5)(4) was changed by refluxing a toluene solution of Ti(OC2H5)(4) with ethyl cellulose. The inorganic-organic h ybrids have an interesting dielectric property; their dielectric const ant is higher than that of ethyl cellulose and that of a simple mixtur e of TiO2 and ethyl cellulose.