Abstract
New monolithic and transparent hybrid gels were obtained by reaction at room temperature of polymethylhydrosiloxane (PMHS) with 1,3,5-trihydroxybenzene (DO1,3,5) and 2-hydroxybenzoic acid (DO2), in tetrahydrofuran, using hexachloroplatinic acid (H2PtCl6·6H2O) as catalyst. The products have been characterized by infrared and 29Si MAS-NMR spectroscopy. The results show that the organic compounds have reacted with the PMHS, leading to monolithic and transparent gels in which organic-inorganic bridges were formed. An appropriate thermal treatment procedure was determined from TGA and DTA curves recorded on the hybrid gel powder after drying at 70 °C. The morphology and structure of the materials obtained were studied by scanning electronic microscopy (SEM) and X-ray powder diffraction (XRD).
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Sediri, F., Gharbi, N. Room Temperature Synthesis and Characterization of Hybrid Materials of Polymethylhydrosiloxane Modified by Hydroxide Organic Compounds. J Sol-Gel Sci Technol 33, 33–38 (2005). https://doi.org/10.1007/s10971-005-6696-9
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DOI: https://doi.org/10.1007/s10971-005-6696-9