Abstract
The controlled hydrolysis of metal alkoxides in the presence of methacrylic acid results in metal oxide clusters capped by polymerizable methacrylate ligands. Radical polymerization of small portions of such clusters with organic co-monomers allows the preparation of an interesting new type of inorganic-organic hybrid polymers in which the metal oxo clusters efficiently crosslink the organic polymers chains. SAXS investigations revealed that the clusters may aggregate to form clusters of clusters. The properties of the hybrid materials, such as thermal stability, swelling, dielectric and mechanical properties, depend not only on the portion of incorporated cluster, i.e. the crosslinking density, but also on the kind of employed cluster.
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Schubert, U. Organofunctional Metal Oxide Clusters as Building Blocks for Inorganic-Organic Hybrid Materials. Journal of Sol-Gel Science and Technology 31, 19–24 (2004). https://doi.org/10.1023/B:JSST.0000047954.70820.dd
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DOI: https://doi.org/10.1023/B:JSST.0000047954.70820.dd