Thermal and Solvent-Resistant Properties of Organic–Inorganic Polymer Hybrids Having Interpenetrating Polymer Network Structure by Formation of Metal–Bipyridyl Complex

Organic–inorganic polymer hybrids having IPN (Interpenetrating Polymer Network) structure were synthesized utilizing an in-situ method, which was the simultaneous formation of organic gel through metal–bipyridyl complex and silica gel. Metal–bipyridyl complex was used as a cross-linking point to prepare the organic gel. The properties of the polymer hybrids, such as solvent-resistant and thermal properties, were different according to the kinds and the weight of the used metal ions. Especially, thermo-responsive polymer hybrids could be obtained using iron (II)–bipyridyl complex as a cross-linking point in the silica matrix.