Abstract
The present study reports surface modification of extender calcite with silicone to give surface functionalized calcite. The surface modification was confirmed by Fourier transform infrared spectroscopy, scanning electron microscopy and dynamic light scattering analysis. Coatings were formulated by incorporation of this functionalized calcite into the epoxy polymer matrix and compared for coating properties with untreated calcite. The effect of the functionalized calcite on various coating properties with respect to physico-mechanical properties, anticorrosion efficiencies, UV resistance and chemical resistance were studied in detail. The results revealed remarkable enhancement of coating properties with functionalized calcite when compared with the coatings formulated with untreated calcite.
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