Abstract

New insights in the development of epoxy hybrid composites using CNTs decorated with CaCO3 derived from waste eggshell (CaCO3-ESp) have been studied. The composite was produced by the solution stirring method. The dielectric constant, electrical conductivity, and morphology of the samples were determined. The dielectric constant and electrical conductivity were enhanced after the modification of the CNTs with CaCO3-ESp. The high electrical conductivity and dielectric constant obtained were attributed to the high electron mobility of CaCO3-ESp-CNTs, which helps to enhance the conductivity of the epoxy. It was found that used eggshells can be used to make sure that CNTs are spread out well when making conductive polymers for isotropic conductive adhesives, assemblies, and packaging for electronics.

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