Abstract
In the current work, synthesis, structural, magnetic, and dielectric characterization of nanofillers doped epoxy composites were studied deeply. Bisphenol A-(epichlorohydrin): epoxy and hardener N(3-dimethylaminopropyl)-1,3-propylene diamine was used to prepare epoxy composite and nano epoxy composites. (CoFe2O4 + Fe3O4), and (NiFe2O4 + CoFe2O4) hybrid nanofillers were used as nanofillers. The structural information of neat epoxy and nano-epoxy composites was obtained by XRD. To understand the actual chemical changes, the nature of bonding and interaction mechanism between the nano-particles and the neat epoxy; the structural chemistry and surface functionality of nano-epoxy composites were examined through Fourier transform infrared spectroscopy (FTIR). Moreover, vibrational sample magnetometer (VSM) measurements were done to gain additive information about the magnetic properties of nanoparticle-loaded epoxy composites. Dielectric spectroscopy measurements of nano epoxy composites were carried out using a precision LCR meter in the frequency range of 1 kHz to 2 MHz and with the help of a vector network analyzer along with SPEAG dielectric assessment kit for thin layers over the frequency range of 200 MHz to 20 GHz at room temperature. The influence of nano-fillers on the dielectric properties of neat epoxy composites is discussed thoroughly.
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