Production, thermal and dielectrical properties of Ag-doped nano-strontium apatite and nano h-BN filled poly(4-(3-(2,3,4-trimethoxyphenyl) acryloyl) phenyl acrylate) composites

Abstract

In present study, 4-(3-(2,3,4-trimethoxyphenyl) acryloyl) phenyl acrylate (AC-TMC) monomer was synthesized from the reaction of trimethoxy-substituted hydroxy chalcone and acryloyl chloride in the presence of triethylamine. The polymerization of AC-TMC was carried out by the free radical polymerization method at 60 degrees C. Monomer and polymer structures were confirmed by FT-IR,H-1-NMR,C-13-NMR spectroscopy techniques. Polymer composites were filled successfully with Ag doped nano-strontium apatite (Sr-Ag) and nano hexagonal boron nitride (h-BN). Characterization of polymer composites was accomplished using FT-IR, XRD and SEM techniques. Thermal analyzes of polymer and polymer composites were performed in nitrogen atmosphere using thermogravimetry (TGA) and differential scanning calorimetry analysis (DSC) techniques. The dielectric properties of composites were investigated by impedance analyzer in a range of 1 kHz-1 MHz frequency at room temperature. The results showed that with the increasing content of h-BN particles, the glass-transition temperature (Tg) of composites was increased obviously. Moreover, the added h-BN fillers increased the thermal stability of polymer significantly. The dielectric properties of polymer composite were enhanced by adding both Sr-Ag and h-BN fillers. The produced polymer composites can find applications in orthopedic, dental implants and medical field as biomaterial.