Novel poly(N-vinyl-2-pyrrolidone) nanocomposites containing poly(amide-imide)/aluminum oxide nanostructure hybrid as a filler

In this work, the physicochemical properties of poly(N-vinyl-2-pyrrolidone) (PVP) reinforced with the poly(amide-imide)/alumina nanocomposite (PAN) under sonochemical treatment were studied. In the process of manufacturing PAN, the surface of alumina nanoparticles was grafted with 15 wt% of the bioactive dicarboxylic acid based on amino acid, and an amount of 10 wt% of this modified nanoparticle was loaded into the poly(amide-imide) using some powerful ultrasound irradiation. Subsequently, in order to prepare the PVP-PAN, various contents (2, 4, and 6 wt%) of the PANs were incorporated into the PVP matrix. The structure morphology and the physical properties of the obtained PVP/PANs were analyzed by Fourier transform infrared spectroscopy, X-ray diffraction, thermal gravimetric analysis, field-emission scanning electron microscopy, transmission electron microscopy, and atomic force microscopy. The data obtained from the thermal analysis of PVP/PANs indicated their noteworthy thermal stability, thereby implying the complete miscibility between PVP and the PAN hybrid.