Abstract
In this study, nanocomposites of Ni0.5Zn0.5Fe2O4/polyurethane were prepared by melt mixing method and determined the influence of amount of Ni0.5Zn0.5Fe2O4 (0, 0.5, 1, 2, and 3 wt%) fillers on magnetic induction of segmented polyurethane composites with optimum processing conditions. The obtained nanocomposites particles of all the samples were characterized by TGA (Thermogravimetric Analysis), DSC (Differential Scanning Calorimetry), XRD (X-Ray Diffraction), FTIR (Fourier transform infrared spectroscopy), SEM (Scanning electron microscopy) and Hysteresis measurements (P-E Loop tracer) & VSM (Vibrating Sample Magnetometer). XRD showed the strong characteristic diffraction peaks for ferrite while diffused diffraction pattern for polyurethane. Moreover on increasing nano fillers concentration causes the agglomeration in the composites owing to irregular distribution and consequently the strength of the material reduced. FTIR spectroscopy showed that the positions of peaks for distinctive functional groups of both ferrite and SPU. Micrographs showed that Ferrite/SPU nanocomposites having good dispersion of filler in matrix.
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