THE INFLUENCE OF ELECTROSPINNING PROCESS PARAMETERS ON THE MORPHOLOGY OF THE PVP NANOFIBERS

The article describes the investigation of the effect of electrospinning process parameters wherein the distance between the electrodes was variable, the voltage and the flow rate of the polymer solution was constant for the obtained polymer nanofibers from the solution of PVP/EtOH with concentration of 10% by weight. The morphology of produced nanofibers was examined using a scanning electron microscope (SEM). Based on the SEM images a series of measurements of the nanofibers diameters for each sample were executed and then the results were averaged. The research shows that reducing the distance between the electrodes has a significant impact on the diameter of the PVP nanofibers