Abstract
In this study, biodegradable poly (vinyl alcohol) (PVA) polymer solutions with various concentrations are treated by ultrasonic vibration and successfully bubble-electrospun to fabricate nanofibers. It shows that the ultrasonic vibration time significantly affects the viscosity and electrical conductivity of PVA solution, especially the morphology of the obtained nanofibers which can be characterized by the scanning electron microscopy (SEM). The diameters of the nanofibers are measured at the spinning concentration of 11 % of PVA solution. The novel strategy can be applied to improve solution spinnability and produce much finer nanofibers than without application of vibration technology.
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