Abstract
Indigenous design and fabrication horizontal of electrospinning set up was developed to facilitate with double drum conveyor belt system to make ease in harvesting nanofibers rapidly. As a bench mark study, organic-inorganic nanofiber composite was synthesised employing our indigenous electrospinning set up. The aqueous solution of poly (vinyl alcohol) and poly (vinyl alcohol)/silica sol were employed to produce nanofiber mats in order to vary the experimental parameters such as voltage, solvent effect and the effect of catalyst. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/silica sol fibers were characterized by Scanning electron microscopy (SEM), Atomic force microscopy (AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results, the fine polymeric nanofibers were achieved in the size range of 100-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/silica and the constitution of silica in rendering better fiber mats with this double drum set up.
Highlights
The recent developments in nanofiber technology provides an unique opportunity to create revolutionary polymeric inorganic nanocomposites with appropriate characteristics which can be applied for various non medical and medical applications such as textile applications, optical devices, membranes, sensors, tissue engineering scaffold, catalytic nanofibers etc[1]
Materials Research nanofibers have been collected in an appropriate size through double drum conveyor belt system
Solvent and catalyst effect play a major role in the formation of defect free fibers in the nanometer range. Both are found better to produce fine fibers, less aggregation of silica on Poly(vinyl alcohol) (PVA) matrix and requires low content of PVA for fine fibers production when compared to other preparative method[11]
Summary
The recent developments in nanofiber technology provides an unique opportunity to create revolutionary polymeric inorganic nanocomposites with appropriate characteristics which can be applied for various non medical and medical applications such as textile applications, optical devices, membranes, sensors, tissue engineering scaffold, catalytic nanofibers etc[1]. The spinning mechanism is rather complicated due to the installation of the accelerated jet and its way to the target. It contains three basic components such as syringe pump, high voltage supply and a collector. Electrospinning itself possesses higher flexibility and versatility in higher modification[4]. By this technique, organic/inorganic composite fibers with desired ratios can be fabricated. Organic/inorganic composite fibers with desired ratios can be fabricated These properties have led to its broad industrial use, in such areas like textile sizing and finishing[5]
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