Air permeability of polyacrylonitrile electrospun nanomembranes

This research studied the effect of collector speed and deposition time on the air permeability of electrospun nanomembranes. Polyacrylonitrile nanofibres that had the diameter in the range of 291 - 877 nm were fabricated. It was observed that the collector speed did not affect air permeability significantly. However, the deposition time significantly influenced air permeability. The air permeability of all nanomembranes decreased drastically compared to the pristine fabric without nanomembrane. It is concluded from the results that the deposition time is a dominant factor compared to the collector speed influencing air permeability of nanomembranes. A good correlation was found between the theoretical porosity and experimental air permeability of nanomembranes.