전기방사에 의한 PAN 나노섬유의 제조특성 = Characterization of Polyacrylonitrile Nanofibers by Electrospinning

다국어 초록 (Multilingual Abstract)

Polyacrylonitrile nanofibers were fabricated by co-electrospinning technique and were characterized using scanning electron microscopy(SEM). We have evaluated systematically the effects of the important processing parameters affected on the morphology of the formed fibers; voltage, solution concentration and tip to collector distance. PAN nanofibers of about 200 nm${\sim}$2500 nm in diameter were well fabricated at the polymer concentration of 7.5 wt%${\sim}$15 wt%. It has been found that the average diameter of PAN nanofibers increased with increasing the concentration of PAN solution due to the reduction of whipping and splitting for the high viscosity solution. we also found an evidence that the applied voltage is strongly correlated with the distribution of nanofibers and the uniformed size of nanofibers were obtained at electrostatic value of 1 kV/cm.

참고문헌 (Reference)

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