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The Effect of Processing Parameters on the Diameter of Electrospun Polyacrylonitrile(PAN) Nano Fibers  

강영식 (전북대학교 공과대학 섬유공학과)
김학용 (전북대학교 공과대학 섬유공학과)
류영준 (전북대학교 공과대학 섬유공학과)
이덕래 (전북대학교 공과대학 섬유공학과)
박수진 (전북대학교 공과대학 섬유공학과)
Publication Information
Polymer(Korea) / v.26, no.3, 2002 , pp. 360-366 More about this Journal
Abstract
The electrospinning of polyacrylonitrile dissolved in N,N-dimethyl formamide (DMF) successfully produced nano-scale fibers. The processing parameters such as charged voltage, velocity of collected roller, and tip-to-collector distance (TCD) , affected the ultimate fiber size. At TCD of 5 cm, the average tiber diameter increased with increasing charged voltage because of the more aggregation between fibers due to the remaining DMF solvent on the fiber surface. But, at TCD of 9 cm, the average fiber diameter decreased as the charged voltage was increased because of complete evaporation of DMF. Also, the fiber diameter decreased with increasing the velocity of collected roller. Cross direction width (CWD) of nonwoven mat increased with decreasing the charged voltage and with increasing TCD.
Keywords
electrospinning; polyacrylonitrile; nano; fibers;
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Times Cited By Web Of Science : 10  (Related Records In Web of Science)
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