Journal
INTERNATIONAL POLYMER PROCESSING
Volume 23, Issue 4, Pages 377-384Publisher
CARL HANSER VERLAG
DOI: 10.3139/217.2140
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- Ministry of Education, Culture, Sports, Science and Technology of Japan
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We investigate effects of electric current on formations of beads in electrospinning by changing an electric conductivity of a poly(vinyl alcohol) (PVA) aqueous solution and spinning conditions, such as applied voltage, distance between a tip of needle and a collector, and relative humidity. From the results of experiments done by changing the conductivity of PVA aqueous solution and spinning conditions, we,found that a beads formation is suppressed at a lower electric current. Furthermore, when the electrospinnings are performed at a certain constant electric current in various spinning conditions where the applied voltage and tip-collector distance are changed so as to give the same constant electric current, resultant PVA fibers have no beads and almost the same distribution of fiber diameter.
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