Fibers and Polymers

The Korean Fiber Society (한국섬유공학회)
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Preparation and Characterization of Nanoscaled Poly(vinyl alcohol) fibers via Electrospinning

  • Ding, Bin (Department of Textile Engineering, Chonbuk National University) ;
  • Kim, Hak-Yong (Department of Textile Engineering, Chonbuk National University) ;
  • Lee, Se-Chul (Department of Textile Engineering, Chonbuk National University) ;
  • Lee, Douk-Rae (Department of Textile Engineering, Chonbuk National University) ;
  • Choi, Kyung-Ju (American Air Filter International)
  • Published : 2002.06.01
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Abstract

Nanoscaled PVA fibers were prepared by electrospinning. This paper described the electrospinning process, the processing conditions fiber morphology, and some potential applications of the PVA nato-fibers. PVA fibers with various diameters (50-250 nm) were obtained by changing solution concentration, voltage and tip to collector distance (TCD). The major factor was the concentration of PVA solution which affected the fiber diameter evidently. Increasing the concentration, the fiber diameter was increased, and the amount of beads was reduced even to 0%. The fibers were found be efficiently crosslinked by glyoxal during the curing process. Phosphoric acid was used as a catalyst activator to reduce strength losses during crosslinking. Scanning electron micrograph (SEM) and differential scanning calorimetric (DSC) techniques were employed to characterize the morphology and crosslinking of PVA fibers. It was fecund that the primary factor which affected the crosslinking density was the content of chemical crosslinking agent.

Keywords

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