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Upward needleless electrospinning of nanofibers

Niu, Haitao, Wang, Xungai and Lin, Tong 2012, Upward needleless electrospinning of nanofibers, Journal of engineered fibers and fabrics, vol. 7, no. 3, Special issue - Fibers, pp. 17-22.

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Title Upward needleless electrospinning of nanofibers
Author(s) Niu, Haitao
Wang, Xungai
Lin, Tong
Journal name Journal of engineered fibers and fabrics
Volume number 7
Issue number 3
Season Special issue - Fibers
Start page 17
End page 22
Total pages 6
Publisher Association of the Nonwoven Fabrics Industry (I N D A)
Place of publication Cary, N. C.
Publication date 2012-07
ISSN 1558-9250
Keyword(s) fiber generator
mass production
nanofibers
needleless electrospinning
PAN
Summary Polyacrylonitrile (PAN) nanofibers were prepared by a needleless electrospinning method using three rotating fiber generators, cylinder, disc and coil. The effects of the spinneret shape on the electrospinning process and resultant fiber morphology were examined. The disc spinneret needed the lowest voltage to initiate fiber formation, followed by the coil and cylinder. Compared to cylinder, the disc and coil produced finer fibers with narrower diameter distribution. The productivity of a coil was 23 g/hr, which was much larger than that of the cylinder spinneret having the same length and diameter. Finite elementary method was used to analyze the electric field. Stronger electric field was found to be formed on disc and coil surface, which concentrated on the disc circumferential edge and coil wire surface, respectively. For cylinder, the high intensity electric field was mainly concentrated on the end area. Concentrated electric field on the fiber generating surface could be used to explain the better electrospinning performance of coil, which may form a new concept for designing needleless electrospinning spinnerets.
Language eng
Field of Research 100707 Nanomanufacturing
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2012, Association of the Nonwoven Fabrics Industry (I N D A)
Persistent URL http://hdl.handle.net/10536/DRO/DU:30047409

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.