Wire coil needleless electrospinning of polymer nanofibers

Wang, Xin, Niu, Haitao, Lin, Tong and Wang, Xungai 2009, Wire coil needleless electrospinning of polymer nanofibers, in Proceedings of the fiber society 2009 spring conference, The Fiber Society, Shanghai, China, pp. 473-473.

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Title Wire coil needleless electrospinning of polymer nanofibers
Author(s) Wang, Xin
Niu, HaitaoORCID iD for Niu, Haitao orcid.org/0000-0002-8442-7444
Lin, TongORCID iD for Lin, Tong orcid.org/0000-0002-1003-0671
Wang, Xungai
Conference name International conference on fibrous materials (2009 : Shanghai, China)
Conference location Shanghai, China
Conference dates 27-29 May, 2009
Title of proceedings Proceedings of the fiber society 2009 spring conference
Publication date 2009
Start page 473
End page 473
Total pages 1
Publisher The Fiber Society
Place of publication Shanghai, China
Summary Elcctrospinning is a very useful technique to produce polymeric nanofibers for diverse applications. The conventional needle-based electrospinning system has VCIY limited fiber productivity and a key challenge has been to develop electrospinning systems that can produce uniform nanofibcrs on a large scale l-3.
In this study, we have demonstrated that a rotating metal wire coil can be used as a nozzle to eiectrospin nanofibers on a large-scale. Without using any needles, the rotating wire coil, partially immersed in a polymer solution reservoir, can pick up a thin layer of charged polymer solution and generate a large number of nanofibers from the wire surface simultaneously. This arrangement significantly increases the nanofiber productivity.
The fiber productivity was found to be determined by the coil dimensions, such as wire diameter, coil radius and distance, and coil length. The effects of applied voltage, the distance bctv,lcen the coil nozzle and collector, and polymer concentration on the fiber
morphology were examined. The dependency of fiber diameter on the polymer concentration showed a similar trend to that for a conventional electrospinning system using a syringe needle nozzle, but the diameter distribution was narrower for the
coil electrospun fibers.
The profiles of electric fIeld strength in coil electrospinning was calculated and showed
concentrated electrical field intensity on the top wire surface. This novel concept of using wire coil as the electrospinning nozzle will contribute to the further development of new large-scale needleless electrospinning systems for nanofiber production.
ISBN 9787894650412
Language eng
Field of Research 100706 Nanofabrication, Growth and Self Assembly
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category E3.1 Extract of paper
HERDC collection year 2009
Copyright notice ©2009, The Fiber Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30035876

Document type: Conference Paper
Collection: Centre for Material and Fibre Innovation
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