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Using chitosan as a thickener for electrospinning dilute PVA solutions to improve fibre uniformity

Lin, Tong, Fang, Jian, Wang, Hongxia, Cheng, Tong and Wang, Xungai 2006, Using chitosan as a thickener for electrospinning dilute PVA solutions to improve fibre uniformity, Nanotechnology, vol. 17, pp. 3718-3723.

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Title Using chitosan as a thickener for electrospinning dilute PVA solutions to improve fibre uniformity
Author(s) Lin, Tong
Fang, Jian
Wang, Hongxia
Cheng, Tong
Wang, Xungai
Journal name Nanotechnology
Volume number 17
Start page 3718
End page 3723
Publisher IOP Publishing
Place of publication Bristol, England
Publication date 2006-08-14
ISSN 0957-4484
1361-6528
Keyword(s) electrospinning
nanofibre
nanotechnology
fibre science
Summary Chitosan was added to PVA aqueous solutions as a thickener to improve the electrospinning process. The presence of a small amount of chitosan considerably improved the uniformity of as-spun nanofibres. This improvement is attributed to its significant effect on the solution viscosity and conductivity, with only a slight impact on the surface tension. The concentration of the PVA required to produce bead-free and uniform nanofibres was reduced with the increase in chitosan concentration. The chitosan thickener suppressed the jet break-up and facilitated the jet stretching so that fine and uniform fibres could be electrospun even from a dilute PVA solution.
Notes Reproduced with the specific permission of the copyright owner.
Language eng
Field of Research 100799 Nanotechnology not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2006, IOP Publishing Ltd
Persistent URL http://hdl.handle.net/10536/DRO/DU:30003584

Document type: Journal Article
Collections: Centre for Material and Fibre Innovation
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