Stranger, Jonathan, Staiger, Mark P., Tucker, Nick, Coles, Stuart R., Jacobs, Daniel K. and Kirwan, Kerry. (2009) Effect of charge density on the Taylor cone in electrospinning. Solid State Phenomena, Vol.151 . pp. 54-59. ISSN 1662-9779

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Abstract

A detailed understanding of charge density and its origins during the electrospinning process is desirable for developing new electrospinnable polymer-solvent systems and ensuring mathematical models of the process are accurate. In this work, two different approaches were taken to alter the charge density in order to measure its effect on the Taylor cone, mass deposition rate and initial jet diameter. It was found that an increase in charge density results in a decrease in the mass deposition rate and initial jet diameter. A theory is proposed for this behaviour in that an increase in charge density leads to the tip of the Taylor cone forming a smaller radius of curvature resulting in the concentration of electric stresses at the tip. This leads to the electrostatic forces drawing the initial jet from a smaller effective area or “virtual orifice”.

Item Type:	Journal Article
Subjects:	Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) T Technology > TP Chemical technology
Divisions:	Faculty of Science > WMG (Formerly the Warwick Manufacturing Group)
Journal or Publication Title:	Solid State Phenomena
Publisher:	Scitec Publications Ltd.
ISSN:	1662-9779
Date:	2009
Volume:	Vol.151
Number of Pages:	6
Page Range:	pp. 54-59
Identification Number:	10.4028/www.scientific.net/SSP.151.54
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
URI:	http://wrap.warwick.ac.uk/id/eprint/46963

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