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Improving Polymer Nanofiber Quality Using a Modified Co-axial Electrospinning Process

Yu, Deng-Guang; Branford-White, Christopher; Bligh, S. W. Annie; White, Kenneth; Chatterton, Nicholas P. and Zhu, Li-Min (2011). Improving Polymer Nanofiber Quality Using a Modified Co-axial Electrospinning Process. Macromolecular Rapid Communications, 32(9-10) pp. 744–750.

DOI (Digital Object Identifier) Link: https://doi.org/10.1002/marc.201100049
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Abstract

Based on a modified coaxial electrospinning process and suitable selection of solvent mixtures as sheath fluid, a new strategy is presented for systematically improving polymer nanofiber quality. A concentric spinneret with an indented inner capillary is designed for the modified coaxial electrospinning. With a solution of 12% w/v PVP K60 in ethanol as the core electrospinning fluid, six solvents are used as sheath fluids to investigate the impact of solvent properties on the resultant PVP nanofiber quality. The PVP nanofiber quality is closely related to solvent physical-chemical properties. High quality PVP nanofibers of average diameter 130 ±10 nm with homogeneous structures and smooth surfaces are created using a solvent mixture of acetone, ethanol and DMAc in the ratio of 3:1:1(v/v/v).

Item Type: Journal Item
Copyright Holders: 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN: 1521-3927
Project Funding Details:
Funded Project NameProject IDFunding Body
Not Set200902195ChinaPostdoctoral Science Foundation
Not SetNot SetUK-CHINA Joint Laboratory for Therapeutic Textiles
Keywords: co-axial electrospinning; fibers; nanotechnology; quality; spinnerets
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Life, Health and Chemical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 43989
Depositing User: Nicholas Chatterton
Date Deposited: 07 Aug 2015 14:30
Last Modified: 07 Dec 2018 10:33
URI: http://oro.open.ac.uk/id/eprint/43989
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