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Poly(ε-Caprolactone) Nanofibers for Biomedical Scaffolds by High-Rate Alternating Current Electrospinning

Published online by Cambridge University Press:  11 April 2016

Caitlin Lawson ,
Manikandan Sivan ,
Pavel Pokorny ,
Andrei Stanishevsky  and
David Lukáš
Caitlin Lawson
Affiliation:
Department of Physics, University of Alabama at Birmingham, 1300 University Boulevard, Birmingham, AL 35294, USA
Manikandan Sivan
Affiliation:
Faculty of Textile Engineering, Technical University of Liberec, Studentska 2, Liberec 1, 461 17, Czech Republic
Pavel Pokorny
Affiliation:
Faculty of Textile Engineering, Technical University of Liberec, Studentska 2, Liberec 1, 461 17, Czech Republic
Andrei Stanishevsky*
Affiliation:
Department of Physics, University of Alabama at Birmingham, 1300 University Boulevard, Birmingham, AL 35294, USA
David Lukáš
Affiliation:
Faculty of Textile Engineering, Technical University of Liberec, Studentska 2, Liberec 1, 461 17, Czech Republic
*
*(Email: astan@uab.edu)
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Abstract

Poly(ε-caprolactone) (PCL) biopolymer nano- and micro-fibers have been fabricated at high rates up to 14.0 grams per hour using a needleless and collectorless alternating current electrospinning technique. By combining the ac-voltage, glacial acetic acid (AA) as the solvent and sodium acetate (NaAc) as an additive, beadless PCL fibers with diameters tunable from 150 nm to 2000 nm, varying surface morphology and degree of self-bundling were obtained. In this new approach, the addition of NaAc plays a crucial role in improving the spinnability of PCL solution and fiber morphology. NaAc revealed the concentration-dependent effect on charge transfer and rheological properties of the PCL/AA precursor, which results in broader ranges of spinnable PCL concentrations and ac-voltages suitable for rapid manufacturing of PCL-based fibers with different textural properties.

Keywords

fiberpolymerbiomedical
Type
Articles
Information
MRS Advances , Volume 1 , Issue 18: Biomaterials and Soft Materials , 2016 , pp. 1289 - 1294
Copyright
Copyright © Materials Research Society 2016 

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References

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