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Enhancement of coil electrospinning using two-level coil structure

journal contribution
posted on 2018-01-01, 00:00 authored by Haitao Niu, Hua Zhou, G Yan, Hong Wang, S Fu, X Zhao, Hao Shao, Tong Lin
© 2018 American Chemical Society. Coil-based electrospinning is among the most efficient needleless electrospinning technologies. Conventional coil electrospinning typically uses a coil with a smooth wire surface as the spinneret. The effect of wire surface morphology on coil electrospinning and nanofiber production is scarcely reported. Herein, we report a novel coil electrospinning that has a secondary coil structure on the coil spinneret. The secondary coil was found to have a great effect on the coil electrospinning process. It reduced the voltage for jet initiation by 4 kV and increased the nanofiber production rate by over 170% but had little influence on fiber diameter. The finite element analysis indicated that the secondary coil structure increased the electric field intensity on the coil surface and fiber-generating areas. These novel understandings may be useful for designing high-efficiency electrospinning spinnerets for nanofiber mass production.

History

Journal

Industrial and Engineering Chemistry Research

Volume

57

Issue

45

Pagination

15473 - 15478

Publisher

ACS Publications

Location

Washington, D.C.

ISSN

0888-5885

eISSN

1520-5045

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2018, American Chemical Society

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