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Open AccessArticle

Multiple-Jet Needleless Electrospinning Approach via a Linear Flume Spinneret

1
School of Textile Science and Engineering, Xi’an Polytechnic University, Xi’an 710048, China
2
Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai 201620, China
*
Author to whom correspondence should be addressed.
Polymers 2019, 11(12), 2052; https://doi.org/10.3390/polym11122052
Received: 23 October 2019 / Revised: 3 December 2019 / Accepted: 6 December 2019 / Published: 11 December 2019
(This article belongs to the Special Issue Functional Electrospun Nanofibers)
There is a great limitation to improving the quality and productivity of nanofibers through the conventional single-needle method. Using needleless electrospinning technology to generate multiple jets and enhance the productivity of nanofibers has attracted lots of interest for many years. This study develops a novel linear flume spinneret to fabricate nanofibers. Multiple jets with two rows can be formed simultaneously on the surface of the spinneret. The solution concentration has a significant impact on the average nanofiber diameter compared with applied voltage and collection distance. The effects of different spinning process parameters on the productivity of nanofibers are investigated. High-quality nanofibers with small nanofiber diameter and error can be fabricated successfully. The average nanofiber diameter is 108 ± 26 nm. The average error is 24%. The productivity of nanofibers can reach 4.85 ± 0.36 g/h, which is about 24 times more than that of the single-needle method. This novel linear flume spinneret needleless electrospinning technology exhibits huge potential for mass production of nanofibers in the field of industrialization.
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Keywords: multiple-jet; spinneret; electric field; morphology; nanofiber; diameter multiple-jet; spinneret; electric field; morphology; nanofiber; diameter
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MDPI and ACS Style

Wei, L.; Liu, C.; Mao, X.; Dong, J.; Fan, W.; Zhi, C.; Qin, X.; Sun, R. Multiple-Jet Needleless Electrospinning Approach via a Linear Flume Spinneret. Polymers 2019, 11, 2052.

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