Novel method for producing electrospun composite nanofibre yarns

The current study focuses on the development of a novel electrospinning method with high productivity for nanofibre yarn production. By analysing different recent approaches for nanofibre yarn preparation systems it was found that getting rid of mechanical contacts between the fibres and the collect...

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Bibliographic Details
Published in:Proceedings of the Estonian Academy of Sciences 2018-06, Vol.67 (2), p.169-174
Main Authors: Viirsalu, Mihkel, Savest, Natalja, Plamus, Tiia, Vassiljeva, Viktoria, Krumme, Andres
Format: Article
Language:English
Subjects:
Collectors
Composite materials
Electrospinning
Fibers
Morphology
Nanofibers
Nanotechnology
Polymers
Production processes
Scanning electron microscopy
Textile industry
Vortices
Yarns
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Summary:The current study focuses on the development of a novel electrospinning method with high productivity for nanofibre yarn production. By analysing different recent approaches for nanofibre yarn preparation systems it was found that getting rid of mechanical contacts between the fibres and the collector before the formation of the yarn leads to a significant growth in the production rate. A novel electrospinning unit was designed and tested. The formed fibres were aligned and twisted over the core yarn using a column with rotary air movement. The produced core-shell yarns were studied under scanning electron microscope to determine the morphology of the fibres and yarns. Also, the linear density of the yarn was calculated to determine the growth in mass after covering the core yarn with nanofibres.
ISSN:1736-6046
1736-7530
DOI:10.3176/proc.2018.2.09