Highly-twisted, continuous nanofibre yarns prepared by a hybrid needle-needleless electrospinning technique

Shuakat, Muhammad Nadeem and Lin, Tong 2015, Highly-twisted, continuous nanofibre yarns prepared by a hybrid needle-needleless electrospinning technique, RSC advances, vol. 5, no. 43, pp. 33930-33937, doi: 10.1039/c5ra03906a.

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Title Highly-twisted, continuous nanofibre yarns prepared by a hybrid needle-needleless electrospinning technique
Author(s) Shuakat, Muhammad Nadeem
Lin, TongORCID iD for Lin, Tong orcid.org/0000-0002-1003-0671
Journal name RSC advances
Volume number 5
Issue number 43
Start page 33930
End page 33937
Total pages 8
Publisher Royal Society of Chemistry
Place of publication Cambridge, Eng.
Publication date 2015
ISSN 2046-2069
Keyword(s) Science & Technology
Physical Sciences
Chemistry, Multidisciplinary
Summary Nanofibres prepared by electrospinning have shown enormous potential for various applications. They are obtained predominantly in the form of nonwoven fibre webs. The 2-dimensional nonwoven feature and fragility have considerably confined their further processing into fabrics through knitting or weaving. Nanofibre yarns, which are nanofibre bundles with continuous length and a twist feature, show improved tensile strength, offering opportunities for making 3-dimensional fibrous materials with precisely controlled fibrous architecture, porous features and fabric dimensions. Despite a few techniques having been developed for electrospinning nanofibre yarns, they are chiefly based on the needle electrospinning technique, which often has low nanofibre productivity. In this study, we for the first time report a nanofibre yarn electrospinning technique which combines both needle and needleless electrospinning. A rotating intermediate ring collector was employed to directly collect freshly-electrospun nanofibres into a fibrous cone, which was further drawn and twisted into a nanofibre yarn. This novel system was able to produce high tenacity yarn (tensile strength 128.9 MPa and max strain 222.1%) at a production rate of 240 m h-1, with a twist level up to 4700 twists per metre. The effects of various parameters, e.g. position of the electrospinning units, operating conditions and polymer concentration, on nanofibre and yarn production were examined.
Language eng
DOI 10.1039/c5ra03906a
Field of Research 091205 Functional Materials
091209 Polymers and Plastics
Socio Economic Objective 860406 Synthetic Fibres
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Royal Society of Chemistry
Persistent URL http://hdl.handle.net/10536/DRO/DU:30076175

Document type: Journal Article
Collection: Institute for Frontier Materials
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