Article (Scientific journals)
Elastic sheath–liquid crystal core fibres achieved by microfluidic wet spinning
Honaker, Lawrence William; Vats, Shameek; Anyfantakis, Emmanouil et al.
2019In Journal of Materials Chemistry C
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Keywords :
liquid crystal; polymer; fiber; wet spinning; microfluidics; optics
Abstract :
[en] While coaxial polymer sheath–liquid crystal core fibres attract interest for fundamental research as well as applied reasons, the main method for achieving them so far, electrospinning, is complex and has significant limitations. It has proven particularly challenging to spin fibres with an elastic sheath. As an alternative approach, we present a microfluidic wet spinning process that allows us to produce liquid crystal core–polyisoprene rubber sheath fibres on a laboratory scale. The fibres can be stretched by up to 300% with intact core–sheath geometry. We spin fibres with nematic as well as with cholesteric liquid crystal in the core, the latter turning the composite fibre into an elastic cylindrical photonic crystal. Iridescent colours are easily observable by the naked eye. As this coaxial wet spinning should be amenable to upscaling, this could allow large-scale production of innovative functional fibres, attractive through the various responsive characteristics of different liquid crystal phases being incorporated into an elastic textile fiber form factor.
Disciplines :
Physical, chemical, mathematical & earth Sciences: Multidisciplinary, general & others
Author, co-author :
Honaker, Lawrence William ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Vats, Shameek ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Anyfantakis, Emmanouil ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Lagerwall, Jan  ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
External co-authors :
no
Language :
English
Title :
Elastic sheath–liquid crystal core fibres achieved by microfluidic wet spinning
Publication date :
02 September 2019
Journal title :
Journal of Materials Chemistry C
ISSN :
2050-7534
Publisher :
Royal Society of Chemistry, United Kingdom
Peer reviewed :
Peer Reviewed verified by ORBi
Focus Area :
Physics and Materials Science
European Projects :
H2020 - 648763 - INTERACT - Intelligent Non-woven Textiles and Elastomeric Responsive materials by Advancing liquid Crystal Technology
FnR Project :
FNR9784104 - Liquid Metals Subject To Flow: From Fundamental Soft Matter Physics To Stretchable Electronics, 2015 (15/10/2015-14/10/2019) - Lawrence William Honaker
Funders :
FNR - Fonds National de la Recherche [LU]
CER - Conseil Européen de la Recherche [BE]
CE - Commission Européenne [BE]
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since 27 November 2019

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