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Electrically conductive polymeric bi-component fibers containing a high load of low-structured carbon black
RISE - Research Institutes of Sweden, Material och produktion, IVF. Chalmers University of Technology, Sweden.ORCID-id: 0000-0002-1950-8762
Chalmers University of Technology, Sweden.
RISE - Research Institutes of Sweden, Material och produktion, IVF. Chalmers University of Technology, Sweden.ORCID-id: 0000-0002-2679-3307
2015 (Engelska)Ingår i: Journal of Applied Polymer Science, ISSN 0021-8995, E-ISSN 1097-4628, Vol. 132, nr 29, artikel-id 42255Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Melt spinning at semi-industrial conditions of carbon black (CB) containing textiles fibers with enhanced electrical conductivity suitable for heating applications is described. A conductive compound of CB and high density polyethylene (HDPE) was incorporated into the core of bi-component fibers which had a sheath of polyamide 6 (PA6). The rheological and fiber-forming properties of a low-structured and a high-structured CB/HDPE composite were compared in terms of their conductivity. The low-structured CB gave the best trade-off between processability and final conductivity. This was discussed in terms of the strength of the resulting percolated network of carbon particles and its effect on the spin line stability during melt spinning. The conductivity was found to be further enhanced with maintained mechanical properties by an in line thermal annealing of the fibers at temperatures in the vicinity of the melting point of HDPE. By an adequate choice of CB and annealing conditions a conductivity of 1.5 S/cm of the core material was obtained. The usefulness of the fibers for heating applications was demonstrated by means of a woven fabric containing the conductive fibers in the warp direction. By applying a voltage of 48 V the surface temperature of the fabric rose from 20 to 30°C.

Ort, förlag, år, upplaga, sidor
John Wiley and Sons Inc. , 2015. Vol. 132, nr 29, artikel-id 42255
Nyckelord [en]
composites, conducting polymers, fibers, graphene and fullerenes, nanotubes
Nationell ämneskategori
Materialteknik
Identifikatorer
URN: urn:nbn:se:ri:diva-13312DOI: 10.1002/app.42255Scopus ID: 2-s2.0-84929050556OAI: oai:DiVA.org:ri-13312DiVA, id: diva2:973518
Tillgänglig från: 2016-09-22 Skapad: 2016-09-22 Senast uppdaterad: 2019-07-03Bibliografiskt granskad

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Nilsson, ErikHagström, Bengt

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