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Highly Elastic Conductive Polyamide/Lycra Fabric Treated with PEDOT:PSS and Polyurethane
University of Borås, Faculty of Textiles, Engineering and Business. (Textile Materials Technology)ORCID iD: 0000-0002-0781-319X
University of Borås, Faculty of Textiles, Engineering and Business. (Textile Materials Technology)ORCID iD: 0000-0002-4369-9304
California Polytechnic University and Chalmers University of Technology.ORCID iD: 0000-0002-3270-5123
Gheoerghe Asachi Technical University of Iasi.
2019 (English)In: Symposium SB10 : Electronic Textiles, 2019Conference paper, Oral presentation with published abstract (Refereed)
Sustainable development
According to the author(s), the content of this publication falls within the area of sustainable development.
Abstract [en]

Conductive elastic fabrics are desirable in wearable electronics and related applications. Here, we report a highly elastic conductive polyamide/lycra knitted fabric using intrinsically conductive polymer poly (3, 4-ethylenedioxythiophene) (PEDOT) blended with polyelectrolyte poly (styrene sulfonate) (PSS) by easily scalable coating and immersion methods. We investigated the effects of these two methods of treatments on uniformity, electromechanical property, stretchability, and durability. Different grades of waterborne polyurethanes (PU) were employed in different concentrations to improve the coating and adhesion of the PEDOT:PSS on the fabric. The immersion method gave better uniform treatment, higher conductivity, and durability against stretching and cyclic stretching than the coating method. The surface resistance increased from ~1.7 and ~6.4 Ω/sq at 0% PU to ~3.7 and ~12.6 Ω/sq at 50% PU for immersion and coating methods, respectively. The treatment methods as well as the acidic PEDOT:PSS did not affect the mechanical properties of the fabric and the fabric showed high strain at break of ~650% and remain conductive until break. The resistance increased only by a small amount when samples were stretched for 10 cycles at 100% strain and the samples show good durability against 10 domestic laundry washing cycles.

Place, publisher, year, edition, pages
2019.
National Category
Engineering and Technology
Research subject
Textiles and Fashion (Design)
Identifiers
URN: urn:nbn:se:hb:diva-22296OAI: oai:DiVA.org:hb-22296DiVA, id: diva2:1381043
Conference
Materials Research Society (MRS), Boston, December 1-6, 2019.
Available from: 2019-12-20 Created: 2019-12-20 Last updated: 2022-09-28Bibliographically approved

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Tadesse, Melkie GetnetNierstrasz, Vincent

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Tadesse, Melkie GetnetNierstrasz, VincentMengistie, Desalegn Alemu
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CiteExportLink to record
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