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Electrically conductive textile coating with a PEDOT-PSS dispersion and a polyurethane binder
University of Borås, Sweden.
RISE - Research Institutes of Sweden (2017-2019), Material och produktion, IVF.
RISE - Research Institutes of Sweden (2017-2019), Material och produktion, IVF.
2013 (Engelska)Ingår i: Textile research journal, ISSN 0040-5175, E-ISSN 1746-7748, Vol. 83, nr 6, s. 618-627Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Electrically conductive textile coatings have been prepared by the addition of a dispersion of poly(3,4-ethylenedioxythiophene)-polystyrene sulfonate (PEDOT-PSS) and ethylene glycol to a polyurethane-based coating formulation. The formulations were designed to have similar viscosities, measured with a rheometer using a cone-and-plate set-up. The formulations were applied to woven poly(ethylene) terephthalate substrates using a direct coating method. The concentration PEDOT-PSS in the finished coatings varied between 0.7 and 6.2 wt%, the coating deposit between 19 and 155 g/m2 and the drying procedure between 4 hours at 20°C and 10 minutes at 150°C. Surface resistivity was measured with a ring probe and surface topology was addressed with scanning electron microscopy (SEM). The PEDOT-PSS concentration had a large effect on the resistivity, which dropped by five orders of magnitude with an increased concentration. The steepest decrease occurred between 1 and 3 wt% PEDOT-PSS, indicating a percolation threshold. An increased coating deposit resulted in a resistivity drop by a factor 10, but no significant effect on the resistivity of the samples could be ascertained by variation of the drying conditions when samples had been subjected to subsequent annealing.

Ort, förlag, år, upplaga, sidor
2013. Vol. 83, nr 6, s. 618-627
Nyckelord [en]
Coatings, composites, incorporation, intrinsically conductive polymers, measurement, properties
Nationell ämneskategori
Materialteknik
Identifikatorer
URN: urn:nbn:se:ri:diva-13337DOI: 10.1177/0040517512444330Scopus ID: 2-s2.0-84875286481OAI: oai:DiVA.org:ri-13337DiVA, id: diva2:973543
Tillgänglig från: 2016-09-22 Skapad: 2016-09-22 Senast uppdaterad: 2020-10-20Bibliografiskt granskad

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