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Enhancing effect of KMnO4 oxidation of carbon nanotubes network embedded in elastic polyurethane on overall electro-mechanical properties of composite

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dc.title Enhancing effect of KMnO4 oxidation of carbon nanotubes network embedded in elastic polyurethane on overall electro-mechanical properties of composite en
dc.contributor.author Slobodian, Petr
dc.contributor.author Říha, Pavel
dc.contributor.author Olejník, Robert
dc.contributor.author Cvelbar, Uroš
dc.contributor.author Sáha, Petr
dc.relation.ispartof Composites Science and Technology
dc.identifier.issn 0266-3538 Scopus Sources, Sherpa/RoMEO, JCR
dc.date.issued 2013
utb.relation.volume 81
dc.citation.spage 54
dc.citation.epage 60
dc.type article
dc.language.iso en
dc.publisher Elsevier en
dc.identifier.doi 10.1016/j.compscitech.2013.03.023
dc.relation.uri https://www.sciencedirect.com/science/article/pii/S0266353813001486
dc.subject A. Carbon nanotubes en
dc.subject A. Nanocomposites en
dc.subject B. Electrical properties en
dc.subject C. Deformation en
dc.subject Nanotube oxidation en
dc.description.abstract The effect of functionalization of multiwalled carbon nanotubes using KMnO4 oxidation and oxygen plasma treatment on the electrical resistance of nanotube network/polyurethane composite subjected to elongation has been studied. The layered composite is prepared by taking a non-woven polyurethane filtering membrane which is made by electrospinning, enmeshing it with carbon nanotubes and melding them into one. The testing has shown tenfold composite resistance increase for the composite prepared from KMnO4 oxidized nanotubes in comparison to the network prepared from pristine nanotubes. The evaluated sensitivity of the treated composite in terms of the gauge factor increases linearly with strain from values around five at the start of deformation to nearly 45 at the strain 12%. This is a substantial increase, which put the composite prepared from KMnO4 oxidized nanotubes among ranges the materials and strain gauges with the highest sensitivity of electrical resistance measurement. © 2013 Elsevier Ltd. en
utb.faculty Faculty of Technology
dc.identifier.uri http://hdl.handle.net/10563/1003219
utb.identifier.obdid 43870228
utb.identifier.scopus 2-s2.0-84877062227
utb.identifier.wok 000320085500009
utb.identifier.coden CSTCE
utb.source j-scopus
dc.date.accessioned 2013-05-22T11:52:53Z
dc.date.available 2013-05-22T11:52:53Z
dc.rights.access openAccess
utb.contributor.internalauthor Slobodian, Petr
utb.contributor.internalauthor Olejník, Robert
utb.contributor.internalauthor Sáha, Petr
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