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Electromagnetic absorption efficiency of polypropylene/montmorillonite/polypyrrole nanocomposites

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dc.title Electromagnetic absorption efficiency of polypropylene/montmorillonite/polypyrrole nanocomposites en
dc.contributor.author Moučka, Robert
dc.contributor.author Mravčáková, Miroslava
dc.contributor.author Vilčáková, Jarmila
dc.contributor.author Omastová, Mária
dc.contributor.author Sáha, Petr
dc.relation.ispartof Materials & Design
dc.identifier.issn 0261-3069 Scopus Sources, Sherpa/RoMEO, JCR
dc.date.issued 2011-04
utb.relation.volume 32
utb.relation.issue 4
dc.citation.spage 2006
dc.citation.epage 2011
dc.type article
dc.language.iso en
dc.publisher Elsevier en
dc.identifier.doi 10.1016/j.matdes.2010.11.064
dc.relation.uri https://www.sciencedirect.com/science/article/pii/S0261306910006904
dc.subject Polymer matrix composites en
dc.subject Electrical en
dc.subject Microstructure en
dc.description.abstract Electrical conductivity and dielectric properties have been studied for two types of polypropylene composites containing conducting phase. One type comprised conducting polymer-polypyrrole while the second employed montmorillonite particles coated with conducting polymer-polypyrrole. Composites' shielding properties were estimated based on their previously determined electromagnetic characteristics. Unlike a basic binary polypropylene/polypyrrole composite, the ternary sample with multicomponent montmorillonite particles exhibits higher dielectric losses and consequently a significant rise in shielding efficiency in the radio-frequency range of 0.1-1.5 GHz. This stems from the presence of highly polarizable multicomponent montmorillonite anisotropic lamellar particles with polypyrrole conducting layer, which considerably increases the complex permittivity of the composite. (C) 2010 Elsevier Ltd. All rights reserved. en
utb.faculty Faculty of Technology
dc.identifier.uri http://hdl.handle.net/10563/1002169
utb.identifier.rivid RIV/70883521:28110/11:10019185!RIV12-MSM-28110___
utb.identifier.obdid 43862304
utb.identifier.scopus 2-s2.0-79251621396
utb.identifier.wok 000287642800033
utb.source j-wok
dc.date.accessioned 2011-08-16T15:06:36Z
dc.date.available 2011-08-16T15:06:36Z
dc.rights.access openAccess
utb.contributor.internalauthor Moučka, Robert
utb.contributor.internalauthor Vilčáková, Jarmila
utb.contributor.internalauthor Sáha, Petr
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