About: Effect of Electrical Field on Dipoles in Polymer

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Orientation of two bipolar compounds embeddedin polymer composites was studied. Poly(methylmethacrylate) (PMMA) dissolved in acetone was dopedwith a cobaltborane derivative of 1,2-dimethylimidazole andpolystyrene (PS) dissolved in toluene was doped with the3-(1,2-dimethyl imidazole)-borane. To orient the dipoles, thecomposites were exposed to external electrical field: PMMAcomposite at the temperature of glass transition (Tg) and PScomposite during evaporation of the toluene solvent. Thedegree of dipole orientation was estimated by the change inrelative permittivity ( ) of the resulting composite film. Thedependence of the on the temperature, frequency, voltage,and dipole concentration was studied. It was found that thedipole#s distribution in the composite .lm was not homogenous.At the Tg, the dipoles in PMMA became oriented byexternal direct electrical .eld and the orientation was conservedafter cooling to lower temperatures. In a PS-basedcomposite, the significant permittivity increase was observ Orientation of two bipolar compounds embeddedin polymer composites was studied. Poly(methylmethacrylate) (PMMA) dissolved in acetone was dopedwith a cobaltborane derivative of 1,2-dimethylimidazole andpolystyrene (PS) dissolved in toluene was doped with the3-(1,2-dimethyl imidazole)-borane. To orient the dipoles, thecomposites were exposed to external electrical field: PMMAcomposite at the temperature of glass transition (Tg) and PScomposite during evaporation of the toluene solvent. Thedegree of dipole orientation was estimated by the change inrelative permittivity ( ) of the resulting composite film. Thedependence of the on the temperature, frequency, voltage,and dipole concentration was studied. It was found that thedipole#s distribution in the composite .lm was not homogenous.At the Tg, the dipoles in PMMA became oriented byexternal direct electrical .eld and the orientation was conservedafter cooling to lower temperatures. In a PS-basedcomposite, the significant permittivity increase was observ (en) Vliv elektrického pole na dipóly v polymerních kompozitech (cs)
Title	Effect of Electrical Field on Dipoles in Polymer Effect of Electrical Field on Dipoles in Polymer (en) Vliv elektrického pole na dipóly v polymerních kompozitech (cs)
skos:prefLabel	Effect of Electrical Field on Dipoles in Polymer Effect of Electrical Field on Dipoles in Polymer (en) Vliv elektrického pole na dipóly v polymerních kompozitech (cs)
skos:notation	RIV/60461373:22310/04:00011739!RIV/2005/GA0/223105/N
http://linked.open.../vavai/riv/strany	40-45
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA102/01/1324), Z(MSM 223100002)
http://linked.open...iv/cisloPeriodika	91
http://linked.open...vai/riv/dodaniDat	2005
http://linked.open...aciTvurceVysledku	Švorčík, Václav Gardášová, Romana Rybka, Vladimír
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemické technologie
http://linked.open...dnocenehoVysledku	561870
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/04:00011739
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	dependence of the on the temperature, frequency, voltage,and dipole concentration was studied. It was found that thepoly(methyl methacrylate);polystyrene;composites;dipoles orientation;permittivity (en)
http://linked.open.../riv/klicoveSlovo	permittivity voltage frequency and dipole concentration was studied. It was found that thepoly(methyl methacrylate) dependence of the on the temperature dipoles orientation composites polystyrene
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[F54AE493108D]
http://linked.open...i/riv/nazevZdroje	Journal of Applied Polymer Science
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Dielectrical and electrical properties of polymeric composites
http://linked.open...UplatneniVysledku	2004
http://linked.open...v/svazekPeriodika	neuveden
http://linked.open...iv/tvurceVysledku	Hnatowicz, Vladimír Švorčík, Václav Rybka, Vladimír Plešek, J. Červená, J. Gardášová, Romana
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20223100002
issn	0021-8995
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	22310

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