About: Electrorheology of suspensions of variously protonated polyaniline particles under steady and oscillatory shear

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About: Electrorheology of suspensions of variously protonated polyaniline particles under steady and oscillatory shear Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Electrorheological (ER) and dielectric properties of silicone-oil suspensions of polyaniline (PANI) particles protonated with phosphoric and tetrafluoroboric acids to various doping level have been investigated. The particle conductivity was thus varied between the order of 10-9 S/cm and 10-4 S/cm. The dynamic yield stresses obtained at controlled shear rate mode viscometry, the storage moduli from the oscillatory shear experiments and the dielectric relaxation times from frequency dependences of dielectric constant and loss factor were used as criteria of rigidity or elasticity of ER structures and particle mobility in the electric field. The conductivity of suspension particles plays a decisive role in their ER behaviour. The ER efficiency increased as conductivity of dispersed particles raised, irrespective of the type of employed acid used for the protonation of PANI. Electrorheological (ER) and dielectric properties of silicone-oil suspensions of polyaniline (PANI) particles protonated with phosphoric and tetrafluoroboric acids to various doping level have been investigated. The particle conductivity was thus varied between the order of 10-9 S/cm and 10-4 S/cm. The dynamic yield stresses obtained at controlled shear rate mode viscometry, the storage moduli from the oscillatory shear experiments and the dielectric relaxation times from frequency dependences of dielectric constant and loss factor were used as criteria of rigidity or elasticity of ER structures and particle mobility in the electric field. The conductivity of suspension particles plays a decisive role in their ER behaviour. The ER efficiency increased as conductivity of dispersed particles raised, irrespective of the type of employed acid used for the protonation of PANI. (en)
Title	Electrorheology of suspensions of variously protonated polyaniline particles under steady and oscillatory shear Electrorheology of suspensions of variously protonated polyaniline particles under steady and oscillatory shear (en)
skos:prefLabel	Electrorheology of suspensions of variously protonated polyaniline particles under steady and oscillatory shear Electrorheology of suspensions of variously protonated polyaniline particles under steady and oscillatory shear (en)
skos:notation	RIV/61389013:_____/10:00349956!RIV11-GA0-61389013
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA202/09/1626), Z(AV0Z40500505)
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Quadrat, Otakar Stejskal, Jaroslav Blinova, Natalia V.
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	Ústav makromolekulární chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	256802
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/10:00349956
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	polyaniline; electrorheology; steady shear (en)
http://linked.open.../riv/klicoveSlovo	electrorheology steady shear polyaniline
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[31A85D1956C8]
http://linked.open...i/riv/nazevZdroje	Applied Rheology
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Smart fluids and composites with tunable structure
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	20
http://linked.open...iv/tvurceVysledku	Pavlínek, V. Quadrat, Otakar Stejskal, Jaroslav Sáha, P. Blinova, Natalia V. Stěnička, M.
http://linked.open...n/vavai/riv/zamer	Progresivní makromolekulární materiály a supramolekulární systémy: syntéza a studium vlastností, jevů a možností využití pro speciální aplikace a moderní technologie
issn	1430-6395
number of pages	7 (xsd:int)

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