About: On the electrospinning of PVB solutions

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Extension rheological characteristics belong to the principal description of polymer jet formation during a process of electrospinning. However, in spite of nearly absence of shear deformation of polymer solutions during the process of their spinnability, it seems that shear electrorheological characteristics can serve as an indicator of good or bad quality of an electrospun template. The experiments were carried out with four polyvinylbutyral (PVB) solutions in concentration of 10 wt%. Shear viscosities in absence (η0) and presence (η) of electric field were measured using a rotational rheometer equipped with an electrorheological cell. It was shown that the good solvents of PVB exhibit an almost constant curve of η/η0 vs. electric field strength, whereas the viscosity curves for the poor solvents exhibit enhancement. This enhancement corresponds to better quality of electrospun templates (obtained for polymer solutions of PVB with poor solvents). Extension rheological characteristics belong to the principal description of polymer jet formation during a process of electrospinning. However, in spite of nearly absence of shear deformation of polymer solutions during the process of their spinnability, it seems that shear electrorheological characteristics can serve as an indicator of good or bad quality of an electrospun template. The experiments were carried out with four polyvinylbutyral (PVB) solutions in concentration of 10 wt%. Shear viscosities in absence (η0) and presence (η) of electric field were measured using a rotational rheometer equipped with an electrorheological cell. It was shown that the good solvents of PVB exhibit an almost constant curve of η/η0 vs. electric field strength, whereas the viscosity curves for the poor solvents exhibit enhancement. This enhancement corresponds to better quality of electrospun templates (obtained for polymer solutions of PVB with poor solvents). (en)
Title	On the electrospinning of PVB solutions On the electrospinning of PVB solutions (en)
skos:prefLabel	On the electrospinning of PVB solutions On the electrospinning of PVB solutions (en)
skos:notation	RIV/67985874:_____/10:00348878!RIV11-AV0-67985874
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA200600703), Z(AV0Z20600510)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Švrčinová, Petra Filip, Petr
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav pro hydrodynamiku AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	276856
http://linked.open...ai/riv/idVysledku	RIV/67985874:_____/10:00348878
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	electrospinning; elongational viscosity; polyvinylbutyral (PVB) (en)
http://linked.open.../riv/klicoveSlovo	elongational viscosity electrospinning polyvinylbutyral (PVB)
http://linked.open...ontrolniKodProRIV	[8C948367029E]
http://linked.open...v/mistoKonaniAkce	Olomouc
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	Conference Proceedings
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Investigation of flow behaviour for a novel class of metallocene-based polymers
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Filip, Petr Švrčinová, Petra Lubasová, D.
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2010-10-12 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Dynamics of Fluid Systems and Transformation Processes in Hydrosphere
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	TANGER
https://schema.org/isbn	978-80-87294-19-2
is http://linked.open...avai/riv/vysledek of	On the electrospinning of PVB solutions On the electrospinning of PVB solutions On the electrospinning of PVB solutions

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