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Statements

Subject Item
n2:RIV%2F67985874%3A_____%2F14%3A00430267%21RIV15-GA0-67985874
rdf:type
skos:Concept n15:Vysledek
dcterms:description
During the process of electrostatic spinning, the rheological behaviour of polymer solutions is significantly influenced by the presence of an external electric field. The aim of this contribution is to find a correlation between the electrorheological characteristics of polyvinylbutyral (PVB) solutions and their electrostatic spinnability. When exposed to an external electric field, PVB solutions with either poor or good solvents respond in different ways. It was shown that the complex viscosity ratio hE*/h0* (where hE* and h0* represent complex viscosities of a solution in the presence and absence of an external electric field, respectively) can serve as an indicator as to whether a chosen material is a potential candidate for acceptable electrospinning. This occurs when the ratio hE*/h0* increases with increasing electric field strength, i.e., when poor solvents are applied. The possible changes to the physical and chemical properties of PVB solutions were investigated using SEM, FTIR, DSC, 13C- and 1H-NMR techniques. During the process of electrostatic spinning, the rheological behaviour of polymer solutions is significantly influenced by the presence of an external electric field. The aim of this contribution is to find a correlation between the electrorheological characteristics of polyvinylbutyral (PVB) solutions and their electrostatic spinnability. When exposed to an external electric field, PVB solutions with either poor or good solvents respond in different ways. It was shown that the complex viscosity ratio hE*/h0* (where hE* and h0* represent complex viscosities of a solution in the presence and absence of an external electric field, respectively) can serve as an indicator as to whether a chosen material is a potential candidate for acceptable electrospinning. This occurs when the ratio hE*/h0* increases with increasing electric field strength, i.e., when poor solvents are applied. The possible changes to the physical and chemical properties of PVB solutions were investigated using SEM, FTIR, DSC, 13C- and 1H-NMR techniques.
dcterms:title
An electrorheological investigation of PVB solutions in connection with their electrospinning qualities An electrorheological investigation of PVB solutions in connection with their electrospinning qualities
skos:prefLabel
An electrorheological investigation of PVB solutions in connection with their electrospinning qualities An electrorheological investigation of PVB solutions in connection with their electrospinning qualities
skos:notation
RIV/67985874:_____/14:00430267!RIV15-GA0-67985874
n3:aktivita
n9:I n9:P
n3:aktivity
I, P(GAP105/11/2342)
n3:cisloPeriodika
October
n3:dodaniDat
n16:2015
n3:domaciTvurceVysledku
n6:5101603 n6:6660231
n3:druhVysledku
n13:J
n3:duvernostUdaju
n4:S
n3:entitaPredkladatele
n5:predkladatel
n3:idSjednocenehoVysledku
2450
n3:idVysledku
RIV/67985874:_____/14:00430267
n3:jazykVysledku
n14:eng
n3:klicovaSlova
electrospinning; nanofibres; polyvinylbutyral; electrorheology; polymer solution
n3:klicoveSlovo
n8:polymer%20solution n8:electrospinning n8:nanofibres n8:electrorheology n8:polyvinylbutyral
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[ECCD8D45135F]
n3:nazevZdroje
Polymer Testing
n3:obor
n18:BK
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
6
n3:projekt
n11:GAP105%2F11%2F2342
n3:rokUplatneniVysledku
n16:2014
n3:svazekPeriodika
39
n3:tvurceVysledku
Pavlínek, V. Stěnička, M. Filip, Petr Kuřitka, I. Peer, Petra Brus, Jiří
n3:wos
000343384100016
s:issn
0142-9418
s:numberOfPages
7
n17:doi
10.1016/j.polymertesting.2014.07.016