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Statements

Subject Item
n2:RIV%2F47451963%3A_____%2F12%3A%230000055%21RIV14-MSM-47451963
rdf:type
skos:Concept n20:Vysledek
dcterms:description
Selected procedures permitting to prepare homogeneous nanofibre structures of the desired morphology by employing a suitable combination of variables during the electrospinning process are presented. A comparison (at the same pressure drop) was made of filtration capabilities of planar polyurethane nanostructures formed exclusively by nanofibres, space polycarbonate nanostructures having bead spacers, structures formed by a combination of polymethyl methacrylate micro- and nanofibres and polypropylene meltblown microstructures, through which ultrafine particles of ammonium sulphate 20 - 400 nm in size were filtered. The structures studied were described using a new digital image analysis technique based on black and white images obtained by scanning electron microscopy. More voluminous structures modified with distance microspheres enable preparation of filters having approximately the same free volume fraction as flat nanofibres filters but an increased effective fibre surface area, changed pore size morphology and, consequently, a higher filter quality. Selected procedures permitting to prepare homogeneous nanofibre structures of the desired morphology by employing a suitable combination of variables during the electrospinning process are presented. A comparison (at the same pressure drop) was made of filtration capabilities of planar polyurethane nanostructures formed exclusively by nanofibres, space polycarbonate nanostructures having bead spacers, structures formed by a combination of polymethyl methacrylate micro- and nanofibres and polypropylene meltblown microstructures, through which ultrafine particles of ammonium sulphate 20 - 400 nm in size were filtered. The structures studied were described using a new digital image analysis technique based on black and white images obtained by scanning electron microscopy. More voluminous structures modified with distance microspheres enable preparation of filters having approximately the same free volume fraction as flat nanofibres filters but an increased effective fibre surface area, changed pore size morphology and, consequently, a higher filter quality.
dcterms:title
Morphology of nanofiber structures in ultrafine particles filtration Morphology of nanofiber structures in ultrafine particles filtration
skos:prefLabel
Morphology of nanofiber structures in ultrafine particles filtration Morphology of nanofiber structures in ultrafine particles filtration
skos:notation
RIV/47451963:_____/12:#0000055!RIV14-MSM-47451963
n20:predkladatel
n21:ico%3A47451963
n3:aktivita
n8:V n8:P
n3:aktivity
P(FR-TI1/053), P(LF12028), V
n3:dodaniDat
n11:2014
n3:domaciTvurceVysledku
n12:8020434 n12:6034748 n12:6109314 n12:2920700
n3:druhVysledku
n17:D
n3:duvernostUdaju
n7:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
151851
n3:idVysledku
RIV/47451963:_____/12:#0000055
n3:jazykVysledku
n19:eng
n3:klicovaSlova
Nanofibres; Electrospinning; Microfiltration; Nanofiltration; ultrafine particals separation; 3D model; morfology of nanostructure
n3:klicoveSlovo
n4:Nanofibres n4:Electrospinning n4:Nanofiltration n4:Microfiltration n4:morfology%20of%20nanostructure n4:3D%20model n4:ultrafine%20particals%20separation
n3:kontrolniKodProRIV
[D8FCE54FD9B7]
n3:mistoKonaniAkce
Graz, Rakousko
n3:mistoVydani
Wiesbaden, německo
n3:nazevZdroje
11th World Filtration congress
n3:obor
n6:CD
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
7
n3:projekt
n5:FR-TI1%2F053 n5:LF12028
n3:rokUplatneniVysledku
n11:2012
n3:tvurceVysledku
Fenyk, Jan Ždímal, Vladimír Kimmer, Dušan Zatloukal, Martin Sambaer, Wannes Petráš, David Vincent, Ivo
n3:typAkce
n18:WRD
n3:zahajeniAkce
2012-04-16+02:00
s:numberOfPages
14
n16:hasPublisher
Filtech Exhibitions Germany
n10:isbn
978-3-941655-05-8