About: Study of polycaprolactone wet electrospinning process

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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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.expresspolymlett.com/letolt.php?file=EPL-0005222&mi=c
Description	Wet electrospinning is a useful method for 3-dimensional structure control of nanofibrous materials. This innovative technology uses a liquid collector instead of the metal one commonly used for standard electrospinning. The article compares the internal structural features of polycaprolactone (PCL) nanofibrous materials prepared by both technologies. We analyze the influence of different water/ethanol compositions used as a liquid collector on the morphology of the resultant polycaprolactone nanofibrous materials. Scanning electron micro-photographs have revealed a bimodal structure in the wet electrospun materials composed of micro and nanofibers uniformly distributed across the sample bulk. We have shown that the full-faced, twofold fiber distribution is due to the solvent composition and is induced and enhanced by increasing the ethanol weight ratio. Moreover, the comparison of fibrous layers morphology obtained by wet and dry spinning have revealed that beads that frequently appeared in dry spun materials are created by Plateau-Rayleigh instability of the fraction of thicker fibers. Theoretical conditions for spontaneous and complete immersion of cylindrical fibers into a liquid collector are also derived here. Wet electrospinning is a useful method for 3-dimensional structure control of nanofibrous materials. This innovative technology uses a liquid collector instead of the metal one commonly used for standard electrospinning. The article compares the internal structural features of polycaprolactone (PCL) nanofibrous materials prepared by both technologies. We analyze the influence of different water/ethanol compositions used as a liquid collector on the morphology of the resultant polycaprolactone nanofibrous materials. Scanning electron micro-photographs have revealed a bimodal structure in the wet electrospun materials composed of micro and nanofibers uniformly distributed across the sample bulk. We have shown that the full-faced, twofold fiber distribution is due to the solvent composition and is induced and enhanced by increasing the ethanol weight ratio. Moreover, the comparison of fibrous layers morphology obtained by wet and dry spinning have revealed that beads that frequently appeared in dry spun materials are created by Plateau-Rayleigh instability of the fraction of thicker fibers. Theoretical conditions for spontaneous and complete immersion of cylindrical fibers into a liquid collector are also derived here. (en)
Title	Study of polycaprolactone wet electrospinning process Study of polycaprolactone wet electrospinning process (en)
skos:prefLabel	Study of polycaprolactone wet electrospinning process Study of polycaprolactone wet electrospinning process (en)
skos:notation	RIV/46747885:24410/14:#0003941!RIV15-MV0-24410___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP208/12/0105), P(VG20102014049)
http://linked.open...iv/cisloPeriodika	8
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Lukáš, David Pokorný, Pavel Košťáková, Eva
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	Technická univerzita v Liberci / Fakulta textilní
http://linked.open...dnocenehoVysledku	48321
http://linked.open...ai/riv/idVysledku	RIV/46747885:24410/14:#0003941
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	nanomaterials; wet electrospinning; biodegradable polymers; polycaprolactone; liquid collector (en)
http://linked.open.../riv/klicoveSlovo	polycaprolactone biodegradable polymers wet electrospinning liquid collector nanomaterials
http://linked.open...odStatuVydavatele	HU - Maďarsko
http://linked.open...ontrolniKodProRIV	[4713F256EAD1]
http://linked.open...i/riv/nazevZdroje	Express polymer letters
http://linked.open...in/vavai/riv/obor	JJ
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Research of the possibilities for application of a new materials (focusing on nano-materials) and advanced technologies for protection of people against the exposure to CBRN materials, with emphasis on critical infrastructure POLYMER SOLUTIONS IN AN EXTERNAL FIELD: MOLECULAR UNDERSTANDING OF ELECTROSPINNING
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	8
http://linked.open...iv/tvurceVysledku	Pokorný, Pavel Lukáš, David Košťáková, Eva Seps, M.
http://linked.open...ain/vavai/riv/wos	000341381800003
issn	1788-618X
number of pages	11 (xsd:int)
http://bibframe.org/vocab/doi	10.3144/expresspolymlett.2014.59
http://localhost/t...ganizacniJednotka	24410

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