Influence of electrospinning methods on characteristics of polyvinyl butyral and polyurethane nanofibres essential for biological applications

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dc.contributor.authorHavlíček, Karel
dc.contributor.authorSvobodová, Lucie
dc.contributor.authorBakalova, Totka
dc.contributor.authorLederer, Tomáš
dc.date.accessioned2020-10-07T07:34:51Z
dc.date.available2020-10-07T07:34:51Z
dc.date.issued2020
dc.description.abstractThe diversity of nanofibre properties is caused not only by their chemical composition but also by the way of their preparation. In this study, we examine nanofibre properties resulting from five different electrospinning methods when using polyurethane or polyvinyl butyral. The five electrospinning methods examined were based on (a) alternating current (AC electrospinning) and (b) direct current (Rod electrospinning, Nanospider (TM) technology, Needle electrospinning, Centrifugal electrospinning). The results, based mainly on the evaluation of images from scanning electron and confocal microscopy, showed clear structural differences between the nanomaterials produced by the various methods. The fibres obtained by the AC method were predominantly fine and disordered with high porosity. In the case of DC methods, which are characterized by a significant difference in productivity, the nanofibers of an accurately defined thickness (Nanospider technology) or very oriented nanofibres with considerable surface roughness (centrifugal spinning) could be prepared. By selecting a suitable method, it should be possible to prepare required nanofibre structures (larger/smaller pore size, specific fibre diameters, etc.) for specific biological applications, sensors, filtration, cosmetic products, drug delivery systems etc. (c) 2020 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).cs
dc.format.extent11 strancs
dc.identifier.doi10.1016/j.matdes.2020.108898
dc.identifier.orcid0000-0001-6137-1575 Havlíček, Karel
dc.identifier.orcid0000-0003-2617-0473 Bakalova, Totka
dc.identifier.urihttps://dspace.tul.cz/handle/15240/157866
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S0264127520304329?via%3Dihub
dc.language.isocscs
dc.publisherELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
dc.relation.ispartofMATERIALS & DESIGN
dc.subjectElectrospinningcs
dc.subjectNanofibre structurecs
dc.subjectImage analysis of nanofiberscs
dc.subjectPolyurethane nanofibrescs
dc.subjectPolyvinyl butyral nanofibrescs
dc.titleInfluence of electrospinning methods on characteristics of polyvinyl butyral and polyurethane nanofibres essential for biological applicationscs
local.article.number108898
local.relation.volume194
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