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Title:Electrospinning : nanofibre production method
Authors:ID Kurečič, Manja (Author)
ID Sfiligoj-Smole, Majda (Author)
Files:.pdf Tekstilec_2013_Kurecic,_Sfiligoj-Smole_Electrospinning_nanofibre_production_method.pdf (290,78 KB)
MD5: BE79B734F7DD3712B12AC93074CC46F5
 
URL http://www.tekstilec.si/wp-content/uploads/2013/01/Elektropredenje-Postopek-izdelave-nanovlaken.pdf
 
Language:English
Work type:Scientific work
Typology:1.02 - Review Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:Electrospinning is a method based on the use of electrostatic forces for producing continuous fibres with the diameter from between ten nanometres to some micrometres. Such fine fibres cannot be produced with conventional methods for the production of nonwovens. The nanofibres formed with electrospinning have an exceptionally large active surface area per mass unit (fibre surface at diameter of 100 nm equals 40 $m^2$/g) and the spinning process itself enables a planned formation of the web structure (e.g. planned size of pores in the web by adjusting the nanofibre diameter and fibre thickness). Nanofibres can be electrospun from synthetic or natural polymers and their blends, from polymers with various nanoparticles (metal, ceramic etc), active substances etc. We can fabricate individual fibres, as well as webs with a random or planned fibre arrangement. Fibres with a complex structure, e.g. core shell or hollow fibres, can be produced with a special electrospinning method. Regarding the advantages demonstrated by the nanofibres fabricated with electrospinning, this procedure has become an important part of research in seve ral fields of use of technical textiles, e.g. shielding materials, air and oil filters in the car industry, agrotextiles and most of all medical textiles. The method can also be used in the production of batteries and photovoltaic cells. Apart from the apparatus designed for the research purpose in laboratories, pilot devices and the devices designed for the use in the industry can be found on the market. The paper comprises the introduction of the preparation procedure of nanofibres on an electrospinning apparatus, the morphological characteristics of fibres and the characteristics of electrospun webs in dependence of the conditions when forming fibres.
Keywords:nanotechnology, nanofibres, electrospinning, 3D-structure
Publication status:Published
Publication version:Version of Record
Year of publishing:2013
Number of pages:str. 4-12
Numbering:Letn. 56, št. 1
PID:20.500.12556/DKUM-50328 New window
ISSN:0351-3386
UDC:677.1
ISSN on article:0351-3386
COBISS.SI-ID:16777238 New window
NUK URN:URN:SI:UM:DK:M1UL4AP6
Publication date in DKUM:10.07.2015
Views:2209
Downloads:120
Metadata:XML DC-XML DC-RDF
Categories:Misc.
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Record is a part of a journal

Title:Tekstilec. glasilo slovenskih tekstilcev
Shortened title:Tekstilec
Publisher:Zveza inženirjev in tehnikov tekstilcev, Splošno združenje tekstilne industrije, Zveza inženirjev in tehnikov tekstilcev, Splošno združenje tekstilne industrije, Društvo inženirjev in tehnikov tekstilcev, Univerza v Ljubljani, Naravoslovnotehniška fakulteta, Oddelek za tekstilstvo, Založba Univerze v Ljubljani
ISSN:0351-3386
COBISS.SI-ID:763396 New window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:10.07.2015

Secondary language

Language:Slovenian
Title:Elektropredenje : postopek izdelave nanovlaken
Abstract:Elektropredenje (electrospinning) je metoda, ki temelji na uporabi elektrostatskih sil za oblikovanje neskončnih vlaken s premerom med deset nanometri in nekaj mikrometri. Tako finih vlaken ni mogoče oblikovati s konvencionalnimi metodami izdelave netkanih tekstilij. Nanovlakna, oblikovana po postopku elektropredenja, imajo izjemno veliko aktivno površino na enoto mase (pri premeru 100 nm je površina vlaken 40 $m^2$/g), medtem ko sam postopek elektropredenja omogoča tudi načrtno oblikovanje strukture koprene (npr. načrtovanje velikosti por v kopreni z uravnavanjem premera nanovlaken in gostote vlaken). Po postopku elektropredenja lahko izdelamo nanovlakna iz sintetičnih ali naravnih polimerov in njihovih mešanic, polimerov z vključenimi različnimi nanodelci (kovinskimi, keramičnimi delci .), z vključenimi zdravilnimi učinkovinami itd. Oblikujemo lahko posamezna vlakna, kot tudi koprene z naključno ali načrtovano ureditvijo vlaken. Vlakna s kompleksno strukturo, kot na primer jedro-plašč ali votla vlakna, pa lahko proizvedemo po posebni metodi elektropredenja. Glede na prednosti, ki jih izkazujejo nanovlakna, oblikovana po postopku elektropredenja, je postal ta postopek zelo pomemben del raziskav na številnih področjih uporabe tehničnih tekstilij, kot so zaščitni materiali, zračni in oljni filtri za avtomobilsko industrijo, agrotekstilije in predvsem na področju medicine. Metoda je uporabna tudi za izdelavo materialov za baterije in fotovoltaične celice. Poleg naprav, ki so namenjene raziskavam v laboratorijskih obsegih, pa so na trgu že tudi pilotske naprave in takšne, ki so namenjene tudi industriji. V prispevku bomo predstavili pripravo nanovlaken na elektropredilni napravi, morfološke značilnosti vlaken in lastnosti izdelanih kopren v odvisnosti od pogojev oblikovanja vlaken.
Keywords:nanotehnologija, nanovlakna, elektropredenje, 3D-struktura


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