Electrospinning of polymeric fibres: an unconventional view on the influence of surface tension on fibre diameter

Araújo, E. S.; Nascimento, M. L. F.; de Oliveira, H. P.

doi:10.5604/12303666.1172083

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Tytuł artykułu

Electrospinning of polymeric fibres: an unconventional view on the influence of surface tension on fibre diameter

Autorzy

Araújo E. S. , Nascimento M. L. F. , de Oliveira H. P.

Treść / Zawartość

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DOI

10.5604/12303666.1172083

Warianty tytułu

Elektroprzędzenie włókien polimerowych – niekonwencjonalny pogląd na wpływ naprężenia powierzchniowego na średnice włókien

Języki publikacji

Abstrakty

The production of regular and bead-free electrospun polymeric fibres requires an adequate combination of different parameters applied in the experimental setup viz. voltage for electrodeposition, viscosity of the solution, density of the polymeric support, the distance between electrodes and the geometry of the spinneret. Determination of the physical balance of forces on the droplet during fibre production was explored and provides relevant theoretical information about the surface tension and radius of polymeric fibres. Based on these predictions, we prepared polymeric electropun fibres of poly (vinyl alcohol), poly (vinyl pyrrolidone) and Eudragit® L100 in order to analyse non-conventional physical properties of experimental systems such as droplet stiffness and their influence on the diameter of resulting fibres.

Produkcja za pomocą elektroprzędzenia regularnych włókien polimerowych, wolnych od zgrubień wymaga dobrania odpowiedniej kombinacji różnych parametrów stanowiska przędącego takich jak np. napięcie między elektrodami, lepkość roztworu przędzalniczego, gęstość, odległość pomiędzy elektrodami i geometria układu przędącego. Badano fizycznie określony balans sił działający na wypychaną kroplę roztworu podczas tworzenia włókna. Badania eksperymentalne dostarczyły odpowiednich teoretycznych informacji o naprężeniu powierzchniowym i średnicy tworzonych włókien polimerowych. W oparciu o uzyskane informacje przygotowano elektroprzędzenie włókien z alkoholu poliwinylowego, alkoholu poliwinylopirolidowego i preparatu Eudragit® L100. Następnie na podstawie wcześniejszych rozważań i uzyskanych wyników eksperymentalnych przeprowadzono analizę wpływu poszczególnych czynników na średnicę otrzymywanych włókien.

Słowa kluczowe

electrospinning polymeric fibres Taylor-cone surfactant surface tension

elektroprzędzenie włókna polimerowe napięcie powierzchniowe

Wydawca

Sieć Badawcza Łukasiewicz - Łódzki Instytut Technologiczny

Czasopismo

Fibres & Textiles in Eastern Europe

Rocznik

2016

Tom

Vol. 24, no. 1 (115)

Strony

22--29

Opis fizyczny

Bibliogr. 55 poz., rys., tab.

Twórcy

autor

Araújo E. S.

Institute of Research in Materials Science, Federal University of Săo Francisco Valley, Juazeiro, Brazil
Graduate Program in Industrial Engineering, Polytechnic School, Federal University of Bahia, Salvador, Brazil

autor

Nascimento M. L. F.

Graduate Program in Industrial Engineering, Polytechnic School, Federal University of Bahia, Salvador, Brazil

autor

de Oliveira H. P.

helinando.oliveira@univasf.edu.br

Institute of Research in Materials Science, Federal University of Săo Francisco Valley, Juazeiro, Brazil

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.

Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-468bedea-9e50-4980-a1f2-caf560b73939