Electrospinning of ultra-thin polymer fibers

Raimund Jaeger, Michel M. Bergshoef, Cristina Martin i Batlle,, Holger Schönherr, G. Julius Vancso

Research output: Contribution to journalArticleAcademic

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Abstract

The electrospinning technique was used to spin ultra-thin fibers from several polymer/solvent systems. The diameter of the electrospun fibers ranged from 16 nm to 2 μm. The morphology of these fibers was investigated with an atomic force microscope (AFM) and an optical microscope. Polyethylene oxide) (PEO) dissolved in water or chloroform was studied in greater detail. PEO fibers spun from aqueous solution show a “beads on a string” morphology. An AFM study showed that the surface of these fibers is highly ordered. The “beads on a string” morphology can be avoided if PEO is spun from solution in chloroform; the resulting fibers show a lamellar morphology. Polyvinylalcohol (PVA) dissolved in water and cellulose acetate dissolved in acetone were additional polymer/solvent systems which were investigated. Furthermore, the electrospinning process was studied: different experimental lay-outs were tested, electrostatic fields were simulated, and voltage - current characteristics of the electrospinning process were recorded.
Original languageEnglish
Pages (from-to)141-150
Number of pages10
JournalMacromolecular symposia
Volume127
Issue number1
DOIs
Publication statusPublished - 1998

Fingerprint

Electrospinning
Polymers
Polyethylene oxides
fibers
Fibers
polymers
Microscopes
Chloroform
Chlorine compounds
chloroform
beads
strings
microscopes
Water
Current voltage characteristics
Acetone
optical microscopes
cellulose
water
acetone

Cite this

Jaeger, R., Bergshoef, M. M., Martin i Batlle, C., Schönherr, H., & Vancso, G. J. (1998). Electrospinning of ultra-thin polymer fibers. Macromolecular symposia, 127(1), 141-150. https://doi.org/10.1002/masy.19981270119
Jaeger, Raimund ; Bergshoef, Michel M. ; Martin i Batlle, Cristina ; Schönherr, Holger ; Vancso, G. Julius. / Electrospinning of ultra-thin polymer fibers. In: Macromolecular symposia. 1998 ; Vol. 127, No. 1. pp. 141-150.
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Jaeger, R, Bergshoef, MM, Martin i Batlle, C, Schönherr, H & Vancso, GJ 1998, 'Electrospinning of ultra-thin polymer fibers' Macromolecular symposia, vol. 127, no. 1, pp. 141-150. https://doi.org/10.1002/masy.19981270119

Electrospinning of ultra-thin polymer fibers. / Jaeger, Raimund; Bergshoef, Michel M.; Martin i Batlle, Cristina; Schönherr, Holger; Vancso, G. Julius.

In: Macromolecular symposia, Vol. 127, No. 1, 1998, p. 141-150.

Research output: Contribution to journalArticleAcademic

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AU - Jaeger, Raimund

AU - Bergshoef, Michel M.

AU - Martin i Batlle,, Cristina

AU - Schönherr, Holger

AU - Vancso, G. Julius

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AB - The electrospinning technique was used to spin ultra-thin fibers from several polymer/solvent systems. The diameter of the electrospun fibers ranged from 16 nm to 2 μm. The morphology of these fibers was investigated with an atomic force microscope (AFM) and an optical microscope. Polyethylene oxide) (PEO) dissolved in water or chloroform was studied in greater detail. PEO fibers spun from aqueous solution show a “beads on a string” morphology. An AFM study showed that the surface of these fibers is highly ordered. The “beads on a string” morphology can be avoided if PEO is spun from solution in chloroform; the resulting fibers show a lamellar morphology. Polyvinylalcohol (PVA) dissolved in water and cellulose acetate dissolved in acetone were additional polymer/solvent systems which were investigated. Furthermore, the electrospinning process was studied: different experimental lay-outs were tested, electrostatic fields were simulated, and voltage - current characteristics of the electrospinning process were recorded.

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Jaeger R, Bergshoef MM, Martin i Batlle, C, Schönherr H, Vancso GJ. Electrospinning of ultra-thin polymer fibers. Macromolecular symposia. 1998;127(1):141-150. https://doi.org/10.1002/masy.19981270119