Electrospinning of chitosan solutions in acetic acid with poly(ethylene oxide)

Bin Duan, Cunhai Dong, Xiaoyan Yuan, Kangde Yao

Research output: Contribution to journalArticle

283 Citations (Scopus)

Abstract

Electrospinning of chitosan solutions with poly(ethylene oxide) (PEO) in an aqueous solution of 2 wt% acetic acid was studied. The properties of the chitosan/PEO solutions, including conductivity, surface tension and viscosity, were measured. Morphology of the electrospun chitosan/PEO was observed by using scanning electron micrographs. Results showed that the ultrafine fibers could be generated after addition of PEO in 2:1 or 1:1 mass ratios of chitosan to PEO from 4-6 wt% chitosan/PEO solutions at 15 kV voltage, 20 cm capillary-collector distance and flow rate 0.1 ml/h. During electrospinning of the chitosan/PEO solutions, ultrafine fibers with diameters from 80 nm to 180 nm were obtained, while microfibers with visually thicker diameters could be formed as well. Results of X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy and differential scanning calorimeter exhibited the larger electrospun microfibers were almost entirely made from PEO, while the electrospun ultrafine fibers mainly contained chitosan.

Original languageEnglish (US)
Pages (from-to)797-811
Number of pages15
JournalJournal of Biomaterials Science, Polymer Edition
Volume15
Issue number6
DOIs
StatePublished - Jul 28 2004

Fingerprint

Ethylene Oxide
Chitosan
Electrospinning
Polyethylene oxides
Acetic acid
Acetic Acid
Fibers
Photoelectron Spectroscopy
Surface Tension
Fourier Transform Infrared Spectroscopy
Scanning
Viscosity
Calorimeters
Electrons
Fourier transform infrared spectroscopy
Surface tension
X ray photoelectron spectroscopy
Flow rate

Keywords

  • Chitosan
  • Electrospinning
  • Poly(ethylene oxide)
  • Ultrafine fibers

ASJC Scopus subject areas

  • Biophysics
  • Bioengineering
  • Biomaterials
  • Biomedical Engineering

Cite this

Electrospinning of chitosan solutions in acetic acid with poly(ethylene oxide). / Duan, Bin; Dong, Cunhai; Yuan, Xiaoyan; Yao, Kangde.

In: Journal of Biomaterials Science, Polymer Edition, Vol. 15, No. 6, 28.07.2004, p. 797-811.

Research output: Contribution to journalArticle

Duan, Bin ; Dong, Cunhai ; Yuan, Xiaoyan ; Yao, Kangde. / Electrospinning of chitosan solutions in acetic acid with poly(ethylene oxide). In: Journal of Biomaterials Science, Polymer Edition. 2004 ; Vol. 15, No. 6. pp. 797-811.
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