Effects of Electron Beam Irradiation on the Electrospinning of Polyacrylonitrile

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Electron beam (e-beam) irradiation of polyacrylonitrile (PAN) was performed to investigate the effects of radiation on the electrospinning process. For this study, polyacrylonitrile powder was subjected to e-beam irradiation with different doses of up to 100 kGy under an N-2 atmosphere. Polymer solutions were prepared by dissolving PAN in N,N-dimethyl-formannide (DMF) at a 1:9 ratio by weight. The prepared PAN/DMF solutions showed different colors with different e-beam doses. The resulting structures in solutions contained conjugated C=N bonds, which caused the observed color formation. In addition, the conductivity of the PAN/DMF solution increased with an increase in e-beam irradiation dose. In the DSC spectra of electrospun PAN fibers, the peak temperature of the exothermic reactions was observed to decrease with an increase in the e-beam irradiation strength.
Publisher
AMER SCIENTIFIC PUBLISHERS
Issue Date
2015-08
Language
English
Article Type
Article
Keywords

FIBERS; STABILIZATION; DIAMETER

Citation

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.15, no.8, pp.5942 - 5945

ISSN
1533-4880
DOI
10.1166/jnn.2015.10436
URI
http://hdl.handle.net/10203/196074
Appears in Collection
CBE-Journal Papers(저널논문)
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