Effects of Electron Beam Irradiation on the Electrospinning of Polyacrylonitrile

被引：3
作者：
Jeun, Joon-Pyo [1 ,2 ]
Kim, Hyun-Bin [1 ]
Oh, Seung-Hwan [1 ]
Park, Jung-Ki [2 ]
Kang, Phil-Hyun [1 ]
机构：
[1] Korea Atom Energy Res Inst, Radiat Res Div Ind & Environm, Jeongeup Si 580185, Jeollabuk Do, South Korea
[2] Korea Adv Inst Sci & Technol, Dept Chem & Biomol Engn, Taejon 305701, South Korea
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2015年 / 15卷 / 08期
关键词：
Polyacrylonitrile; Electron Beam; Conductivity; Electrospinning; FIBERS; STABILIZATION; DIAMETER;
D O I：
10.1166/jnn.2015.10436
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
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.
引用
收藏
页码：5942 / 5945
页数：4
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