Preparation of pitch from pyrolized fuel oil by electron beam radiation and its melt-electrospinning property

정진영; Lee, Young-Seak (이영석)

Preparation of pitch from pyrolized fuel oil by electron beam radiation and its melt-electrospinning property

Carbon Letters
Abbr : Carbon Lett.
2014, 15(2), pp.129-135
Publisher : Korean Carbon Society
Research Area : Natural Science > Natural Science General > Other Natural Sciences General

정진영 ¹, Lee, Young-Seak ¹

¹충남대학교

Accredited

ABSTRACT

Spinnable pitch for melt-electrospinning was obtained from pyrolized fuel oil by electronbeam (E-beam) radiation treatment. The modified pitch was characterized by measuring itselemental composition, softening point, viscosity, molecular weight, and spinnability. Thesoftening point and viscosity properties of the modified pitch were influenced by reformingtypes (heat or E-beam radiation treatment) and the use of a catalyst. The softening point andmolecular weight were increased in proportion to absorbed doses of E-beam radiation andadded AlCl3 due to the formation of pitch by free radical polymerization. The range of themolecular weight distribution of the modified pitch becomes narrow with better spinningowing to the generated aromatic compounds with similar molecular weight. The diameter ofmelt-electrospun pitch fibers under applied power of 20 kV decreased 53% (4.7 ± 0.9 μm)compared to that of melt-spun pitch fibers (10.2 ± 2.8 μm). It is found that E-beam treatmentfor reforming could be a promising method in terms of time-savings and cost-effectiveness,and the melt-electrospinning method is suitable for the preparation of thinner fibers thanthose obtained with the conventional melt-spinning method.

KEYWORDS

pitch, carbon fibers, melt-electrospinning, heat treatment, pyrolized fuel oil, electron beam radiation

Citation status

This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2023-01-03)

Total Citation Counts(KCI+WOS) (11) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

* References for papers published after 2023 are currently being built.

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This paper was written with support from the National Research Foundation of Korea.

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Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 6.04