Effect of the pre-treated pyrolysis fuel oil

Coal tar pitch ratio on the spinnability and oxidation properties of isotropic pitch precursors and the mechanical properties of derived carbon fibers

Jinchang Liu, Hiroki Shimanoe, Jong Eun Choi, Seunghyun Ko, Young Pyo Jeon, Koji Nakabayashi, Jin Miyawaki, Seong-Ho Yoon

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Pitch precursors affording excellent spinnability, high-level oxidation-resistance, and good carbonization yields were prepared by bromination–dehydrobromination of various ratios of pyrolyzed fuel oil and coal tar pitch. The pitches exhibited spin-nabilities that were much better than those of pitches prepared via simple distillation. A pitch prepared using a 1:2 ratio of fuel oil and coal tar pitch exhibited the best tensile strength. Pitch fibers of diameter 8.9 ± 0.1 μm were stabilized at 270 °C without soaking time after heating at a rate of 0.5 °C/min and carbonized at 1100 °C for 1 h after heating at 5 °C/min. The resulting carbon fibers exhibited a tensile strength, elongation, Young’s modulus, and average diameter of 1700 ± 170 MPa, 1.6 ± 0.1%, 106 ± 37 GPa, and 7.1 ± 0.2 μm, respectively.

Original languageEnglish
Pages (from-to)193-202
Number of pages10
JournalCarbon Letters
Volume29
Issue number2
DOIs
Publication statusPublished - Apr 1 2019

Fingerprint

Fuel Oils
Coal Tar
Coal tar
Fuel oils
Carbon fibers
Pyrolysis
Tensile strength
Heating
Oxidation
Mechanical properties
Carbonization
Oxidation resistance
Distillation
Elongation
Elastic moduli
Fibers
carbon fiber

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Process Chemistry and Technology
  • Organic Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Effect of the pre-treated pyrolysis fuel oil : Coal tar pitch ratio on the spinnability and oxidation properties of isotropic pitch precursors and the mechanical properties of derived carbon fibers. / Liu, Jinchang; Shimanoe, Hiroki; Choi, Jong Eun; Ko, Seunghyun; Jeon, Young Pyo; Nakabayashi, Koji; Miyawaki, Jin; Yoon, Seong-Ho.

In: Carbon Letters, Vol. 29, No. 2, 01.04.2019, p. 193-202.

Research output: Contribution to journalArticle

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