Preparation of petroleum-based mesophase pitch toward cost-competitive high-performance carbon fibers

  • Seunghyun Ko
  • Jong-Eun Choi
  • Chul Wee Lee
  • Young-Pyo JeonEmail author
Original Article


Spinnable mesophase pitch precursor containing more than 98% mesophase content was successfully prepared from FCC-DO (fluid catalytic cracking-decant oil) without hydrogenation or catalytic reaction. The preparation method involved thermal condensation, vacuum treatment, and annealing treatment. Petroleum mesophase pitch-based carbon fibers are produced by melt spinning of pitch precursors, followed by stabilization and carbonization. The resulting carbon fiber exhibited good mechanical performances up to tensile strength of 2.1 GPa and tensile modulus of 212 GPa, with strain-to-failure higher than 1.0%. These properties ensuring that the automotive grade carbon fibers can be successfully prepared from FCC-DO derived petroleum mesophase pitches through the cost-competitive processes.


Heavy oil Slurry oil Mesophase pitch Anisotropic pitch Carbon fiber 



This work was supported by the Technology Innovation Program (10082582, Development of petroleum-based high-quality mesophase pitch and high yield mesophase pitch for premium carbon materials) funded By the Ministry of Trade, Industry and Energy (MOTIE, Korea) and the research project (No. KK1963-805, Development of Petroleum Pitch-based Carbon Fiber) of the Korea Research Institute of Chemical Technology (KRICT).

Compliance with ethical standards

Conflict of interest

On behalf of all authors, the corresponding author states that there is no conflict of interest.


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Copyright information

© Korean Carbon Society 2019

Authors and Affiliations

  • Seunghyun Ko
    • 1
  • Jong-Eun Choi
    • 1
    • 2
  • Chul Wee Lee
    • 1
    • 2
  • Young-Pyo Jeon
    • 1
    • 2
    Email author
  1. 1.Carbon Industry Frontier Research CenterKorea Research Institute of Chemical Technology (KRICT)DaejeonRepublic of Korea
  2. 2.Advanced Materials and Chemical EngineeringUniversity of Science and Technology (UST)DaejeonRepublic of Korea

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