Preparation of isotropic spinnable pitch and carbon fiber from biomass tar through the co-carbonization with ethylene bottom oil

Jianxiao Yang, Kui Shi, Xuanke Li, Seong-Ho Yoon

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In this study, we tried to prepare an isotropic spinnable pitch which can be useful to prepare the general purpose carbon fiber through the co-carbonization of biomass tar with ethylene bottom oil under two different preparation methods (atmospheric distillation, pressurized distillation). The results showed that the ethylene bottom oil added co-carbonization was very effective to decrease of the oxygen contents for obtaining a stable spinnable pitch. The pressurized distillation was more effective to reduce the oxygen functional groups of pitches than atmospheric distillation. The obtained spinnable pitch by the pressurized distillation showed higher pitch yield of 42% and lower oxygen content of 9.12% than the spinnable pitch by the atmospheric distillation. The carbon fiber derived from the pressurized distillation spinnable pitch by carbonization at 800ºC for 5 min showed that the higher tensile strength of carbon fiber was increased up to 800 MPa.

Original languageEnglish
Pages (from-to)89-94
Number of pages6
JournalCarbon Letters
Volume25
Issue number1
DOIs
Publication statusPublished - Jan 1 2018

Fingerprint

Tars
Tar
Carbonization
Distillation
Carbon fibers
Ethylene
Oils
Biomass
Oxygen
carbon fiber
ethylene
Functional groups
Tensile strength

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

Preparation of isotropic spinnable pitch and carbon fiber from biomass tar through the co-carbonization with ethylene bottom oil. / Yang, Jianxiao; Shi, Kui; Li, Xuanke; Yoon, Seong-Ho.

In: Carbon Letters, Vol. 25, No. 1, 01.01.2018, p. 89-94.

Research output: Contribution to journalArticle

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