Preparation of isotropic pitch precursor for pitch-based carbon fiber through the co-carbonization of ethylene bottom oil and polyvinyl chloride

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

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

For the first time, polyvinyl chloride (PVC) was used as an easily-handled chlorine source for preparation of isotropic pitch-based carbon fiber (IPCF) incorporating ethylene bottom oil (EO) as a raw material. Pitch precursors were prepared by the chlorination–dehydrochlorination triggered by chlorine radicals originated from PVC; aromatization and poly-condensation reactions occurred by polyene-type radicals from PVC. Radical production and co-carbonization were facilitated by pretreatments of EO through vacuum distillation, bromination, and additional heat treatment. Pitches were prepared by the co-carbonization of pretreated EO and EO containing 20 wt% PVC, and had higher yields and better spinnability than those by simple distillation.

Original languageEnglish
Pages (from-to)276-283
Number of pages8
JournalJournal of Industrial and Engineering Chemistry
Volume67
DOIs
Publication statusPublished - Nov 25 2018

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)

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