Thermal Stabilization Effect of PAN Nanofibers Irradiated by Electron Beam Irradiation

전자선 처리된 PAN 나노섬유의 열안정화 효과

  • Kim, Du Yeong (Radiation Research Division for Industry and Environment, Korea Atomic Energy Research Institute) ;
  • Jeun, Joon Pyo (Radiation Research Division for Industry and Environment, Korea Atomic Energy Research Institute) ;
  • Shin, Hye Kyoung (Radiation Research Division for Industry and Environment, Korea Atomic Energy Research Institute) ;
  • Kang, Phil Hyun (Radiation Research Division for Industry and Environment, Korea Atomic Energy Research Institute)
  • 김두영 (한국원자력연구원 방사선공업환경연구부) ;
  • 전준표 (한국원자력연구원 방사선공업환경연구부) ;
  • 신혜경 (한국원자력연구원 방사선공업환경연구부) ;
  • 강필현 (한국원자력연구원 방사선공업환경연구부)
  • Received : 2012.02.10
  • Accepted : 2012.03.06
  • Published : 2012.03.31

Abstract

Polyacrylonitrile (PAN) is one of the most widely used precursor polymers for making high performance carbon fibers. Conversion of PAN fibers to good quality carbon fibers requires an essential stabilization step prior to carbonization. Electron beam irradiation is an excellent technique for modifying the physical properties of materials. This study aimed to elucidate the effects of electron beam irradiation on the stabilization reactions of PAN nanofibers. FT-IR analysis indicated that the stabilization of irradiated PAN nanofibers was initiated at a lower temperature. The TG curve of PAN nanofibers showed a significant decrease of weight loss step between 280 and $320^{\circ}C$. In the case of irradiated PAN nanofibers, weight loss sudden weight did not loss occurs.

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Acknowledgement

Supported by : 교육과학기술부