Journal of Radiation Industry (방사선산업학회지)

Korean Society of Radiation Industry (한국방사선산업학회)
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Study on the Physicochemical Properties of Crosslinked Poly(Styrene-Butadiene-Styrene) Block Copolymers Prepared by Radiation

방사선으로 제조된 가교 구조의 Poly(Styrene-Butadiene-Styrene) 블록 공중합체 특성에 관한 연구

  • Lee, Sun-Young (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Song, Ju-Myung (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Sohn, Joon-Yong (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Shin, Junhwa (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
  • 이선영 (한국원자력연구원 정읍방사선과학연구소) ;
  • 송주명 (한국원자력연구원 정읍방사선과학연구소) ;
  • 손준용 (한국원자력연구원 정읍방사선과학연구소) ;
  • 신준화 (한국원자력연구원 정읍방사선과학연구소)
  • Received : 2012.04.01
  • Accepted : 2012.05.21
  • Published : 2012.06.30

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Abstract

In this study, a crosslinked poly(styrene-butadiene-styrene) [SBS] block copolymers were prepared by using gamma ray irradiation method. The effects of various radiation doses on the degree of crosslinking, thermo property, and morphology of crosslinked SBS block copolymer were investigated. The degree of crosslinking of crosslinked SBS block copolymers were measured by gel-fraction and FT-IR. It was found that the degree of crosslinking of crosslinked SBS block copolymers increases with increase of the irradiation dose while the TGA result shows that the initial degradation temperature of irradiated SBS block copolymer was shifted to lower temperature with increasing irradiation dose. These results indicate that degradation reaction also occurs when SBS block copolymer is exposed to gamma ray irradiation for crosslinking reaction. The SAXS and FE-SEM results indicate that the phase separation of the styrene block and butadiene block was reduced with increasing irradiation dose.

Keywords

Acknowledgement

본 연구는 교육과학기술부의 원자력중장기연구개발사업의 연구비 지원으로 수행되었으며 이에 감사드립니다.