Journal of Radiation Industry (방사선산업학회지)

Korean Society of Radiation Industry (한국방사선산업학회)
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High Thermal Degradation and Flame Retardancy of Polyolefin/Metal Hydroxide Composite Prepared by Radiation Crosslinking Technology

방사선 가교 기술로 제조된 Polyolefin/Metal Hydroxide 복합재료의 고온 열화 특성 및 난연성

  • Yong-Hyeon Oh (Department of Polymer Science and Engineering, Chungnam National University) ;
  • Byoung-Min Lee (Industry-Academic Research Cooperation Foundation, Shinhan University) ;
  • Jeong-In Kim (Department of Polymer Science and Engineering, Chungnam National University) ;
  • Jong Kyu Kim (Department of Energy Engineering, Shinhan University) ;
  • Sung-In Jeong (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Joon-Pyo Jeun (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Youn-Mook Lim (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Jae-Hak Choi (Department of Polymer Science and Engineering, Chungnam National University) ;
  • Jong-Seok Park (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
  • 오용현 (충남대학교 고분자공학과) ;
  • 이병민 (신한대학교 산학협력단) ;
  • 김정인 (충남대학교 고분자공학과) ;
  • 김종규 (신한대학교 에너지공학과) ;
  • 정성린 (한국원자력연구원 첨단방사선연구소) ;
  • 전준표 (한국원자력연구원 첨단방사선연구소) ;
  • 임윤묵 (한국원자력연구원 첨단방사선연구소) ;
  • 최재학 (충남대학교 고분자공학과) ;
  • 박종석 (한국원자력연구원 첨단방사선연구소)
  • Received : 2024.09.19
  • Accepted : 2024.09.23
  • Published : 2024.09.30
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Abstract

Polyolefins (PO) are used in various industrial fields due to their excellent mechanical properties, processability, and chemical resistance. However, they have low flame retardancy, and when exposed to high temperatures, there are problem that mechanical properties deteriorate due to oxidation. In this study, we developed PO/metal hydroxide composites that exhibit excellent mechanical strength, heat resistance, and flame retardancy by using antioxidants and radiation crosslinking technology. To improve mechanical strength, heat resistance, and flame retardancy, PO/metal hydroxide/antioxidant composites were prepared and irradiated with an electron beam. Specifically, at temperatures above 200℃, the PO/metal hydroxide composites with primary and secondary antioxidants added and irradiated with a 100 kGy electron beam exhibited excellent thermal stability with a thermal shrinkage rate of less than 3%. In addition, the flame retardancy of the PO/metal hydroxide/antioxidant composites was improved due to enhanced thermal stability from electron beam irradiation and reduced thermal decomposition rate from the antioxidants. These results indicate that radiation crosslinking and antioxidants are effective method to simultaneously achieve mechanical properties, heat resistance, and flame retardancy.

Keywords

Acknowledgement

본 연구는 과학기술정보통신부의 재원으로 한국원자력연구원의 주요사업(523330-24)에 의해 수행되었으며, 이에 감사드립니다.

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