Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Developing Continuous Stabilization Process for Textile-Grade PAN Fiber-Based Carbon Fiber Using UV Irradiation

저가형 탄소섬유 개발을 위한 자외선 조사 기반 의류용 PAN 섬유의 연속식 안정화 공정 개발

  • Moon, Joon Ha (Department of Chemistry, Gyeongsang National University) ;
  • Seong, Honggyu (Department of Chemistry, Gyeongsang National University) ;
  • Yoo, Jiseon (Carbon composite Materials Research Center, Korea Institute of Science and Technology (KIST)) ;
  • Cho, Se Youn (Carbon composite Materials Research Center, Korea Institute of Science and Technology (KIST)) ;
  • Choi, Jaewon (Department of Chemistry, Gyeongsang National University)
  • 문준하 (경상국립대학교 화학과) ;
  • 성홍규 (경상국립대학교 화학과) ;
  • 유지선 (한국과학기술연구원 탄소융합소재센터) ;
  • 조세연 (한국과학기술연구원 탄소융합소재센터) ;
  • 최재원 (경상국립대학교 화학과)
  • Received : 2022.10.13
  • Accepted : 2022.10.19
  • Published : 2022.10.28
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Abstract

Carbon fibers (CFs) are considered promising composite materials for various applications. However, the high cost of CFs (as much as $26 per kg) limits their practical use in the automobile and energy industries. In this study, we developed a continuous stabilization process for manufacturing low-cost CFs. We employed a textile-grade polyacrylonitrile (PAN) fiber as a low-cost precursor and UV irradiation technique to shorten the thermal stabilization time. We confirmed that UV irradiation on the textile-grade PAN fibers could lower the initial thermal stabilization temperature and also lead to a higher reaction. These resulted in a shorter overall stabilization time and enhancement of the tensile properties of textile-grade PAN-based CFs. Our study found that only 70 min of stabilization time with UV irradiation was required to prepare textile-grade PAN-based low-cost CFs with a tensile strength of 2.37 ± 0.22 GPa and tensile modulus of 249 ± 5 GPa.

Keywords

Acknowledgement

This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT). (NRF-2020R1F1A1072441, NRF-2021R1C1C1011436). This research was supported by "Regional Innovation Strategy (RIS)" through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (MOE) (2021RIS-003) and Following are results of a study on the "Leaders in INdustry-university Cooperation 3.0" Project, supported by the Ministry of Education and National Research Foundation of Korea. This work was supported by the Technological Development for Commercialization by using techbridge platform [RS-2022-00141871] funded by the Ministry of Small and Medium-sized Enterprises (SMEs) and Startups (MSS, Korea).

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