Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Thermal Behavior of Bisphenol-A-Based Copolybenzoxazine with a Nitrile Functional Group

니트릴계 비스페놀 A 코폴리벤조옥사진의 열적 거동

  • Han, Ga Yeong (Department of Fiber System Engineering, Dankook University) ;
  • Cho, Kwang Su (Department of Fiber System Engineering, Dankook University) ;
  • Kim, Hodong (Department of Fiber System Engineering, Dankook University)
  • 한가영 (단국대학교 파이버시스템공학과) ;
  • 조광수 (단국대학교 파이버시스템공학과) ;
  • 김호동 (단국대학교 파이버시스템공학과)
  • Received : 2022.07.29
  • Accepted : 2022.08.26
  • Published : 2022.08.31
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Abstract

The thermal behavior of copolybenzoxazine with 2,2-bis(3,4-dihydro-3-phenyl-2H-1,3-benzoxazine)propane and 2,2-bis(3,4-dihydro-3-benzonitrile-2H-1,3-benzoxazine)propane was studied. The structure of the two monomers was confirmed by proton nuclear magnetic resonance and Fourier transformed infrared spectroscopies. The thermal polymerization behaviors of the benzoxazine monomers and their blends were studied using differential scanning calorimetry and thermogravimetric analyses. Results indicated that the nitrile functional group in the benzoxazine monomer significantly influences the maximum curing temperature and char yield of the resin. The thermal decomposition behaviors of the polybenzoxazines and copolybenzoxazines were examined at various compositions. The copolybenzoxazines with a nitrile group exhibited excellent thermal stability and a synergy effect on char yield.

Keywords

References

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