한국섬유공학회지 (Textile Science and Engineering)

  • 제38권12호
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  • Pages.620-626
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  • 2001
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  • 1225-1089(pISSN)
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  • 2288-6419(eISSN)
한국섬유공학회 (The Korean Fiber Society)
권호 표지

폴리아이소이미드의 열적 이미드화 반응속도에 관한 연구

Kinetic Studies of Thermal Imidization of Polyisoimides

  • 손금임 (성균관대학교 섬유공학과) ;
  • 김영준 (성균관대학교 섬유공학과) ;
  • 김지흥 (성균관대학교 화학공학과)
  • 발행 : 2001.12.01

⟨ 이전 논문 다음 논문 ⟩

초록

Detailed kinetic studies of polyisoimide based upon 4,4\`-oxydianiline (ODA) and 4,4\`-oxy-diphthalic anhydride (ODPA) were performed by both isothermal and dynamic differential scanning calorimetric measurements. The polyisoimide system exhibited a limited degree of cure as a function of isothermal temperature because of the diffusion-controlled reaction rates. The kinetic parameters were determined from both isothermal and dynamic experimental data. The thermal imidization of polyisoimide was well described by first order kinetics with an activation energy of 170~180 kJ/mol. The activation energy obtained from isothermal experiments was similar to the values obtained from dynamic experiments utilizing Kissingers\`s and Flynn/wall\`s methods.

키워드

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