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논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 임종국, 고문주
- 발행연도
- 2019
- 저작권
- 조선대학교 논문은 저작권에 의해 보호받습니다.
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초록· 키워드
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Polymers have been widely adapted as matrix incorporating relatively heavy but functional fillers to produce more practically useful materials with lighter weights in composite industries. To address tremendous needs for developing efficiently heat dissipating material with lightweights, a new class of polymer poly(hexahydrotriazine) (PHT) possessing recyclable and malleable characteristics was synthesized for incorporating model functional hexagonal boron nitride (h-BN) filler. A unique mechanical property (such as plasticity) of the PHT at elevated temperatures was confirmed by dynamic mechanical analysis (DMA). The final composite with highly aligned filler was prepared via simple hot pressing, as a result of a good interfacial interaction between the matrix and the filler along with shear force generated upon manufacturing the composite. the composite exhibited a high thermal conductivity of 13.8 W/mK. By chemically depolymerizing the matrix, the h-BN could be recovered from the composite without physical/chemical denaturation of the filler. Quality of the h-BN was evaluated by performing raman spectroscopy and X-ray photoelectron spectroscopy (XPS), indicating the recovered filler can be used again for the future in various composite fields.
목차
List of Tables ········································································iiiList of Figures ·······································································ivAbstract ················································································vi제 1장 서 론1.1. General Overview ··························································21.2. 고 열전도성 고분자 복합소재 ·············································51.3. 참고문헌 ·····································································6제 2장 h-BN filler를 갖는 고방열 고분자 복합소재의 제조 및 특성2.1. 실 험2.1.1. 시 약 ····································································· 102.1.2. Polyhexahydrotriazine (PHT) 합성 ·································· 112.1.3. h-BN-PHT 복합소재 제조 ··········································· 122.1.4. 측 정 ····································································· 132.2. 결과 및 고찰2.2.1. PHT 합성 및 분석 ····················································· 142.2.2. 열전도도 ································································· 222.2.3. PHT의 화학적 분해를 통한 h-BN 회수 ···························· 342.3. 참고문헌 ····································································· 41제 3장 결 론 ········································································· 43제 4장 부 록논 문 ··················································································· 46Conference ············································································ 47
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