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NTIS 바로가기Composites research = 복합재료, v.32 no.6, 2019년, pp.319 - 326
신하은 (Institute of Advanced Composite Materials, Korea Institute of Science and Technology) , 김채빈 (Department of Polymer Science and Engineering, Pusan National University) , 안석훈 (Institute of Advanced Composite Materials, Korea Institute of Science and Technology) , 김두헌 (Institute of Advanced Composite Materials, Korea Institute of Science and Technology) , 임종국 (Department of Chemistry, Chosun University) , 고문주 (Department of Chemical Engineering, Konkuk University)
To address tremendous needs for developing efficiently heat dissipating material with lightweights, a new class of polymer possessing recyclable and malleable characteristics was synthesized for incorporating model functional hexagonal boron nitride (h-BN) filler. A good interfacial affinity between...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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전자기기에서 효율적으로 방열이 되지 않으면 어떠한 문제가 발생하는가? | 또한, 최근 전자기 기의 경량화 및 유연소자 수요의 급증에 따라, 가벼우면서도 효율적인 고분자 방열소재 개발이 각광받고 있다. 이러한 전자기기에서 효율적으로 방열이 되지 않으면, 기기과열, 기기수명 단축, 신뢰성 및 효율성 저하, 심지어 기기의 폭발까지도 초래할 수 있다[6]. | |
전자기기 관련 산업들이 무어의 법칙(Moore’s law)을 충족시키기 위해 무엇을 하였는가? | 지난 수십년 동안 전자기기 관련 산업들은 “무어의 법칙(Moore’s law)”을 충족시키기 위해 더 큰 전력 및 기능성들을 더 작은 크기의 기기에 포함시키기 위해 끊임없이 노력하였다[1]. 현재까지 더 작은 전자기기를 제조하기 위한 다양한 최첨단 리소그래피 및 공정 전략이 개발되었으나[2-5], 이러한 고기능성 소형화 전자기기를 위한 효율적인 방열소재는 상대적으로 개발이 미비하다. | |
다양한 외부 자극(전기장, 자기장 및 중력장)을 적용하여 필러를 정렬하려는 시도의 한계점은 무엇이고, 본 논문에서 제시한 해결책은 무엇인가? | 이러한 필러 네트워크를 더욱 극대화하고 복합소재의 열전도도를 증가시키기 위해, 다양한 외부 자극(예를들어, 전기장[19], 자기장[20,21] 및 중력장[22])을 적용하여 필러를 정렬하려는 시도들이 있었다. 그러나 상기 공정은 일반적으로 매우 많은 에너지가 소비되며 또한 외부자극에 반응하는 필러를 얻기 위해 추가적인 필러의 표면 개질이 필요하다[23,24]. 따라서 대량생산을 원칙으로 하는 산업환경에는 적용되기 어렵다는 단점이 있다. 복합소재 내에서 열전도성 필러를 정렬하기 위해 산업적으로 적용 가능한 접근법은 복합소재 제조시 발생하는 전단력(shear force)을 이용하는 것이다[25-28]. |
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