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NTIS 바로가기Composites research = 복합재료, v.32 no.3, 2019년, pp.127 - 133
이동주 (Carbon Composite Materials Research Center, Korea Institute of Science and Technology) , 류성우 (Department of Advanced Materials Science and Engineering, The University of Suwon) , 구본철 (Carbon Composite Materials Research Center, Korea Institute of Science and Technology)
Although carbon nanotubes(CNTs) have outstanding theoretical mechanical and electrical properties, CNT fibers(CNTFs) have not yet reached that level. Particularly, tensile strength is only about 10% or less, so studies for making up for it are being actively conducted. As a way for improving mechani...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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탄소나노튜브 섬유(carbon nanotube fibers: CNTF)는 무엇인가? | 이러한 탄소나노튜브를 고분자와 복합체를 형성할 경우는 분산문제를 해결하기 위해 탄소나노튜브를 기능화하는 경우가 많으며 복합체의 물성은 개별 탄소나노튜브의 분산 상태에 좌우되는 경우가 많다. 탄소나노튜브 섬유(carbon nanotube fibers: CNTF)는 개별의 탄소나노튜브를 섬유 형태의 집합체로 제조한 것으로 고분자와 복합체를 제조할 경우 분산 문제가 없으며 탄소섬유처럼 구조용 복합소재로 적용 가능하다. CNTF는 2000년 초반부터 본격적으로 연구가 진행되어 오고 있으며 화학기상 증착법(CVD), 수직성장법(VACNT), 액정방사법 등의 방법으로 제조가 가능한 것으로 알려져 오고 있다[3-8]. | |
CNTF의 제조방법은 어떤 것이 있는가? | 탄소나노튜브 섬유(carbon nanotube fibers: CNTF)는 개별의 탄소나노튜브를 섬유 형태의 집합체로 제조한 것으로 고분자와 복합체를 제조할 경우 분산 문제가 없으며 탄소섬유처럼 구조용 복합소재로 적용 가능하다. CNTF는 2000년 초반부터 본격적으로 연구가 진행되어 오고 있으며 화학기상 증착법(CVD), 수직성장법(VACNT), 액정방사법 등의 방법으로 제조가 가능한 것으로 알려져 오고 있다[3-8]. | |
탄소나노튜브 섬유에 탄소소재의 전구체 고분자를 함침한 후 열처리하면 어떠한 효과를 갖는가? | 본 논문에서는 그 중에서도 탄소나노튜브 섬유에 탄소소재의 전구체 고분자를 함침한 후 열처리를 통해 탄소-탄소 복합소재화하는 연구 결과에 대해 보고하고자 한다. 특히나 이 방법의 경우는 기계적 강도뿐만 아니라 전기전도도도 동시에 향상시킬 수 있는 것으로 알려져 있다. 탄소전구체 고분자로는 탄소섬유 전구체인 폴리아크릴로니트릴(PAN) 외에 폴리도파민(PDA), Resorcinol-Formaldehyde(RF) 등을 보고하고자 한다. |
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