Clean Technology (청정기술)

The Korean Society of Clean Technology (한국청정기술학회)
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Self-healing Engineering Materials: I. Organic Materials

자기치유 공학재료: I. 유기 재료

  • Choi, Eun-Ji (The WCU Center for Synthetic Polymer Bioconjugate Hybrid Materials, Department of Polymer Science and Engineering, Pusan National University) ;
  • Wang, Jing (The WCU Center for Synthetic Polymer Bioconjugate Hybrid Materials, Department of Polymer Science and Engineering, Pusan National University) ;
  • Yoon, Ji-Hwan (The WCU Center for Synthetic Polymer Bioconjugate Hybrid Materials, Department of Polymer Science and Engineering, Pusan National University) ;
  • Shim, Sang-Eun (Department of Chemical Engineering, Inha University) ;
  • Yun, Ju-Ho (Environmental Materials & Components R&D Center, Korea Automotive Technology Institute) ;
  • Kim, Il (The WCU Center for Synthetic Polymer Bioconjugate Hybrid Materials, Department of Polymer Science and Engineering, Pusan National University)
  • 최은지 (부산대학교 고분자공학과) ;
  • 왕징 (부산대학교 고분자공학과) ;
  • 윤지환 (부산대학교 고분자공학과) ;
  • 심상은 (인하대학교 화학공학과) ;
  • 윤주호 (자동차부품연구원) ;
  • 김일 (부산대학교 고분자공학과)
  • Received : 2010.11.02
  • Accepted : 2010.12.10
  • Published : 2011.03.31
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Abstract

Scientists and engineers have altered the properties of materials such as metals, alloys, polymers, ceramics, and so on, to suit the ever changing needs of our society. Man-made engineering materials generally demonstrate excellent mechanical properties, which often tar exceed those of natural materials. However, all such engineering materials lack the ability of self-healing, i.e. the ability to remove or neutralize microcracks without intentional human interaction. The damage management paradigm observed in nature can be reproduced successfully in man-made engineering materials, provided the intrinsic character of the various types of engineering materials is taken into account. Various self-healing ptotocols that can be applied for the organic materials such as polymers, ionomers and composites can be developed by utilizing suitable chemical reactions and physical intermolecular interactions.

과학자와 공학자들은 끊임없이 금속, 합금, 고분자, 세라믹 등의 공학재료의 성질을 계속해서 변화하는 사회의 요구에 부응하는 방향으로 개선하여 왔다. 인조 공학재료는 일반적으로 기계적 성질이 우수하여, 자연 재료의 기계적 성질보다 우수한 경우가 많다. 그러나, 이와 같은 공학 재료는 자연계에서 흔히 볼 수 있는 자기 치유능력, 즉 고의적인 인간의 접촉을 거치지 않고도 미세균열을 제거하는 능력이 부족하다. 자연에서 관측할 수 있는 손상관리 패러다임은 여러 가지 종류의 공학재료의 고유성질을 잘 고려하면 인조공학 재료에서도 성공적으로 재현할 수 있다. 특히 적절한 화학반응과 분자간력을 응용하면 고분자, 아이오노머, 복합체와 같은 유기재료에 적용할 수 있는 다양한 자기치유 방법을 개발할 수 있다.

Keywords

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