Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
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Synthesis, Properties and Applications of Polyamide Thermoplastic Elastomers

폴리아미드계 열가소성탄성체의 합성, 특성 및 응용

  • 이강석 (한양대학교 바이오나노학과) ;
  • 최명찬 (한양대학교 바이오나노학과) ;
  • 김성만 (한양대학교 바이오나노학과) ;
  • 장영욱 (한양대학교 바이오나노학과)
  • Received : 2010.07.12
  • Accepted : 2010.07.29
  • Published : 2010.09.30
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Abstract

Thermoplastic elastomers (TPEs) exhibit both elastomeric behaviors at used temperature range and melt processibility. Polyamide based thermoplastic elastomers (TPAEs) are segmented block copolymers with hard blocks consisting of polyamide segments, while the soft blocks usually consist of flexible segments having a low glass transition temperature. The TPAE is one of the engineering TPEs possessing high thermal stability, excellent mechanical performances, chemical resistance and excellent processibility. And they showed wide range of physical and functional properties depending upon the structure of each segment and their relative contents and the hybridization with various inorganic particles. In this review, synthesis, properties, and possible applications of TPAEs are summarized.

열가소성 탄성체(TPE)는 사용 온도 범위에서 일반 열경화성 고무와 같은 고무 탄성을 지니면서 용융 가공이 가능한 친환경 소재로써 산업 전반에 걸쳐 활용도가 꾸준히 증가하고 있다. 폴리아미드계 TPE (TPAE)는 하드세그멘트가 엔지니어링 플라스틱인 폴리아미드로 이루어져 있고, 소프트 세그먼트가 유리전이온도가 낮은 폴리에테르로 이루어진 다중 블록 공중합체로써 우수한 기계적 물성, 내화학성, 내열성 및 가공성을 나타낸다. 이러한 폴리아미드계 TPE는 하드 세그먼트와 소프트 세그먼트의 구조 및 상대적 조성에 따라 탄성체에서부터 연질 폴리아미드까지의 광범위한 특성이 발현되며, 또한, 다양한 무기 입자와의 하이브리드화를 통한 기능성 소재로의 활용이 기대되는 소재이다. 본 보문에서는 이러한 TPAE를 합성 할 수 있는 중합 방법과 특성 및 응용 분야에 대해 정리하였다.

Keywords

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