Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Fabrication of Polymer Composite with Enhanced Insulation and Mechanical Properties using Aluminum Borate Nanowhiskers

알루미늄 보레이트 나노휘스커를 이용한 향상된 절연성 및 기계적 특성을 가지는 고분자 복합체 제작

  • Junhyeok Choi (Engineering Ceramic Center, Korea Institute of Ceramic Engineering & Technology (KICET)) ;
  • Sangin Lee (Engineering Ceramic Center, Korea Institute of Ceramic Engineering & Technology (KICET)) ;
  • Kiho Song (Engineering Ceramic Center, Korea Institute of Ceramic Engineering & Technology (KICET)) ;
  • Taekyung Kim (Engineering Ceramic Center, Korea Institute of Ceramic Engineering & Technology (KICET)) ;
  • Changui Ahn (Engineering Ceramic Center, Korea Institute of Ceramic Engineering & Technology (KICET))
  • 최준혁 (한국세라믹기술원 엔지니어링소재센터) ;
  • 이상인 (한국세라믹기술원 엔지니어링소재센터) ;
  • 송기호 (한국세라믹기술원 엔지니어링소재센터) ;
  • 김태경 (한국세라믹기술원 엔지니어링소재센터) ;
  • 안창의 (한국세라믹기술원 엔지니어링소재센터)
  • Received : 2023.08.11
  • Accepted : 2023.08.24
  • Published : 2023.08.28
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Abstract

Inorganic-organic composites find extensive application in various fields, including electronic devices and light-emitting diodes. Notably, encapsulation technologies are employed to shield electronic devices (such as printed circuit boards and batteries) from stress and moisture exposure while maintaining electrical insulation. Polymer composites can be used as encapsulation materials because of their controllable mechanical and electrical properties. In this study, we propose a polymer composite that provides good electrical insulation and enhanced mechanical properties. This is achieved by using aluminum borate nanowhiskers (ABOw), which are fabricated using a facile synthesis method. The ABOw fillers are created via a hydrothermal method using aluminum chloride and boric acid. We confirm that the synthesis occurs in various morphologies based on the molar ratio. Specifically, nanowhiskers are synthesized at a molar ratio of 1:3 and used as fillers in the composite. The fabricated ABOw/epoxy composites exhibit a 48.5% enhancement in mechanical properties, similar to those of pure epoxy, while maintaining good electrical insulation.

Keywords

Acknowledgement

본 연구는 한국세라믹기술원 정책연구사업(기본연구)의 일환으로 수행되었으며, 이에 감사드립니다. 이 성과는 정부(과학기술정보통신부)의 재원으로 한국연구재단의 지원을 받아 수행된 연구입니다(NRF-2022R1F1A1069574).

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