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A Study on the Mechanical Properties of Composite Materials of Polyurethane Resin and CuO

PUR/CuO 복합재료의 기계적 특성 연구

  • Kim, Eun-Bong (Department of Control & Mechanical Engineering, Pukyong National University) ;
  • Koo, Su-Jin (Institute of Defense Science & Technology, Pukyong National University) ;
  • Jeong, Sang-Gu (Department of Chemical Engineering, Pukyong National University) ;
  • Kim, Seok-Hyeon (Department of Chemical Engineering, Pukyong National University)
  • 김은봉 (부경대학교 제어기계공학과) ;
  • 구수진 (부경대학교 방위과학기술연구소) ;
  • 정상구 (부경대학교 화학공학과) ;
  • 김석현 (부경대학교 화학공학과)
  • Received : 2014.07.03
  • Accepted : 2014.09.10
  • Published : 2014.10.31

Abstract

For the purpose of development of polyurethane sealing material, polyurethane resins reinforced with CuO were prepared from polyol and MOAC(4,4'-Methylenebis(2-chlorobenzeneamine)). And the effects of compositions on the mechanical properties of the reinforced polyurethane resin were experimentally examined. The polyurethane resin got to be thermally decomposed at $260^{\circ}C$ and completely carbonized around $500^{\circ}C$. Tensile strength, elongation and hardness of the polyurethane resin increased with the content of MOCA. CuO was uniformly dispersed in the polyurethane resin by 1 minute's ultrasonic radiation. Tensile strength, elongation and hardness of the polyurethane resin reinforced with CuO increased with the content of CuO. Tensile strength and hardness of the reinforced polyurethane resin increased with particle size of the CuO, but elongation decreased. CuO showed higher tensile strength and hardness than any other additives, and lowest elongation.

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