Journal of the Semiconductor & Display Technology (반도체디스플레이기술학회지)

The Korean Society Of Semiconductor & Display Technology (한국반도체디스플레이기술학회)
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Property Comparison of Bio-Polyurethane and Petroleum based Polyurethane

바이오 폴리우레탄과 석유기반 폴리우레탄의 물성 비교

  • Lee, Dam Hee (School of Energy, Materials, Chemical Engineering, Korea University of Technology Education) ;
  • Lee, Kwan Hee (School of Energy, Materials, Chemical Engineering, Korea University of Technology Education) ;
  • Cho, Ur Ryong (School of Energy, Materials, Chemical Engineering, Korea University of Technology Education)
  • 이담희 (한국기술교육대학교 에너지신소재화학공학과) ;
  • 이관희 (한국기술교육대학교 에너지신소재화학공학과) ;
  • 조을룡 (한국기술교육대학교 에너지신소재화학공학과)
  • Received : 2018.06.09
  • Accepted : 2018.06.21
  • Published : 2018.06.30
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Abstract

The three polyols, poly(trimethylene ether) glycol 2000, poly(tetramethylene ether) glycol 2000 and poly (tetramethylene ether) glycol 1000 were reacted with 4,4-diphenylmethane diisocyanate to get polyurethanes. The synthesized three polyurethanes were measured by FT-IR, NMR for investigating chemical structures. Through two spectroscophical methods, It is found that urethane group exists in the three polymers. From the evaluation of hardness, glass transition temperature, tensile strength, and water resistance, the results showed increasing order of Poly(tetramethylene ether) glycol 1000 > Poly(trimethylene ether) glycol 2000 > Poly(tetramethylene ether) glycol 2000 with the content of hard segment in polyurethane.

Keywords

References

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