Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Synthesis and Properties of Eco-friendly Polyurethane Adhesive without Solvent : Effect of DPE-41, TDI, Initiator and Plasticizer Content

용제를 사용하지 않는 친환경 폴리우레탄 접착제의 합성 및 물성 : DPE-41, TDI, 개시제 및 가소제량의 영향

  • Ryu, Ki-Jung (Dept. of Polymer Engineering, Pukyong National University) ;
  • Park, Chan-Young (Dept. of Polymer Engineering, Pukyong National University)
  • 류기정 (부경대학교 공과대학 고분자공학과) ;
  • 박찬영 (부경대학교 공과대학 고분자공학과)
  • Received : 2014.09.29
  • Accepted : 2014.11.13
  • Published : 2014.11.28
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Abstract

In this experiment no solvent based polyurethane(PU) adhesives were prepared with the polyol, isocyanate, dioctyl phthalate(DOP), 2-hydroxyethylacrylate(2-HEA) and other acrylate monomers. The softenening point of the PU adhesives measured by Ring & Ball method were examined in the present study. And adhesion strength and mechanical properties such as tensile strength and 100% modulus of the PU adhesives were evaluated by Universal Test Machine. The experimental results showed that increase of both DPE-41, benzoylperoxide(BPO) and toluene diisocyanate(TDI) increased softenening point, adhesion strength, tensile strength and 100% modulus. However as DOP content increased sofenening point, adhesion strength decreased and tensile strength, 100% modulus also decreased.

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References

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