Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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A Study of Chain extension and Synthesis in Waterborne Polyurethane-Epoxy Hybrid Resin

수용성 하이브리드수지(폴리우레탄-에폭시)의 합성 및 사슬 연장에 관한 연구

  • Lee, Joo-Youb (Department of Chemical Engineering, Daejin University) ;
  • Kim, Ki-Jun (Department of Chemical Engineering, Daejin University)
  • 이주엽 (대진대학교 공과대학 화학공학과) ;
  • 김기준 (대진대학교 공과대학 화학공학과)
  • Received : 2011.02.22
  • Accepted : 2011.03.16
  • Published : 2011.03.30
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Abstract

In this study, we experimented that how influence chain extension to waterborne urethane-epoxy hybrid resin for leather garment coatings. First of all, We had analyzed datas by FT-IR, SEM and machanical properties. By instruments analysis measurement we confirmed that synthesis of epoxy and hybrid resin. In this experiment we knew that polyurethane-epoxy hybrid resin have 5 grades of solvent resistance. Tensile strength measured in the polyurethane-epoxy resin(EDA 5.37g, 2.386 $kg_f/mm^2$) had the most strong strength.. Also polyurethane-epoxy hybrid resin had better result(EDA 5.37g. 37.4 mg. loss) than other hybrid resins. As hight proportion of EDA in hybid resin, we obtained low elongation and low flexibility. In this result, chain extension of waterborne polyurethane-epoxy hybrid resin showed that how effect in leather coating by ratio of EDA.

Keywords

References

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