Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Study on Properties of Waterborne Polyurethane-Epoxy Hybrid Resin for Leather Garment Coationgs

의상 피혁 가공용 수용성 폴리우레탄-에폭시 하이브리드 수지의 합성 및 물성에 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 : 2010.07.14
  • Accepted : 2010.09.13
  • Published : 2010.09.30
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Abstract

In this study, we experimented that how to synthesis waterborne urethane-epoxy hybrid resin for leather garment coatings. First of all, We had analyzed datas by FT-IR, SEM and TGA for the machanical properties. By instruments analysis measurement we confirmed that synthesis of urethane and epoxy. In this experiment we knew that polyurethane and urethane-epoxy hybrid resin have 4~5 grades of solvent resistance. Tensile strength measured in the urethane-epoxy resin(epoxy 12%, 2.033$kg_f/mm^2$) had the most strong strength than polyurethane(1.833 $kg_f/mm^2$) emulsion samples. Also urethane-epoxy hybrid resin had better result than polyurethane in acid resistance and abrasion test. As hight proportion of epoxy in hybid resin, we obtained low elongation and low flexibility. In this result, the mechanical properties of waterborne polyurethane-epoxy hybrid resin showed that how effect in leather coating by ratio of epoxy emulsion.

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