Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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A Study on the Adhesion Properties of the Polyurethane Resin and Polyketone Fabrics with MDI Treatment Conditions

MDI 처리 조건에 따른 폴리우레탄 수지와 폴리케톤 직물 사이의 접착특성에 관한 연구

  • Jo, Hani (Department of Organic Materials Engineering, Chungnam National University) ;
  • Yang, Jee-Woo (Department of Organic Materials Engineering, Chungnam National University) ;
  • Lim, Hyeon Soo (Department of Organic Materials Engineering, Chungnam National University) ;
  • Lee, Seung Goo (Department of Organic Materials Engineering, Chungnam National University)
  • 조하니 (충남대학교 공과대학 유기재료공학과) ;
  • 양지우 (충남대학교 공과대학 유기재료공학과) ;
  • 임현수 (충남대학교 공과대학 유기재료공학과) ;
  • 이승구 (충남대학교 공과대학 유기재료공학과)
  • Received : 2017.03.02
  • Accepted : 2017.04.17
  • Published : 2017.04.30
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Abstract

Recently developed POK fibers are eco-friendly and economical material compared with other industrial fibers. POK fabric can be applied to awning materials because of its excellent mechanical properties and chemical resistance. In this study, the adhesive strength between polyketone (POK) fabric and polyurethane (PU) resin was investigated by treatment with MDI (methylene diphenyl diisocyanate) which acts as a chain extender on the fabric surface. The MDI treatment conditions of the POK fabric to improve the adhesion of the PU resin were investigated in terms of the amount of materials used and the heat treatment temperature. The changes in chemical structure were analyzed by FTIR. The microstructures of MDI-treated fiber surfaces and fractured surface were observed by FE-SEM. The surface free energy was calculated using contact angles measured with a sessile drop method. The adhesive strength was also analyzed by the T-peel test. Conclusively, by treating the isocyanate groups on the surface of the POK fabric, the bond strength between the POK fabric and the PU resin was more than doubled.

Keywords

References

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