Journal of Adhesion and Interface (접착 및 계면)

The Society of Adhesion and Interface, Korea (한국접착및계면학회)
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Synthesis and Characterization of Waterborne Polyurethane for Water Resistance

내수성 향상을 위한 수성 폴리우레탄의 합성 및 특성

  • Choi, Min Ji (Korea Institute of Footwear and Leather Technology (KIFLT)) ;
  • Jeong, Boo Young (Korea Institute of Footwear and Leather Technology (KIFLT)) ;
  • Cheon, Jung Mi (Korea Institute of Footwear and Leather Technology (KIFLT)) ;
  • Park, Kuenbyeol (Korea Institute of Footwear and Leather Technology (KIFLT)) ;
  • Chun, Jae Hwan (Korea Institute of Footwear and Leather Technology (KIFLT))
  • 최민지 (한국신발피혁연구원 고분자표면연구실) ;
  • 정부영 (한국신발피혁연구원 고분자표면연구실) ;
  • 천정미 (한국신발피혁연구원 고분자표면연구실) ;
  • 박큰별 (한국신발피혁연구원 고분자표면연구실) ;
  • 천제환 (한국신발피혁연구원 고분자표면연구실)
  • Received : 2017.02.14
  • Accepted : 2017.03.03
  • Published : 2017.03.30
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Abstract

In this study, waterborne polyurethane was synthesized with polyester polyol, poly(propylene carbonate) (PPC), 4,4-dicyclohexylmethane diisocyanate ($H_{12}MDI$) and dimethylol propionic acid (DMPA) to improve the water resistance. The properties of the synthesized waterborne polyurethane using poly(propylene carbonate) (WPUP) was evaluated through FT-IR, GPC, DSC and UTM. The mechanical properties were increased with the increase in the amount of PPC. When the ratio of polyester polyol to poly(propylene carbonate) is 9:1, the highest water resistance was showed.

본 연구에서는 polyester polyol을 사용한 수성 폴리우레탄의 내수성을 향상시키기 위해 polyester polyol, poly(propylene carbonate) (PPC), 4,4-dicyclohexylmethane diisocyanate ($H_{12}MDI$), dimethylol propionic acid (DMPA)를 사용하여 수성 폴리우레탄을 합성하였다. PPC를 사용하여 합성된 수성 폴리우레탄의 물성은 FT-IR, GPC, DSC 및 UTM 등을 통해 평가하였다. PPC의 함량이 증가함에 따라 합성된 수성 폴리우레탄의 기계적 물성은 증가하였으며 polyester polyol과 PPC의 비가 9 : 1일 때 가장 높은 값의 내수성을 나타내었다.

Keywords

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