Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

Preparation and Curing Behavior of Polyurethane Coatings by Polyester/Polylactone Polyl and TDI-Isocyanurate

폴리에스테르/폴리락톤 폴리올과 TDI-Isocyanurate에 의한 폴리우레탄 도료의 제조 및 경화거동

  • 박홍수 (명지대학교 공과대학 세라믹화학공학부) ;
  • 최용호 (명지대학교 공과대학 세라믹화학공학부) ;
  • 김태옥 (명지대학교 공과대학 세라믹화학공학부) ;
  • 신판우 (동양공업전문대학 공업화학과)
  • Published : 1999.06.01

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Abstract

Polyester/polylactone polyols with of without benzoic acid unit were synthesized by polycondensation of polycaprolactone 0201, trimethylolpropane, adipic acid, and benzoic acid. Then, two-packaged polyurethane coatings with three dimensional network structure were prepared by curing the produced polyols with TDI-isocyanurate at ambient temperature. Various tests on the coating properties of the prepared coatings showed a remarkable improvement in the physical properties. The introduction of polycaprolactone 0201 as diol in the polyurethane coatings improved the cross hatch adhesion, flexibility, impact resistance, and hydrocarbon resistance of coatings. Changes in the drying and curing behavior with the contents of benzoic acid suggest that they have reasonable coating properties, such as drying time of 2 to 4 hours and pot-life time of 18 to 39 hours.

Keywords

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