한국응용과학기술학회지 (Journal of the Korean Applied Science and Technology)

  • 제25권2호
  • /
  • Pages.151-159
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  • 2008
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  • 1225-9098(pISSN)
  • /
  • 2288-1069(eISSN)
한국응용과학기술학회 (The Korean Society of Applied Science and Technology)
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트리포스포러스 변성폴리에스테르 함유 PU 난연도료의 도막물성

Physical Properties of Synthetic PU Flame-Retardant Coatings Containing Triphosphorus Modified Polyesters

  • 박홍수 (명지대학교 공과대학 화학공학과) ;
  • 강영구 (명지대학교 공과대학 화학공학과) ;
  • 김지현 (명지대학교 공과대학 화학공학과) ;
  • 함현식 (명지대학교 공과대학 화학공학과) ;
  • 근장현 (경기도 용인시 수지고등학교)
  • 발행 : 2008.06.30
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초록

The flame-retardant coatings were prepared by blending the synthesized triphosphorus modified polyester in the previous paper and hexamethylene diisocyanate-trimer and curing it at room temperature. The characterization of the films of the prepared coatings was performed. It was confirmed that no deterioration of physical properties of PU coatings was observed with the increasing phenylphosphonic acid (PPA) contents. Flame retardancy was tested by a $45^{\circ}$ Meckel burner method and LOI method. With the $45^{\circ}$ Meckel burner method, CATBTP-20C and CATBTP-30C that contain 20 wt% and 30 wt% of PPA, flame retarding component, respectively, showed the first grade flame retardancy with $2.8{\sim}3.9\;cm$ of char length ; and, with LOI method, they exhibited a good flame retardancy as a range of $30{\sim}32%$ of combustion values.

키워드

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