한국응용과학기술학회지 (Journal of the Korean Applied Science and Technology)

  • 제24권4호
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  • Pages.319-331
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  • 2007
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  • 1225-9098(pISSN)
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  • 2288-1069(eISSN)
한국응용과학기술학회 (The Korean Society of Applied Science and Technology)
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난연도료용 인과 브롬 함유 변성폴리에스터의 합성 및 분석

Synthesis and Analysis of Modified Polyesters Containing Phosphorus and Bromine for Flame-Retardant Coatings

  • 박홍수 (명지대학교 공과대학 화학공학과) ;
  • 유규열 (명지대학교 공과대학 화학공학과) ;
  • 김지현 (명지대학교 공과대학 화학공학과) ;
  • 양인모 (한국건자재시험연구원) ;
  • 김승진 (한국건자재시험연구원) ;
  • 김영근 (한국건자재시험연구원) ;
  • 정충호 (요업기술원)
  • 발행 : 2007.12.31
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초록

The aim of this study is to enhance the flame retardancy by the synergism effect of phosphorus and bromine groups. The flame-retardant polyurethane coatings containing phosphorus and bromine compounds were synthesized. After synthesizing the intermediate products of tetramethylene bis(orthophosphate) (TBOP) and trimethylolpropane/2,3-dibromopropionic acid (2,3-DBP) [2,3-DBP-adduct], the condensation polymerization was performed with four different monomers of two intermediate products, 1,4-butanediol, and adipic acid to obtain four-components copolymer. In the condensation polymerization, the content of phosphorus was fixed to be 2wt%, and the content of 2,3-DBP that provides bromine component was varied to be 10, 20, and 30wt%, and we designated the prepared modified polyesters containing phosphorus and bromine as DTBA-10C, -20C, -30C. Average molecular weight and polydispersity index of the preparation of DTBAs were decreased with increasing 2,3-DBP content because of increase of hydroxyl group that retards reaction. We found that the thermal stability of the prepared DTBAs increased with bromine content at high temperature.

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