Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Synthesis of Modified Polyesters Containing Triphosphorus for Flame-Retardant Coatings

난연도료용 트리포스포러스 함유 변성폴리에스테르의 합성

  • Park, Hong-Soo (Department of Chemical Engineering, Myongji University) ;
  • Yoo, Gyu-Yeol (Department of Chemical Engineering, Myongji University) ;
  • Kim, Ji-Hyun (Department of Chemical Engineering, Myongji University) ;
  • Kim, Young-Geun (Korea Institute of Construction Materials)
  • 박홍수 (명지대학교 공과대학 화학공학과) ;
  • 유규열 (명지대학교 공과대학 화학공학과) ;
  • 김지현 (명지대학교 공과대학 화학공학과) ;
  • 김영근 (한국건자재시험연구원)
  • Published : 2007.09.30
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Abstract

Three phosphorus functional groups were introduced in one structural unit of polymer backbone to enhance the flame retardancy of PU coatings. In the first step, we synthesized tetramethylene bis(orthophosphate) (TBOP) that contained two phosphorus functional groups in one structural unit. In the next step, we synthesized modified polyesters (ATBTP-10C, -20C, -30C) that contained triphosphorus group using TBOP, 1,4-butanediol, trimethylolpropane, adipic acid, and another functional monomer, phenylphosphonic acid (PPA). The amount of PPA in ATBTPs was adjusted from 10 wt% to 30 wt%. The structure and characteristics of ATBTPs were examined using FT-IR, NMR, GPC, and TGA analysis. From the thermo-behavior test of diphosphorus modified polyester (ATBT) and ATBTPs, the afterglow of ATBT, ATBTP-10C, ATBTP-20C, and ATBTP-30C were 24.7, 27.1, 29.0, and 31.7%, respectively. It was found from this result that the afterglow increased with the amount of PPA component.

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References

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