Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Synthesis of Benzoic Acid Modified Polyester Containing Phosphorus for Flame-Retardant Coatings

난연도료용 인 함유 벤조산 변성폴리에스테르의 합성

  • Chung, Dong-Jin (Department of Chemical Engineering, Myongji University) ;
  • Lee, Ae-Ri (Department of Chemical Engineering, Myongji University) ;
  • You, Hyuk-Jae (Department of Chemical Engineering, Myongji University) ;
  • Jung, Choong-Ho (Department of Chemical Engineering, Myongji University) ;
  • Park, Hong-Soo (Department of Chemical Engineering, Myongji University)
  • 정동진 (명지대학교 공과대학 화학공학과) ;
  • 이애리 (명지대학교 공과대학 화학공학과) ;
  • 유혁재 (명지대학교 공과대학 화학공학과) ;
  • 정충호 (명지대학교 공과대학 화학공학과) ;
  • 박홍수 (명지대학교 공과대학 화학공학과)
  • Published : 2004.03.31
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Abstract

Reaction intermediates PCP/BZA (PBI) and tetramethylene bis(orthophosphate) (TBOP) wer synthesized from polycaprolactone (PCP) and benzoic acid (BZA) and from pyrophosphoric acid and 1,4-butanediol, respectively. Benzoic acid modified polyesters containing phosphorus (APTB-5, -10, -15) were synthesized by polycondensation of the prepared PBI (containing 5, 10, 15wt% of benzoic acid), TBOP, adipic acid, and 1,4-butanediol. The structure and characteristics of APTBs were examined using FT-IR, NMR, GPC, and TGA analysis. The increase of the amount of BZA in the synthesis of APTBs resulted in decrease in average molecular weight and kinematic viscosity. From the TGA analysis of APTBs, it was found that the afterglow decreased with the amount of BZA content at the high temperatures.

Keywords

References

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