Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Preparation of Reactive Flame Retardant Coatings Containing Phosphorus;I. Synthesis of Pyrophosphoric Modified Polyesters

반응형 인계 난연도료의 제조;I.피로포스포릭 변성폴리에스테르의 합성

  • 정동진 (명지대학교 공과대학 화학공학과) ;
  • 정충호 (명지대학교 공과대학 화학공학과) ;
  • 박홍수 (명지대학교 공과대학 화학공학과) ;
  • 김태옥 (명지대학교 공과대학 화학공학과) ;
  • 박신자 ((주)알엔씨 기술연구소)
  • Published : 2003.03.31
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Abstract

An intermediate, tetramethylene bis (orthophosphate), was prepared by the esterification of pyrophosphoric acid and l,4-butanediol. Then pyrophosphoric-containing modified polyesters (ATTBs) were synthesized by polycondensation of tetramethylene bis(orthophosphate), trimethylolpropane, adipic acid, and l,4-butanediol. The content of l,4-butanediol was varied from 10 to 20wt% for the reaction. The increase of the amount of l,4-butanediol in the synthesis of ATTBs resulted in increase in average molecular weight and decrease in kinematic viscosity owing to the excellent flowability and reactivity of l,4-butanediol.

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References

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