Effect of Halogen-phosphours Flame Retardant Content on Properties of Rigid Polyurethane Foam

인-할로겐계 난연제가 경질폴리우레탄 폼의 물성에 미치는 영향

  • Kim, Chang Bum (Department of Chemical Engineering, Kyonggi University) ;
  • Kim, Sang Bum (Department of Chemical Engineering, Kyonggi University)
  • 김창범 (경기대학교 화학공학과) ;
  • 김상범 (경기대학교 화학공학과)
  • Published : 2013.02.10

Abstract

In this study, the effect of halogen-phosphorus flame retardant on the flame retardancy and the mechanical properties of the rigid polyurethane foam (PUF) were studied. The reduced compressive strength and glass transition temperature of PUF decreased as contents of the flame retardant increased. After aging, the reduced compressive strength and glass transition temperature of PUF increased due to the reaction of unreacted isocyanate. The cell morphology effect of these flame retardants was also investigated using scanning electron microscope. The results of TCEP added to PUF showed an unstable and uneven cell morphology, leading to the increase of in thermal conductivity. The flame retardancy of vacuum aged PUF decreased compared to that of fresh PUF.

Keywords

flame retardant;polyurethane foam;thermal conductivity;TCEP;TCPP

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