The Preparation and the Property of Halogen-free Phosphorous Flame Retardant Epoxy Resin
Fengshi Tian
Abstract
Fengshi Tian
Abstract
The effect of flame retardant composed of bisphenol-A bis(diphenyl) phosphate ester(BDP) and ammonium polyphosphate or nano-SiO2 on epoxy resin is investigated by limiting oxygen index(LOI),horizontal and vertical firing and cone calorimetry.The results indicate that BDP/SiO2 is more effective on the flame retardancy of epoxy resin than BDP/APP.The flame retardant mechanism is deduced by analyzing the thermal stability and the morphology of the residue of the flame retarded EP.
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The effect of flame retardant composed of bisphenol-A bis(diphenyl) phosphate ester(BDP) and ammonium polyphosphate or nano-SiO2 on epoxy resin is investigated by limiting oxygen index(LOI),horizontal and vertical firing and cone calorimetry.The results indicate that BDP/SiO2 is more effective on the flame retardancy of epoxy resin than BDP/APP.The flame retardant mechanism is deduced by analyzing the thermal stability and the morphology of the residue of the flame retarded EP.
Key concepts: Fire retardant, Epoxy, Limiting oxygen index, Ammonium polyphosphate, Thermal stability, Bisphenol A, Materials science, Calorimetry