Published : 2022-09-01

Production of PUR and PUR-PIR foams with red phosphorus as a flame retardant

Abstract

Two kinds of foams: polyurethane (PUR) and polyurethane-polyisocyanurate (PUR-PIR) ones with red phosphorus as a flame retardant were prepared. As a blowing agent ozon friendly n-pentane with small amount of water was applied. The PUR-PIR foams showed better fire-resistance in comparison with PUR foams without deterioration of functional properties. Effect of synergism in lowering of flammability was obtained via the use of two chemical structures inhibiting the flammability: red phosphorus and isocyanurate rings.


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Zatorski, W., Brzozowski, Z. K., & Łebek, K. (2022). Production of PUR and PUR-PIR foams with red phosphorus as a flame retardant. Polimery, 50(9), 686–689. Retrieved from https://polimery.ichp.vot.pl/index.php/p/article/view/1678