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

Wojciech Zatorski, Zbigniew K. Brzozowski, K. Lebek

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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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What this paper is about

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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Available 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.

Key concepts: Fire retardant, Flammability, Polyurethane, Materials science, Phosphorus, Blowing agent, Composite material, Metallurgy

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