Combustion modified polyurethane foam

C - Chemistry – Metallurgy – 08 – G

Patent

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Details

C08G 18/48 (2006.01) C08G 18/38 (2006.01) C08J 9/12 (2006.01) C08J 9/30 (2006.01)

Patent

CA 2476912

Disclosed is a polyurethane foam comprising less than about 10 weight percent melamine and less than about 10 weight percent of one or more additional flame retardant compounds, both based on the total weight of the foam. In an embodiment, the weight ratio of melamine to the additional flame retardant compounds is in the range of from about 0.5 to about 2Ø The foam is a reaction product of one or more polyols, one or more isocyanates, one or more blowing agents, and one or more catalysts. In an embodiment, the foam has a density of within the range of from about 0.9 to about 4.25 lb/ ft3, a 25% IFD in the range of from about 7 to about 150 lb/50in2, and an air flow in the range of about 2.0 to about 5.5 ft3/minute. In an embodiment, the melamine is ground melamine.

L'invention concerne une mousse de polyuréthanne comprenant moins d'environ 10 % en poids de mélamine et moins d'environ 10 % en poids d'un ou de plusieurs composés ignifuges additionnels, sur la base du poids total de la mousse. Dans un mode de réalisation, le rapport en poids entre la mélamine et les composés ignifuges additionnels est compris entre environ 0,5 et environ 2,0. Cette mousse est un produit de réaction entre un ou plusieurs polyols, un ou plusieurs isocyanates, un ou plusieurs agents gonflants et un ou plusieurs catalyseurs. Dans un mode de réalisation, la mousse présente une densité comprise entre environ 0,9 et environ 4,25 livres par pied cube, un fléchissement par force d'indentation à 25 % compris entre environ 7 et environ 150 livres par 50 pouces carré, ainsi qu'un débit d'air compris entre 2,0 et environ 5,5 pieds cube par minute.

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