Production of polyurethane foam of reduced tendency to form...

C - Chemistry – Metallurgy – 08 – K

Patent

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C08K 5/07 (2006.01) C08J 9/00 (2006.01) C08L 75/04 (2006.01)

Patent

CA 1141096

ABSTRACT OF THE DISCLOSURE A method for producing a flexible polyurethane foam having reduced tendency to form burning embers when it is ignited and burned is provided by incorporating a ketone or benzaldehyde into the reaction mixture for poly- urethane formation before foaming, and preferably also incorporating a flame retardant into the reaction mixture before foaming in order to give the foam increased flame retardance.

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