Reduction of discoloration in flame retarded polyurethane foams

C - Chemistry – Metallurgy – 08 – K

Patent

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403/17, 6/221

C08K 5/00 (2006.01) C08J 9/00 (2006.01) C08K 5/13 (2006.01) C08K 5/18 (2006.01) C08K 5/521 (2006.01) C08L 75/04 (2006.01)

Patent

CA 1318080

AST 45362 REDUCTION OF DISCOLORATION IN FLAME RETARDED POLYURETHANE FOAMS ABSTRACT OF THE DISCLOSURE Polyurethane foams containing halogenated phosphorus- based flame retardants are protected from scorching by the incorporation therein of an anti-scorch package which comprises a diaryl arylenediamine, the reaction product of a diarylamine and a lower alkyl ketone, and a hindered phenol. * * * * *

594996

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