Polyurethane foams having low scorch discoloration

Details Polyurethane foams having low scorch discoloration Polyurethane foams having low scorch discoloration

C - Chemistry, Metallurgy

08

L

403/18

C08L 75/04 (2006.01) C08J 9/00 (2006.01) C08K 5/52 (2006.01) C08K 5/524 (2006.01)

Patent

CA 1234250

POLYURETHANE FOAMS HAVING LOW SCORCH DISCOLORATION ABSTRACT OF THE INVENTION Polyurethane foams prepared with halogenated phos- phoric acid flame retardant have low scorch and surface discoloration when prepared in the presence of a compo- sition containing phenothiazine, 4,4'-thio-bis-(6- tertiary butyl meta cresol), and organophosphite.

462539

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