Stabilization of halogenated polyols for polyurethane...

Details Stabilization of halogenated polyols for polyurethane... Stabilization of halogenated polyols for polyurethane...

C - Chemistry, Metallurgy

08

G

400/103

C08G 18/28 (2006.01) C08G 18/04 (2006.01) C08G 18/18 (2006.01) C08G 18/50 (2006.01) C08J 9/00 (2006.01)

Patent

CA 1141069

ABSTRACT OF THE DISCLOSURE The storage stability of otherwise unstable premix compositions for flame retardant rigid polyurethane foams con- taining in the premix a chlorinated polyether polyol and a tertiary amine catalyst, is enhanced by incorporation into the premix minor amount of a vinyl monomer. The preferred vinyl monomers employed are condensation products of acrylic or methacrylic acid with alcohols or amines.

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