C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
403/16, 260/233,
C07F 9/145 (2006.01) C07F 9/08 (2006.01) C08G 18/48 (2006.01) C08G 18/50 (2006.01) C08G 65/26 (2006.01)
Patent
CA 1048021
ABSTRACT OF THE DISCLOSURE An oxyalkylated product useful for making polyurethane foams is prepared by reacting an alkylene oxide with a heated mixture of a phenol and a non-phenolic active hydrogen compound, at least one of which can be halogenated, in the presence of a catalyst complex of a phenol and an iron or aluminum substance. The mixture can also include a neutral phosphorus compound and/or acid anhydrides to enhance flame retardant properties. Option- ally, also, the oxyalkylation reaction can be terminated by adding a tri (lower alkyl) amine and alkylene oxide to react with residual phenolic hydrogen in the mixture.
213896
Austin Arthur L.
Hartman Robert J.
Levis William W. (jr.)
Pizzini Louis C.
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