Polyurethanes using monocarboxylic acid salts of...

Details Polyurethanes using monocarboxylic acid salts of... Polyurethanes using monocarboxylic acid salts of...

C - Chemistry, Metallurgy

08

G

402/131, 402/164

C08G 18/18 (2006.01)

Patent

CA 1215492

POLYURETHANES USING MONOCARBOXYLIC ACID SALTS OF BIS(AMINOETHYL)ETHER DERIVATIVES AS CATALYSTS (D#80,254-F) ABSTRACT OF THE DISCLOSURE The alkylene oxide adduct of bis(aminoethyl)ether may be reacted with formaldehyde in the presence of hydrogen and a hydrogenation-dehydration catalyst to produce com- pounds of the formula Image where R is hydrogen or lower alkyl of 1 to 4 carbon atoms and R'' is methyl or Image where R is as above. Monocarboxylic acid salts of these compounds show unexpectedly high efficiency as polyurethane catalysts. Smaller amounts of this amine are required to produce foams having the same reaction profile as foams made with prior art amine salt catalysts.

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