Tertiary amine-containing polyols prepared in a mannich...

Details Tertiary amine-containing polyols prepared in a mannich... Tertiary amine-containing polyols prepared in a mannich...

C - Chemistry, Metallurgy

08

G

403/46, 260/599.

C08G 18/28 (2006.01) C07C 217/58 (2006.01) C08G 18/50 (2006.01)

Patent

CA 1336440

Mannich polyols of low viscosity and reduced reactivity are prepared by condensing a phenolic compound with formaldehyde and a mixture of diethanolamine and at least one other alkanol amine. The condensation product is the alkoxylated to form a polyol which is particularly useful in preparing rigid polyurethane foam. The Mannich polyols of this invention are characterized by having surprisingly lower viscosities and reactivities as compared to Mannich polyols which are prepared using either diethanolamine or the other alkanolamine alone in the condensation reaction.

606676

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