TERTIARY AMINE-CONTAINING POLYOLS PREPARED IN A MANNICH CONDENSATION REACTION USING A MIXTURE OF ALKANOLAMINES

TERTIARY AMINE-CONTAINING POLYOLS PREPARED IN A MANNICH CONDENSATION REACTION USING A MIXTURE OF ALKANOLAMINES

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...

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Bibliographische Detailangaben
Hauptverfasser: MARUGG, JOHN E, GANSOW, MICHAEL A. P, THOEN, JOHAN A
Format: Patent
Sprache:eng ; fre
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC CHEMISTRY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung: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.