Tertiary amine-containing polyols prepared in a Mannich condensa

Details Tertiary amine-containing polyols prepared in a Mannich condensa Tertiary amine-containing polyols prepared in a Mannich condensa

1989-06-29

1992-06-09

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 77, 528 79, 528153, 528162, C08G 1828

Patent

active

051208156

ABSTRACT:
An improved process for preparing Mannich polyols is disclosed. The process involves capping a Mannich condensate of a phenolic compound or an amino-substituted s-triazine with a small quantity of an alkylene oxide in the absence of an alkylene oxide polymerization catalyst, prior to heating the condensate to elevated temperatures at which polycondensates are formed. The capped Mannich condensate is then alkoxylated to form the desired polyol.

REFERENCES:
patent: 4525488 (1985-06-01), Cuscurida et al.
patent: 4883826 (1989-11-01), Marugg et al.
patent: 4939182 (1990-07-01), Marugg et al.

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