Water-insoluble nitrogen-containing polyols

Details Water-insoluble nitrogen-containing polyols Water-insoluble nitrogen-containing polyols

1976-01-28

1979-01-30

Hines, Robert V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

521167, C07C 8728

Patent

active

041372654

ABSTRACT:
A group of water-insoluble nitrogen-containing polyols is provided which are capable of self-catalyzed reaction with organic polyisocyanates to form rigid polyurethane foams of excellent dimensional strength. The polyols of this group are prepared by reacting from 2 to 3 mols of propylene oxide with one mol of the Mannich reaction product of a mol of phenol or nonylphenol with one or two mols of diethanolamine.

REFERENCES:
patent: 2998452 (1961-08-01), Bruton et al.
patent: 3297597 (1967-01-01), Edwards et al.

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