Hydroxyalkyl bis(dialkylaminoalkyl)amine manufacture

Details Hydroxyalkyl bis(dialkylaminoalkyl)amine manufacture Hydroxyalkyl bis(dialkylaminoalkyl)amine manufacture

1983-07-28

1984-11-13

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C07C 8500, C07C 8502, C07C 8518

Patent

active

044827431

ABSTRACT:
A process for manufacturing hydroxyalkyl bis(dialkylaminoalkyl)amine is disclosed wherein dialkylaminopropylaminopropionitrile is separated from a mixture of dialkylaminopropylaminopropionitrile and bis(dialkylaminoalkyl)amine by adding to the mixture under alkoxylation conditions alkylene oxide sufficient to react with substantially all of the bis(alkylaminoalkyl)amine and then separating the reacted materials by distillation. This process yields very pure hydroxyalkyl bis(dialkylaminoalkyl)amine which is useful as a urethane catalyst.

REFERENCES:
patent: 2046720 (1936-07-01), Bottoms
patent: 3200154 (1965-08-01), Kirkpatrick et al.
patent: 3364262 (1968-01-01), Cyba
patent: 3723530 (1973-03-01), Goetze et al.
patent: 3761523 (1973-09-01), Reid et al.

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