Process for the production of etheramine alkoxylates

Details Process for the production of etheramine alkoxylates Process for the production of etheramine alkoxylates

1999-04-30

2000-05-09

Barts, Samuel

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

Organic compounds

Amino nitrogen containing

564399, 564424, 564475, 564504, C07C21103

Patent

active

060606258

ABSTRACT:
A process for the alkoxylation of a polyetheramine to form an etheramine alkoxylate. In the process, a polyetheramine is reacted with an alkylene oxide in the presence of an alcohol to form the etheramine alkoxylate. The alcohol serves as a catalyst to allow the reaction proceed at a heightened temperature as compared to the reaction in the absence of alcohol, while at the same time limiting the amount of glycol by-product production which would otherwise typically form when higher polyetheramines are to be alkoxylated. The alcohol may be, for instance, ethanol or methanol.

REFERENCES:
patent: 3654370 (1972-04-01), Yeakey
patent: 4391610 (1983-07-01), Vipond et al.
patent: 5352835 (1994-10-01), Dai, et al.
patent: 5616811 (1997-04-01), Sung et al.
Patent Specification for 1588079 Filed May 24, 1978.

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