Process for preparation of acyclic ethyleneamines

Details Process for preparation of acyclic ethyleneamines Process for preparation of acyclic ethyleneamines

1990-07-11

1992-01-21

Cintins, Marianne

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

Organic compounds

Amino nitrogen containing

564479, 564512, C07C20968

Patent

active

050829726

ABSTRACT:
At least one of ammonia and ethylenediamine is reacted with monoethanolamine in the presence of a catalyst containing phosphoric acid or its condensate in order to prepare acyclic ethyleneamines, and the catalyst can be improved in performance and the life of the catalyst can be prolonged by feeding a phosphorus-containing material to a reaction system during the reaction. In addition, the catalyst having a deteriorated performance can be reactivated by adding the phosphorus-containing material to the catalyst.

REFERENCES:
patent: 2758097 (1986-08-01), Doherty et al.
patent: 3716545 (1973-02-01), Ripley
patent: 4394524 (1983-07-01), Ford et al.
patent: 4547591 (1985-10-01), Brennan et al.

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