Preparation of polyalkylene polyamines from ammonia,...

Details Preparation of polyalkylene polyamines from ammonia,... Preparation of polyalkylene polyamines from ammonia,...

C - Chemistry, Metallurgy

08

G

260/607.2

C08G 73/02 (2006.01)

Patent

CA 1169879

ABSTRACT A process for preparing noncyclic polyalkylene polyamine compounds is disclosed wherein ammonia, an alkylene polyamine compound and an alkanolamine compound are reacted in the presence of an effective amount of a phosphorus-containing substance or a salt of a sulfur- containing substance or its corresponding acid at a temperature from about 200 to 350°C under a pressure sufficient to maintain the reaction mixture essentially in liquid phase. The polyalkylene polyamines thus formed are recovered from the reaction mixture.

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