Process for the manufacture of polyalkylenepolyamines

Details Process for the manufacture of polyalkylenepolyamines Process for the manufacture of polyalkylenepolyamines

C - Chemistry, Metallurgy

10

M

402/122, 402/364

C10M 169/00 (2006.01) C08G 73/02 (2006.01)

Patent

CA 1105058

Abstract of the disclosure: A process for the manufacture, of polyalkylenepolyamines by reacting a primary or secondary ? with a compound of the formula Image (I) where X is -Cl, -Br or -OSO3H and R1 and R2 are H or satura- ted alkyl of 1 to 4 carbon atoms, and with at least the stoichiometric amount, based on the compound of the formula I, of an aqueous solution, of from 15 to 45 per cent strength, of an alkali metal hydroxide or alkaline earth metal hydrox- ide, at from 60 to 200°C, cooling the reaction mixture to a temperature at which 2 phases form, and separating off the upper phase, containing polyalkylenepolyamines. The rate of reaction can be increased by adding catalytic amounts of compounds which initiate the polymerization of alkyleneimines.

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