| 摘要 |
1355119 Ether-amine preparation HENKEL & CIE GmbH 30 July 1971 [31 July 1970] 35857/71 Heading C2C Ether-amines and polyether-amines are prepared from secondary alcohols, which may comprise homologous mixtures obtained by the oxidation of paraffins, by a process comprising (1) alkoxylation in the presence of Lewis acids or salts thereof with alkylene oxides containing 2-4 C atoms, the molar ratio of alcohols to alkylene oxides being from 1 : 1 to 1 : 10; (2) sulphation of the alkoxylation mixtures and subsequent neutralization and (3) aminolysis of the neutralized sulphates. The catalysts for the alkoxylation step (1) are preferably BF 3 , SbCl 5 or tertiary oxonium salts, carboxonium salts or carbonium salts thereof. The secondary alcohols used as starting material preferably contain 3 to 24 C atoms. The aminolysis may be carried out with, for example, ammonia, aliphatic amines with 1-4 C atoms in the alkyl residues or primary α,#-diamines with 2-12 C atoms. In the examples, the alkoxylation product of 2 moles ethylene oxide and 1 mole secondary C 14 alcohols is sulphated and aminated with ammonia, methylamine, dimethylamine, propylamine and ethylenediamine and the alkoxylation products derived from octanol-2, C 14-15 alcohols, C 11-18 alcohols and cyclododecanol respectively are sulphated and then reacted with dimethylamine. The products of the process may be used as bonding substances for roadmaking materials, emulsifiers in polymerization processes and additives for lubricants. |
