| 摘要 |
A process for the preparation of one or more ethanolamines (I), chosen from the group consisting of monoethanolamine, diethanolamine and triethanolamine, by conversion of one or more ethanolamines (II) different from the ethanolamine(s) (I), chosen from the group consisting of monoethanolamine, diethanolamine, triethanolamine, O,N,N-tris(2-hydroxyethyl)ethanol-N-(2-aminoethyl)-ethanolamine, N-(2-amine, hydroxy ethyl) piperazine, N-(2-hydroxyethyl)morpholine and N,N'-bis(2-hydroxyethyl)piperazine, where the ethanolamine(s) (II), optionally in the presence of ammonia, is/are treated with a strong base.
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