Method for Separating Ammonia and Water From Mixtures, Arising During The Production of Polyamides
In a process for distillatively removing ammonia and water from mixtures obtained in the preparation of polyamides which comprise a lactam and/or diamines, and, if appropriate, an aminonitrile and/or dinitrile, and also a cyclopentanone impurity in two stages: 1) the mixture is distilled at from 11...
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Main Authors | , , , , , |
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Format | Patent |
Language | English |
Published |
18.10.2007
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Subjects | |
Online Access | Get full text |
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