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公开(公告)号：ID25867A
公开(公告)日：2000-11-09
申请号：ID20001645
申请日：1998-12-16
Applicant: BASF AG
Inventor： LEHMANN MARTIN , HILDEBRANDT VOLKER , THIELE HEINO , ESPIG STEFAN
Abstract: The preparation of polyamides, their oligomers or mixtures thereof, where appropriate with other reaction products, takes place by reacting amino nitrites (A) and, where appropriate, other polyamide-forming monomers and/or oligomers with water (D) in a reactive distillation, wherein the reaction product (P) is discharged from the bottom of the reactive distillation apparatus, and ammonia (N) which is produced and, where appropriate, other low molecular weight compounds which are produced, and water, are taken off overhead.
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