Title:
【発明の名称】6―アミノカプロニトリルとヘキサメチレンジアミンの同時製造方法
Document Type and Number:
Japanese Patent JP2001500136
Kind Code:
A
Abstract:
A process for coproduction of 6-aminocapronitrile and hexamethylenediamine starting from adiponitrile comprises(1) partially hydrogenating adiponitrile in the presence of a catalyst to obtain a mixture comprising 6-aminocapronitrile, hexamethylenediamine and adiponitrile,(2) removing 6-aminocapronitrile and hexamethylenediamine from the mixture,(3) adding to the portion comprising essentially adiponitrile from 0.01 to 10% by weight of an acid, based on adiponitrile, or an acidic ion exchanger and removing the adiponitrile from the mixture, and(4) recycling the adiponitrile into step (1).
Inventors:
Ruiken, Hermann
Voith, Guido
Basler, Peter
Rafinger, Alvin
Fischer, Rolf
Voith, Guido
Basler, Peter
Rafinger, Alvin
Fischer, Rolf
Application Number:
JP51318798A
Publication Date:
January 09, 2001
Filing Date:
August 21, 1997
Export Citation:
Assignee:
BASF Akchen Gezel Shaft
International Classes:
B01J27/187; C07B61/00; C07C209/48; C07C209/84; C07C211/12; C07C253/30; C07C253/34; C07C255/24; (IPC1-7): C07C253/30; B01J27/187; C07C209/48; C07C211/12; C07C255/24
Attorney, Agent or Firm:
Tajiro Taiji (1 person outside)