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    52.
    发明专利
    未知

    公开(公告)号：DE10253095A1

    公开(公告)日：2004-06-17

    申请号：DE10253095

    申请日：2002-11-13

    Applicant: BASF AG

    Inventor： FISCHER ROLF-HARTMUTH ,  LUYKEN HERMANN ,  ANSMANN ANDREAS ,  BASLER PETER ,  BENISCH CHRISTOPH ,  MAIXNER STEFAN ,  MELDER JOHANN-PETER

    IPC: C07D201/08 ,  C07D201/16 ,  C07D223/10

    Abstract: A process for removing high boilers from crude caprolactam which comprises high boilers, caprolactam and in some cases low boilers, and which has been obtained by a) reacting 6-aminocapronitrile with water to give a reaction mixture b) removing ammonia and unconverted water from the reaction mixture to obtain crude caprolactam, which comprises c) feeding the crude caprolactam to a distillation apparatus to obtain a first substream via the top as a product and a second substream via the bottom, by setting the pressure in the distillation in such a way that the bottom temperature does not go below 170° C., and adjusting the second substream in such a way that the caprolactam content of the second substream is not less than 10% by weight, based on the entire second substream.

    54.
    发明专利
    未知

    公开(公告)号：AT251112T

    公开(公告)日：2003-10-15

    申请号：AT99934555

    申请日：1999-07-02

    Applicant: BASF AG

    Inventor： LUYKEN HERMANN ,  OHLBACH FRANK ,  ANSMANN ANDREAS ,  BASSLER PETER ,  FISCHER ROLF ,  MELDER JOHANN-PETER ,  MERGER MARTIN ,  REHFINGER ALWIN ,  VOIT GUIDO ,  ACHHAMMER GUENTHER

    IPC: C07B61/00 ,  C07C209/48 ,  C07C209/84 ,  C07C209/86 ,  C07C211/12 ,  C07C253/30 ,  C07C253/34 ,  C07C255/24

    Abstract: The invention relates to a method for simultaneous production of 6-aminocapronitrile and hexamethylenediamine from adipodinitrile, comprising the following steps: a) hydrogenating adipodinitrile in the presence of a catalyst containing an element of the VIII subgroup thereby obtaining a mixture containing 6-aminocapronitrile, hexamethylenediamine, adipodinitrile and high boilers; b) distillative separation of hexamethylenediamine from the mixture containing 6-aminocapronitrile, hexamethylenediamine, adipodinitrile and high boilers or c1) distillative separating 6-aminocapronitrile and subsequently d1) distillative separation of adipodinitrile or c2) simultaneous distillative separation of 6-aminocapronitrile and adipodinitrile into separate fractions. The invention is characterized in that temperatures in the bottoms of the column in steps d1) or c2) are under 185 DEG C. The adipodinitrile thus obtained contains less impurities than for instance 1-amino-2-cyanocyclopentenes.

    PROCEDIMIENTO PARA LA SEPARACION DE 6-AMINOCAPRONITRILO A PARTIR DE MEZCLAS QUE CONTIENEN 6-AMINOCAPRONITRILO, ADIPODINITRILO Y HEXAMETILENDIAMINA.
    59.
    发明专利
    PROCEDIMIENTO PARA LA SEPARACION DE 6-AMINOCAPRONITRILO A PARTIR DE MEZCLAS QUE CONTIENEN 6-AMINOCAPRONITRILO, ADIPODINITRILO Y HEXAMETILENDIAMINA. 未知

    公开(公告)号：MXPA02011828A

    公开(公告)日：2003-04-10

    申请号：MXPA02011828

    申请日：2001-06-13

    Applicant: BASF AG

    Inventor： ANSMANN ANDREAS

    IPC: C07C209/48 ,  C07C253/34 ,  C07C255/03 ,  C07C255/24

    Abstract: a) separando la hexametilendiamina a partir do la meczla, obteniendose una mezcla (I), que tiene un contenido de hexametilendiamina de menos de 1% en peso. b) separando 6-aminocapronitrilo parcial o completamente de la mezcla (I), obteniendose una mezcla (II), cuyo contenido en sustancias, que bajo condiciones de destilacion tienen un punto de ebullicion por encima de el del 6-aminocapronitrilo y que no pueden ser generados por reacciones de dimerizacion bajo esfuerzo termico del 6-aminocapronitrilo, es menor que 1% en peso, y c) separando a partir de la mezcla (II) la hexametilendiamina parcial o completamente presente, obteniendose una mezcla (IV), cuyo contenido de hexametilendiamina es mas alto que en la mezcla (II) y una mezcla (V), cuyo contenido de hexametilendiamina es mas bajo que en la mezcla (II).

    60.
    发明专利
    未知

    公开(公告)号：BR0110452A

    公开(公告)日：2003-03-11

    申请号：BR0110452

    申请日：2001-04-30

    Applicant: BASF AG

    Inventor： OHLBACH FRANK ,  WINTERLING HELMUT ,  ANSMANN ANDREAS ,  FISCHER ROLF-HARTMUTH ,  MELDER JOHANN-PETER ,  MAIXNER STEFAN ,  BASSLER PETER ,  LUYKEN HERMANN

    IPC: C08J5/18 ,  C08G69/04 ,  C08G69/14 ,  C08G69/16

    Abstract: A process for preparing a polymer, which comprisesa) reacting a mixture (I) containing 6-aminocapronitrile and water in the presence of a catalyst to obtain a mixture (II) containing caprolactam, ammonia, water, high boilers and low boilers, thenb) removing ammonia from mixture (II) to obtain a mixture (III) containing caprolactam, water, high boilers and low boilers, thenc) removing all or some of the water from mixture (III) to obtain a mixture (IV) containing caprolactam, high boilers and low boilers and thend) feeding mixture (IV) to a polymerization reaction, and also the polymer obtainable by this process, the use of the polymer for producing fibers, sheetlike structures and moldings, and also fibers, sheetlike structures and moldings obtainable using such a polymer.

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