PRODUCTION OF POLYAMIDES BY REACTIVE DISTILLATION

    公开(公告)号:MY120067A

    公开(公告)日:2005-08-30

    申请号:MYPI9900465

    申请日:1999-02-10

    Applicant: BASF AG

    Abstract: THE PREPARATION OF POLYAMIDES, THEIR OLIGOMERS OR MIXTURES THEREOF, WHERE APPROPRIATE WITH OTHER REACTION PRODUCTS, TAKES PLACE BY REACTING AMINO NITRILES (A) AND, WHERE APPROPRIATE. OTHER POLYAMIDE-FORMING AMONOMERS 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.(FIG. 1)

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