Method for producing aliphatic alpha-, omega-diamines

Method for producing aliphatic alpha-, omega-diamines

  • CN 1,292,778 A
  • Filed: 02/23/1999
  • Published: 04/25/2001
  • Est. Priority Date: 03/06/1998
  • Status: Abandoned Application
First Claim
Patent Images

1. One kind in the presence of catalyzer, by aliphatic α

  • , the hydrogenation reaction of ω

    -dintrile prepares aliphatic α

    , the method for ω

    -diamines, this method comprise uses the hydrogenation catalyst comprise following component;

    (a) iron or based on compound or its mixture of iron;

    (b) in (a) serve as the promotor of basis 0.001-0.3 weight %, it is based on 2,3,4 or 5 kind of element that is selected from aluminium, silicon, zirconium, titanium and vanadium;

    And(c) serve as the compound of basis 0-0.3 weight % in (a), it is based on basic metal and/or alkaline-earth metal.

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