Catalyst pellet stabilization in the preparation of polyamines f

Details Catalyst pellet stabilization in the preparation of polyamines f Catalyst pellet stabilization in the preparation of polyamines f

1977-11-28

1979-03-27

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252470, 260584R, 544358, C07C 8500, C07C 8900

Patent

active

041465601

ABSTRACT:
Covers a process for preparing polyamines from the corresponding polynitriles via a pelleted cobalt-copper-chromium hydrogenation catalyst which comprises contacting a polynitrile with hydrogen in presence of said catalyst and a stabilizing agent comprising a polyamine or a hydroxyl-amine whereby catalyst pellet disintegration is inhibited by the presence of said stabilizing agent.

REFERENCES:
patent: 3235600 (1966-02-01), Evans
patent: 3384666 (1968-05-01), Lichtenwalter
patent: 3673251 (1972-06-01), Frampton et al.
patent: 3891707 (1975-06-01), Waddan
patent: 3972938 (1976-08-01), Voges et al.

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