Catalyst for preparing bis-para-aminocyclohexylmethane containin

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide

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502326, 502332, 502355, B01J 2346

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active

055785468

ABSTRACT:
A catalyst for preparing bis-para-aminocyclohexylmethane by hydrogenation of methylenedianiline, comprising ruthenium or rhodium in an amount of from 0.05 to 8% by weight, applied in a layer thickness of from 5 to 150 .mu.m to a support comprising a calcined and surface-rehydrated transition alumina, wherein a suspension of 10 g of the transition alumina in 300 ml of water at 25.degree. C. has an equilibrium pH of at least 8.2 after 60 minutes and after addition of 10 ml of 0.1N hydrochloric acid to this suspension it has a pH of at least 6.0 after 30 minutes.

REFERENCES:
patent: 2511028 (1950-06-01), Whitman
patent: 2606925 (1952-08-01), Whitman
patent: 2606928 (1952-08-01), Barkdoll et al.
patent: 3347917 (1967-10-01), Arthur
patent: 3591635 (1971-07-01), Farrissey, Jr. et al.
patent: 3636108 (1972-01-01), Brake
patent: 3644522 (1972-02-01), Brake et al.
patent: 3697449 (1972-10-01), Brake
patent: 3856862 (1974-12-01), Chung et al.
patent: 4051072 (1977-09-01), Bedford et al.
patent: 4166100 (1979-08-01), Vorobiev et al.
patent: 4380510 (1983-04-01), D'Aniello, Jr.
patent: 4394298 (1983-07-01), Nowack et al.
patent: 4448995 (1984-05-01), Allen
patent: 4513101 (1985-04-01), Peters et al.
patent: 5360934 (1994-11-01), Vedage et al.

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