Hydrogenation process

Details Hydrogenation process Hydrogenation process

1985-07-12

1987-04-07

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253322, 5253328, 5253329, 525339, C08F 804

Patent

active

046562303

ABSTRACT:
Process of preventing and/or reducing the rate of catalyst deactivation during hydrogenation of olefinic materials, especially olefinic polymers such as diene-containing polymers, that contain contaminants and/or catalyst poisons which comprises carrying out the hydrogenation in the presence of a small but finite amount of a lower alkanol, such as methanol, which amount is sufficient to substantially reduce catalyst poisoning due to contaminants present in the hydrogenation feed.

REFERENCES:
patent: 1997135 (1935-04-01), de Mahler
patent: 3040009 (1962-06-01), Wadsworth et al.
patent: 3793306 (1974-02-01), Farrar et al.
patent: 3937759 (1976-02-01), Baumgartner et al.
patent: 4021484 (1977-05-01), Toda et al.

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