Catalytic hydrogenation of diolefin polymers

Details Catalytic hydrogenation of diolefin polymers Catalytic hydrogenation of diolefin polymers

1978-10-19

1980-06-10

Hamrock, William F.

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

Synthetic resins

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

525337, C08F 804, C08C 1902

Patent

active

042074096

ABSTRACT:
In the hydrogenation of polymers or copolymers synthesized from dienes, or containing diene hydrocarbons, which is as a rule carried out in an organic solvent using hydrogen in the presence of conventional complex hydrogenation catalysts based on metals of sub-group 8 of the periodic table of the elements and aluminum trialkyls it is important to have from 0.5 to 50 moles of water present in the hydrogenation zone per mole of the heavy metal component of the catalyst. The hydrogenation time can be substantially reduced by this measure.

REFERENCES:
patent: 3644588 (1972-02-01), Hassell
patent: 3673281 (1972-06-01), Bronstert et al.
patent: 3756977 (1973-09-01), Yoshimoto et al.
patent: 3769256 (1973-10-01), Yoshimoto et al.

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