Selective hydrogenation of unsaturated hydrocarbon polymers

Details Selective hydrogenation of unsaturated hydrocarbon polymers Selective hydrogenation of unsaturated hydrocarbon polymers

1975-08-29

1976-11-23

Hamrock, William F.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 20, 526 21, 526 27, C08F 804

Patent

active

039938557

ABSTRACT:
Selective hydrogenation of unsaturated hydrocarbon polymers is achieved utilizing compounds of rhodium, ruthenium and iridium in the presence of hydrogen. The hydrogenation is largely selective with respect to external or pendant points of unsaturation on the polymer resin. The invention is particularly pertinent with respect to polymers made from dienes such as butadiene, isoprene, styrene-butadiene and the like which are utilized in the manufacture of rubber compounds.

REFERENCES:
patent: 3076858 (1963-02-01), Frevel et al.
patent: 3330875 (1967-07-01), Cull et al.
patent: 3366646 (1968-01-01), Dewhirst
patent: 3454644 (1969-07-01), Dewhirst
patent: 3809687 (1974-05-01), Allison et al.

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