Polymer hydrogenation process

Details Polymer hydrogenation process Polymer hydrogenation process

1990-05-02

1991-10-15

Michl, Paul R.

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

Synthetic resins

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

5253293, 525339, 525355, 525340, 525370, C08F 804

Patent

active

050575813

ABSTRACT:
Selective hydrogenation of the carbon-carbon double bonds of conjugated diene copolymers is effected in homogeneous solution in an organic solvent in the presence of certain divalent ruthenium carbonyl complex catalysts containing phosphine ligands having bulky alkyl substituents. The ruthenium catalysts have the general formula:

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