Catalytic solution hydrogenation of nitrile rubber

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525338, C08F 804

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active

052584674

ABSTRACT:
An improved process is provided for the catalytic hydrogenation of nitrile rubber in solution in an organic medium using a ruthenium catalyst, the improvement being that the hydrogenation is undertaken in the presence of water and a selected organic additive whereby the molecular weight increase in the hydrogenation process is minimized and controlled.

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