Process for the preparation of a hydrogenated polymer composed of diene monomer units and monomer units containing a nitrile group
AssigneeDsm N.V.
InventorsJohannes Wilhelmus Belt, Marcus Matheus Driessen
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Abstract
Process for the preparation of a hydrogenated polymer composed of conjugated diene monomer units and monomer units containing a nitrile group, wherein the hydrogenation is carried out in the presence of hydrazine, an oxidizing compound and a metal compound as catalyst, a metal compound containing a metal atom in an oxidation state of at least 4 being used as catalyst.
Claims10
Process for the preparation of a hydrogenated polymer composed of conjugated diene monomer units and monomer units containing a nitrile group, wherein the hydrogenation is carried out in the presence of hydrazine, an oxidizing compound and a metal compound as catalyst, characterized in that a metal compound containing a metal atom in an oxidation state of at least 4 is used as catalyst.
Dependencies are inferred from the claim text.