METHOD FOR REMOVING RUTHENIUM-CONTAINING CATALYST RESIDUE FROM OPTIONALLY HYDROGENATED NITRILE RUBBER

PROBLEM TO BE SOLVED: To provide a method for removing a ruthenium-containing catalyst residue from an optionally hydrogenated nitrile rubber. SOLUTION: The novel optionally hydrogenated nitrile rubber characterized in that a ruthenium content is extremely low, and a method for removing the rutheniu...

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Hauptverfasser: MERSMANN FRANZ-JOSEF, ONG CHRISTOPHER
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method for removing a ruthenium-containing catalyst residue from an optionally hydrogenated nitrile rubber. SOLUTION: The novel optionally hydrogenated nitrile rubber characterized in that a ruthenium content is extremely low, and a method for removing the ruthenium-containing catalyst residue from a solution of the optionally hydrogenated nitrile rubber by using a specific functionalized ion exchange resin are provided. COPYRIGHT: (C)2009,JPO&INPIT