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1.
公开(公告)号:US06646059B2
公开(公告)日:2003-11-11
申请号:US10000520
申请日:2001-11-02
IPC分类号: C08F804
CPC分类号: C08C2/04
摘要: A process is provided for the removal of iron- and rhodium-containing residues from a solution of hydrogenated nitrile rubber. The process utilizes an ion-exchange resin having thiourea functional groups. Further, the resin is both macroporour and monodispersed. The process removes both rhodium and iron from viscous rubber solutions. In a preferred embodiment, the process is carried out in an ion-exchange column.