C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 236/12 (2006.01) C08C 19/02 (2006.01) C08F 2/38 (2006.01) C08F 4/80 (2006.01)
Patent
CA 2101689
An improved process is provided for the catalytic hydrogenation of nitrile rubber using a ruthenium catalyst wherein the improvement is that the nitrile rubber is provided as an aqueous emulsion and a solvent and a selected inorganic additive are present during the hydrogenation, whereby the molecular weight increase in the hydrogenation process is minimized and controlled.
Guo Xiang-Yao
Rempel Garry Llewellyn
Lanxess Inc.
Polysar Rubber Corporation
Smart & Biggar
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