C - Chemistry – Metallurgy – 08 – C
Patent
C - Chemistry, Metallurgy
08
C
400/2041, 402/31
C08C 19/02 (2006.01)
Patent
CA 1216397
ABSTRACT A process is disclosed for hydrogenating a conjugated diene polymer in the presence of a hydrogenation catalyst supported on a carrier. The carrier is porous silica having an average pore diameter of from 80 to 1200 .ANG. and a specific surface area of not more than 600 m2/g. The supported catalyst has high activity and can be easily separated from the highly viscous reaction solution containing the hydrogenated polymer after hydrogenation.
407977
Kubo Yoichiro
Oura Kiyomori
Nippon Zeon Co. Ltd.
Smart & Biggar
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