Living polymer hydrogenation catalyst and process for hydrogenat

Details Living polymer hydrogenation catalyst and process for hydrogenat Living polymer hydrogenation catalyst and process for hydrogenat

1998-01-26

1999-06-08

Nutter, Nathan M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Treating polymer containing material or treating a solid...

528482, 528491, 528492, 528494, 528497, 528503, 502152, 502155, 502171, 502200, 502309, 502349, 502350, B01J 3100, B01J 2724, B01J 2300

Patent

active

059105666

ABSTRACT:
This invention is to provide a process for the hydrogenation of conjugated diene polymer in an inert organic solvent, said polymer being obtained by polymerization or copolymerization of a conjugated diene, which comprise effecting selective hydrogenation of unsaturated double bonds in the conjugated diene units of said conjugated diene polymer in the presence of catalyst represented by the following formula (I) ##STR1## wherein Cp is cyclopentadienyl (C.sub.5 H.sub. --);

REFERENCES:
patent: 3670054 (1972-06-01), De La Mare et al.
patent: 3700633 (1972-10-01), Wald et al.
patent: 4501857 (1985-02-01), Kishimoto et al.
patent: 4673714 (1987-06-01), Kishimoto et al.
patent: 4980421 (1990-12-01), Teramoto et al.
patent: 5039755 (1991-08-01), Chamberlain et al.

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