Patent ID: 7345115
Filing Date: 2008-03-18
Classification: C08C,C08F

Abstract:
1. A process for the hydrogenation of carbon-carbon double bonds of a polymer in bulk form comprised of a conjugated diene and, optionally additional co-polymerizable monomer(s), comprising, hydrogenating a polymer at a temperature of from about 35° C. to about 250° C., and a hydrogen pressure of from about 0.1 to about 20 MPa, in the presence of a catalyst having the formula wherein Q is hydrogen or an anion, wherein L is a ligand compound of the formula R wherein m is 2 or 3, n is 2, 3, or 4, and wherein x is 2, 3 or 4, and wherein the process is carried out in the absence of an organic solvent at any stage.