Polymer hydrogenation process
US4503196A · kind A · utility
86Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 1983 |
| Grant date | Mar 5, 1985 |
| Priority date | — |
| Expiry date | Oct 12, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08C19/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process is provided for the selective hydrogenation of the carbon-carbon double bonds in a copolymer of a conjugated diene and one or more copolymerizable monomers which comprises hydrogenating the copolymer in the presence of a monovalent rhodium hydride complex catalyst of the general formula RhHL.sub.x wherein x is 3 or 4 and L is a ligand compound. The hydrogenation is carried out in an organic solvent in which the copolymer and catalyst are soluble and in the absence of additional ligand compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.