Catalytic solution hydrogenation of nitrile rubber
US5258467A · kind A · utility
4Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 1992 |
| Grant date | Nov 2, 1993 |
| Priority date | — |
| Expiry date | Sep 2, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08C19/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An improved process is provided for the catalytic hydrogenation of nitrile rubber in solution in an organic medium using a ruthenium catalyst, the improvement being that the hydrogenation is undertaken in the presence of water and a selected organic additive whereby the molecular weight increase in the hydrogenation process is minimized and controlled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.