Amine modified hydrogenation of nitrile rubber
US5075388A · kind A · utility
11Cited by
9References
19Claims
0Family size
Inventors
Key dates
| Filing date | Dec 13, 1990 |
| Grant date | Dec 24, 1991 |
| Priority date | — |
| Expiry date | Dec 13, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08C19/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An improved process is provided for the hydrogenation of nitrile rubber wherein the molecular weight increase during the hydrogenation process is minimized and controlled, the improvement being that the hydrogenation is undertaken in the presence in the solution of an NH.sub.2 -containing compound selected from ammonia and a C.sub.1 to C.sub.20 primary amine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.