Process for the preparation of low molecular weight hydrogenated nitrile rubber
US9150669B2 · kind B2 · utility
3Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2010 |
| Grant date | Oct 6, 2015 |
| Priority date | — |
| Expiry date | Jul 3, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08C19/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Pursuant to the invention a process for the production of hydrogenated nitrile rubber polymers having lower molecular weights and narrower molecular weight distributions than those known in the art in the is provided wherein the process is carried out in the presence of hydrogen and optionally at least one co-(olefin). The present invention further relates to the use of specific metal compounds in a process for the production of a hydrogenated nitrile rubber by simultaneous hydrogenation and metathesis of a nitrile rubber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.