Hydrogenation of nitrile butadiene rubber latex
US11225533B2 · kind B2 · utility
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19References
14Claims
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Assignee
Inventors
Key dates
| Filing date | Dec 11, 2018 |
| Grant date | Jan 18, 2022 |
| Priority date | — |
| Expiry date | Dec 11, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2531/821
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the hydrogenation of the carbon-carbon double bonds in nitrile butadiene rubber which is present in latex form, this means as a suspension of nitrile butadiene rubber particles in an aqueous medium, using a hydrogenation catalyst in the presence of an emulsifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.