Method for hydrogenating polymer and hydrogenated polymer thereof
US8993685B2 · kind B2 · utility
0Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2012 |
| Grant date | Mar 31, 2015 |
| Priority date | — |
| Expiry date | Oct 31, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2800/20
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for hydrogenating a polymer containing vinyl aromatic block and the hydrogenated polymer are provided. The method includes providing a polymer having at least one vinyl aromatic block; and hydrogenating the polymer in presence of a heterogeneous catalyst on a support, wherein the heterogeneous catalyst consists essentially of Ru, Zn and B, or Ru, Zn and P.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.