Method for manufacturing hydrogenated block copolymer
US8058356B2 · kind B2 · utility
5Cited by
13References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 2009 |
| Grant date | Nov 15, 2011 |
| Priority date | — |
| Expiry date | Jan 28, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a method for manufacturing a substantially hydrogenated vinyl aromatic/conjugated diene block copolymer, which has a hydrogenation level of greater than 90 percent. The resulting substantially hydrogenated vinyl aromatic/conjugated diene block copolymer has advantageous physical properties suitable for use in discs, optical films, light guide plates, etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.