Method for bulk polymerization
US7807763B2 · kind B2 · utility
6Cited by
25References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 7, 2008 |
| Grant date | Oct 5, 2010 |
| Priority date | — |
| Expiry date | Apr 7, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/903
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for polymerizing conjugated diene monomer into polydienes, the method comprising: polymerizing conjugated diene monomer within a liquid-phase polymerization mixture that includes conjugated diene monomer, a lanthanide-based catalyst system, dicyclopentadiene or substituted dicyclopentadiene, and optionally organic solvent, with the proviso that the organic solvent, if present, is less than about 20% by weight based on the total weight of the polymerization mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.