Catalysts for producing high trans-polybutadiene
US4020008A · kind A · utility
10Cited by
3References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 4, 1975 |
| Grant date | Apr 26, 1977 |
| Priority date | — |
| Expiry date | Sep 4, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F136/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
1,3-Butadiene is polymerized to produce a high trans-polybutadiene employing a three-component catalyst system comprising: (1) a reducing agent in an oxyether solution; (2) a titanium halide plus molecular iodine wherein the halide is chloride or bromide, or titanium tetraiodide; and (3) a thioether.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.