Catalyst component for the polymerization of olefins, process for its manufacture and process for the polymerization of olefins in the presence of the said catalyst component
US6221801A · kind A · utility
3Cited by
14References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1995 |
| Grant date | Apr 24, 2001 |
| Priority date | — |
| Expiry date | Dec 15, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F110/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a solid catalyst component for the polymerization of olefins, making it possible to obtain polymers or copolymers exhibiting a high Mz/Mw, generally higher than 3, and a high Mw/Mn, generally higher than 5.5. In the solid component according to the invention, titanium is present in a proportion of at least 2.5% by weight and a diester of phthalic acid is present in a proportion of less than 7% by weight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.