Supported olefin polymerization catalyst, its preparation and use
US6291611A · kind A · utility
4Cited by
14References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 1995 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Aug 2, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/943
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Olefin polymerization comprising catalysts based on a metallocene, an alumoxane and a support are disclosed. The process for the preparation of a supported olefin ploymerization catalyst comprises: PA1 a) a metallocene/activator reaction product, a solvent capable of dissolving it, and a porous support are brought into mutual contact, and PA1 b) the solvent is removed, PA2 and wherein step a) is carried out so that the porous support is impregnated with a volume of the metallocene/activator reaction product and solvent, which does not exceed the total pore volume of the support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.