Method of preparing supported metallocene catalyst and method of preparing polypropylene using catalyst prepared thereby
US11731123B2 · kind B2 · utility
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Key dates
| Filing date | Sep 12, 2022 |
| Grant date | Aug 22, 2023 |
| Priority date | — |
| Expiry date | Sep 12, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F4/65916
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided are a method of preparing a supported metallocene catalyst, and a method of preparing polypropylene using the catalyst prepared thereby. According to the present invention, provided is a supported metallocene catalyst capable of preparing an isotactic polypropylene polymer having a low xylene soluble content while having excellent catalytic activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.