Olefin polymerization catalyst and method for polymerizing olefin using the same
US6531552B2 · kind B2 · utility
38Cited by
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13Claims
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Key dates
| Filing date | Jan 10, 2001 |
| Grant date | Mar 11, 2003 |
| Priority date | — |
| Expiry date | Sep 6, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/943
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An olefin polymerization catalyst comprising the following components (A) and (B):Component (A): an ion-exchange layered silicate having an acid site of at most −8.2 pKa, the amount of the acid site is equivalent to at least 0.05 mmol/g of 2,6-dimethylpyridine consumed for neutralization; andComponent (B): a compound of a transition metal belonging to Group 3 to Group 12 of the Periodic Table.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.