Transition metal compound and method of preparing polypropylene using the same
US12358938B2 · kind B2 · utility
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3References
14Claims
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Key dates
| Filing date | Jun 10, 2020 |
| Grant date | Jul 15, 2025 |
| Priority date | — |
| Expiry date | Mar 25, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/52
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided are a novel transition metal compound of the following Chemical Formula 1 that exhibits excellent catalytic activity, allows formation of a macromonomer which is a polymer in which a double bond is formed at the end of a chain, and improves a melt strength characteristic when used in polymerizing polypropylene, and a method of preparing a polypropylene using the same. wherein A, M, R1 to R10, X1 and X2, Y1 and Y2 and m are described herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.