Hybrid supported metallogen catalyst, method for preparing olefin polymer by using same, and olefin polymer having improved melt strength
US10934370B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Mar 29, 2016 |
| Grant date | Mar 2, 2021 |
| Priority date | — |
| Expiry date | Oct 23, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2500/12
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to: a hybrid supported metallocene catalyst includes at least one first metallocene compound among the compounds represented by chemical formula 1, at least one second metallocene compound among the compounds represented by chemical formula 2 and a cocatalyst compound; a method for preparing an ethylene-α-olefin copolymer, comprising polymerizing olefin monomers in the presence thereof; and an ethylene-α-olefin copolymer having improved melt strength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.