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US 10,800,863 B2Granted
Transition metal complexes, catalyst compositions including the same, and method for preparing polyolefins therewith
AssigneeLG Chem, Ltd.
InventorsDong Eun Kim, A Rim Kim, Jin Sam Gong, Choong Hoon Lee, Seung Hwan Jung
Life of this patent
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Abstract
The present invention relates to a transition metal complex that exhibits high activity in the polymerization reaction of olefin monomers and improved copolymerization activity, thus enabling the preparation of a low density, high molecular weight polyolefin, a catalyst composition including the same, and a method for preparing a polyolefin using the composition.
Claims3
A transition metal complex represented by the following Chemical Formula 1-1, Chemical Formula 1-2, Chemical Formula 1-3, Chemical Formula 1-4, or Chemical Formula 1-5:
- wherein, in Chemical Formulas 1-1 to 1-5,
- each Cy is a cyclohexyl group,
- each tBu is a tert-butyl group,
- each Me is a methyl group, and
- each Ph is a phenyl group.
2 more elements
Dependencies are inferred from the claim text.