Dinuclear metallocene compound, and a method for preparing the same
AssigneeLG Chem, Ltd.
InventorsYoung Shil Do, Choong Hoon Lee, Seung Hwan Jung, Ji Joong Moon, Yoon Hee Cho, Sang Eun Park
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Abstract
The present invention relates to a dinuclear metallocene compound with a new structure which can manufacture polyolefin having high molecular weight and to a method for preparing the same. The dinuclear metallocene compound according to the present invention is a dinuclear metallocene compound with a new structure, and, unlike a single-site catalyst, has high accessibility to a substrate, and thus, can provide a multi-site catalyst with high activity.
Claims5
A dinuclear metallocene compound represented by the following Chemical Formula 1:
- in the Chemical Formula 1,
- R1 to R7 are independently hydrogen, an alkyl group having a carbon number of 1 to 20, or an aryl group having a carbon number of 6 to 20;
- CY is a pentagonal or hexagonal aliphatic or aromatic ring containing nitrogen, unsubstituted or substituted with an alkyl group having a carbon number of 1 to 20;
- M is titanium (Ti), zirconium (Zr), or hafnium (Hf);
- X1 is halogen or an alkyl group having a carbon number of 1 to 20;
- and
- n is an integer of 0 to 10.
A method for preparing a dinuclear metallocene compound represented by the following Chemical Formula 1, comprising the step of reacting a compound represented by the following Chemical Formula 2 with a compound represented by the following Chemical Formula 3:
- in the Chemical Formulae 1, 2 and 3,
- R1 to R7 are independently hydrogen, an alkyl group having a carbon number of 1 to 20, or an aryl group having a carbon number of 6 to 20;
- CY is a pentagonal or hexagonal aliphatic or aromatic ring containing nitrogen, unsubstituted or substituted with an alkyl group having a carbon number of 1 to 20;
- M is titanium (Ti), zirconium (Zr), or hafnium (Hf);
- X1 and X2 are halogen or an alkyl group having a carbon number of 1 to 20;
- and
- n is an integer of 0 to 10.
Dependencies are inferred from the claim text.