Transition Metal Compound and Catalyst Composition Comprising Same
AssigneeLG Chem, Ltd.
InventorsJae Kwon Jang, Seung Hyo Kim, Seung Hwan Jung, A Rim Kim
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Abstract
A novel transition metal compound and a catalyst composition including same are disclosed herein. In some embodiments, the transition metal compound is represented by formula 1 disclosed herein. In some embodiments, the catalyst composition comprises the transition metal compound represented by formula 1. The catalyst composition may be useful for preparing an olefin-based polymer having a high molecular weight in a low density region, and may be useful for preparing an olefin-based polymer having a low melting index (MI) in high temperature conditions and a high molecular weight.
Claims11
A transition metal compound represented by the following Formula 1:
- wherein, in Formula 1,
- R1 to R13 are each independently hydrogen, halogen, alkyl of 1 to 20 carbon atoms, cycloalkyl of 3 to 20 carbon atoms, alkenyl of 2 to 20 carbon atoms, alkoxy of 1 to 20 carbon atoms, aryl of 6 to 20 carbon atoms, arylalkoxy of 7 to 20 carbon atoms, alkylaryl of 7 to 20 carbon atoms, arylalkyl of 7 to 20 carbon atoms, silyl, or silyl having one to three substituents selected from the group consisting of alkyl of 1 to 12 carbon atoms, and alkoxy of 1 to 12 carbon atoms, where adjacent two or more groups among R1 to R12 may be connected with each other to form a ring,
- X and X′ are each independently O, S or a connecting group,
- A is alkylene of 1 to 6 carbon atoms,
- Y is C or Si,
- M is a transition metal of group 4, and
- Q is hydrogen, halogen;
- alkyl of 1 to 20 carbon atoms, cycloalkyl of 3 to 20 carbon atoms, alkenyl of 2 to 20 carbon atoms, aryl of 6 to 20 carbon atoms, alkylaryl of 7 to 20 carbon atoms, arylalkyl of 7 to 20 carbon atoms, alkylamino of 1 to 20 carbon atoms, or arylamino of 6 to 20 carbon atoms.
Dependencies are inferred from the claim text.