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US 10,774,160 B2Granted
Supported hybrid catalyst system for ethylene slurry polymerization and method for preparing ethylene polymer with the catalyst system
AssigneeLG Chem, Ltd.
InventorsYe Jin Lee, Yi Young Choi, Ki Soo Lee, Se Young Kim, Sung Min Lee, Chang Woan Han, Soon Ho Sun
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Abstract
The present invention relates to a supported hybrid catalyst system for ethylene slurry polymerization and a method for preparing ethylene polymer therewith. The supported hybrid catalyst system according to the present invention may exhibit high activity during ethylene slurry polymerization, and enables preparation of an ethylene polymer having a narrow molecular weight distribution but excellent processability.
Claims5
A supported hybrid catalyst system for ethylene slurry polymerization, comprising
- a carrier and three or more kinds of metallocene compounds supported on the carrier,
- wherein the three or more kinds of metallocene compounds comprise at least one metallocene compound having the following structural formula:
- at least one metallocene compound represented by the following structural formula:
- and at least one metallocene compound selected from the group consisting of compounds represented by the following structural formulas:
1 more element
Dependencies are inferred from the claim text.