Lg Chem, Ltd

Sangeun An

Seok Hwan Kim

Daesik Hong

SangHoon Lee

Byung Seok Kim

Insun Lee

Donghyeon Gwon

Provided are a hybrid supported metallocene catalyst comprising one or more first metallocene compounds selected from compounds represented by the following Chemical Formula 1; one or more second metallocene compounds selected from compounds represented by the following Chemical Formula 2, and showing high activity in propylene polymerization and being usefully applied to the preparation of a polypropylene having high melt strength by introducing long chain branches into the polypropylene molecule, and a method of preparing a polypropylene using the same

Hybrid supported metallocene catalyst and method of preparing polypropylene using the same

The hybrid supported metallocene catalyst according to the present disclosure comprises at least one first metallocene compound selected from compounds represented by the following Chemical Formula 1; and at least one second metallocene compound selected from compounds represented by the following Chemical Formula 3, and exhibits high activity in propylene polymerization and is useful for preparing polypropylene having high melt tension through the introduction of long chain branches (LCB) into polypropylene molecules, and a method for preparing a polypropylene using the same, wherein all the variables are described herein.

Hybrid supported metallocene catalyst and method for preparing polypropylene using the same

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Daejeon, South Korea

Sangeun An