Lg Chem, Ltd

Insun Lee

Minyoung Kang

Byung Seok Kim

Seok Hwan Kim

Sangjin Jeon

Seyoung Kim

Heekwang Park

Donghyeon Gwon

Daesik Hong

Hye Kyung Lee

Jung Won Lee

Jihwa Ye

SangHoon Lee

Sangeun An

Yoonchul Jung

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

Provided are a novel transition metal compound of the following Chemical Formula 1 that exhibits excellent catalytic activity, allows formation of a macromonomer which is a polymer in which a double bond is formed at the end of a chain, and improves a melt strength characteristic when used in polymerizing polypropylene, and a method of preparing a polypropylene using the same. wherein A, M, Rto R, Xand X, Yand Yand m are described herein.

Transition metal compound and method of preparing polypropylene using the same

The present disclosure relates to a novel transition metal compound represented by the following Chemical Formula 1, which exhibits excellent catalytic activity for propylene polymerization, and is useful in the preparation of a polypropylene having a narrow molecular weight distribution and a high melting point, a catalyst composition including the same, and a method for preparing a polypropylene using the same,

Transition metal compound and catalyst composition comprising the same

The present disclosure relates to a novel transition metal compound of the following Chemical Formula 1, which exhibits high hydrogen reactivity with excellent catalytic activity for propylene polymerization, and is useful in the preparation of a polypropylene having a narrow molecular weight distribution and a low melting point, a catalyst composition including the same, and a method for preparing a polypropylene using the same,

Transition metal compound, catalyst composition and method for preparing polypropylene using the same

The present disclosure relates to a propylene-ethylene random copolymer for high transparency injection that has a low total volatile organic compound emission (TVOC), excellent processability, and maximizing ethylene content.

Propylene-ethylene random copolymer

Provided are a method of preparing a supported metallocene catalyst, and a method of preparing polypropylene using the catalyst prepared thereby. According to the present invention, provided is a supported metallocene catalyst capable of preparing an isotactic polypropylene polymer having a low xylene soluble content while having excellent catalytic activity.

Method of preparing supported metallocene catalyst and method of preparing polypropylene using catalyst prepared thereby

The present disclosure provides a novel transition metal compound which exhibits excellent catalytic activity and is useful in the preparation of a polypropylene having high impact strength, and a method for preparing a homo polypropylene using the same.

Growing community of inventors

Daejeon, South Korea

Insun Lee