Lg Chem, Ltd

A Rim Kim

Seung Hwan Jung

Jin Sam Gong

Dong Eun Kim

Choong Hoon Lee

Hae Woong Park

Ki Won Han

Yun Jin Lee

Seung Hyo Kim

Ki Soo Lee

Yoon Hee Cho

Young Shil Do

Hyo Jung Han

Jae Kwon Jang

Ue Ryung Seo

Yoonhee Cho

Youngshil Do

The present invention relates to a method for purifying a polyalkylaluminoxane-containing solution using a hydroxy group-containing compound, a method for producing a catalyst composition using the method, a catalyst composition produced by the production method, and a method for producing an olefin polymer using the catalyst composition.

Method for purifying polyalkylaluminoxane-containing solution using hydroxy group-containing compound and catalyst composition using the same

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.

Transition metal compound and catalyst composition comprising same

A transition metal compound having a novel structure is disclosed herein. The transition metal compound can have improved structural stability by forming a stable coordination site of a transition metal through controlling a bond angle formed by the amido group of a phenylene bridge, a cyclopentadienyl ring, and a transition metal. The transition metal compound has excellent copolymerization properties and may produce an olefin polymer having a high molecular weight in a ultra low density region.

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

The present invention provides a novel ligand compound, a transition metal compound and a catalyst composition including the same.

Ligand compound, transition metal compound, and catalyst composition including the same

The present invention relates to a transition metal complex that exhibits high activity in the polymerization reaction of olefin monomers and improved copolymerization activity, thus enabling the preparation of a low density, high molecular weight polyolefin, a catalyst composition including the same, and a method for preparing a polyolefin using the composition.

Transition metal complexes, catalyst compositions including the same, and method for preparing polyolefins therewith

The present invention relates to a novel ligand compound, a transition metal compound and a catalyst composition including the transition metal compound. The novel ligand compound and the transition metal compound of the present invention may be usefully used as the catalyst of a polymerization reaction for preparing an olefin polymer having a low density relative to a CGC catalyst. In addition, a product having a low melt index (MI) and a high molecular weight may be manufactured using the olefin polymer polymerized using the catalyst composition including the transition metal compound.

Ligand compound, transition metal compound and catalyst composition including the transition metal compound

The present invention relates to a novel ligand compound, a transition metal compound, and a catalytic composition including the same. The novel ligand compound and the transition metal compound of the present invention are useful as a polymerization reaction catalyst in preparing an olefin-based polymer having low density. In addition, an olefin polymer polymerized using a catalytic composition including the transition metal compound is capable of being prepared to a high molecular weight product having a low melt index (MI).

Ligand compound, transition metal compound, and catalystic composition including the same

The present specification describes a transition metal compound having a novel structure, a catalytic composition including the same, and a method for preparing a polymer using the same.

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Daejeon, South Korea

A Rim Kim