Lg Chem, Ltd

Ki Won Han

Choong Hoon Lee

Eun Jung Lee

Seul Ki Kim

Hyo Jung Han

In Sung Park

Jae Kwon Jang

Seung Hwan Jung

A Rim Kim

Yoon Hee Cho

Ik Je Choe

Ue Ryung Seo

Seung Hyo Kim

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

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 an olefin-based copolymer having novel crystalline properties and capable of providing a molded article with further improved strength and impact strength when compounded with other resins, and a method for preparing the same. The olefin-based copolymer is an olefin-based copolymer comprising an ethylene repeating unit and an &#x3b1;-olefinic repeating unit. The olefin-based copolymer comprises polymer fractions defined by three different peaks at a predetermined temperature when analyzed by cross-fractionation chromatography.

Olefin-based copolymer and process for preparing same

The present invention relates to a polypropylene-based resin composition which exhibits mechanical properties such as excellent strength, etc. and has an improved impact strength, and to a molded article including the same. The olefin-based copolymer includes: a polypropylene-based resin; and an olefin-based copolymer, wherein the olefin-based copolymer includes polymeric fractions defined by three different peaks at a given temperature when analyzed by cross-fractionation chromatography (CFC).

Polypropylene-based resin composition

The present invention relates to a catalyst composition including a transition metal compound represented by the following Formula 1; and one or more of a compound represented by the following Formula 2, a compound represented by the following Formula 3 and a compound represented by the following Formula 4. The catalyst composition according to the present invention has excellent copolymerization properties, and can be usefully used as a catalyst for a polymerization reaction for preparing an olefin-based polymer having a high molecular weight.

Catalyst composition including novel transition metal compound

The present invention relates to a novel ligand compound, a preparation method thereof, a transition metal compound including the ligand compound, and a preparation method thereof. The ligand compound of novel structure according to the present invention and the transition metal compound including the same may be used as a polymerization reaction catalyst for preparing olefin polymers.

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Daejeon, South Korea

Ki Won Han