Lg Chem, Ltd

Hyo Jung Han

Choong Hoon Lee

Eun Jung Lee

In Sung Park

Seul Ki Kim

Ki Won Han

Jae Kwon Jang

Seung Hwan Jung

Yoon Hee Cho

Ik Je Choe

Young Hoon Na

Jin Sam Gong

A Rim Kim

Young Shil Do

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

A transition metal compound represented by Chemical Formula 1 and a method for preparing the same, catalyst compositions including the same, and olefin-based polymers prepared from the same are disclosed herein. The transition metal catalyst has excellent structural stability together with excellent catalytic activity and can exhibit excellent copolymerizability even at a high temperature. In an embodiment, an olefin-based polymer prepared using a catalyst composition including the transition metal compound has a density of 0.91 g/cc or less.

Transition metal compound and method for preparing 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 novel ligand compound represented by Formula 1 and a novel transition metal compound represented by Formula 2, and the novel ligand compound and transition metal compound according to the present invention has high comonomer incorporation effect in the preparation of an olefinic polymer having a low density and a high molecular weight, and thus can be usefully used as a catalyst for a polymerization reaction.

Compound and transition metal compound

Ligand compound and 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.

Ligand compound, a preparation method thereof, a transition metal compound, and a preparation method thereof

Ligand compound, a preparation method thereof, a transition metal compound including the ligand compound, and a preparation method thereof

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Daejeon, South Korea

Hyo Jung Han