Lg Chem, Ltd

Other

Hye Kyung Lee

Byung Seok Kim

Sang Jin Jeon

Hee Kwang Park

Kyung Seop Noh

Seok Hwan Kim

Daesik Hong

Sangjin Jeon

Jae Youp Cheong

Heekwang Park

Insun Lee

Eun Kyoung Song

Ye Jin Lee

Sang Eun An

Ra Yun Choi

Jinyoung Kwak

In Sun Lee

Eunyoung Shin

Heon Yong Kwon

Young Ho Kim

Sang Hoon Lee

Hyunsup Lee

Seong Min Chae

Seyoung Kim

Joongsoo Kim

Young Ger Suh

Ha Na Park

Young Hoon Choi

Jong Woo Park

Hyoung Sup Park

The present invention provides a polypropylene resin pellet that is environment friendly, has excellent workability, and enables preparation of fine denier fiber, and a method for preparing the same.

Polypropylene resin pellet and method for preparing the same

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

A catalyst composition, a method from preparing an olefin polymer using the same, and an olefin polymer prepared from the same are disclosed herein. In some embodiments, a catalyst composition includes a first metallocene compound represented by the Chemical Formula 1, a second metallocene compound represented by the Chemical Formula 2, and a support. The catalyst composition can exhibit high activity in an olefin polymerization reaction and thus contribute to reducing catalyst costs, and can also exhibit high copolymerizability which can secure excellent processability and long-term physical properties, and thus, is suitable for providing polymers for pipes.

Hybrid supported metallocene catalyst and method for preparing olefin polymer using the same

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.

Transition metal compound and method for preparing polypropylene using the same

A method of preparing a high-purity metallocene catalyst capable of providing various selectivities and high activities for polyolefin copolymers, wherein a metallocene compound is formed by reacting a ligand compound with a zirconium compound, and then lithium chloride as a reaction by-product included in the metallocene compound is prepared in a form of a complex compound and effectively removed in a subsequent step of extracting the catalyst, thereby effectively preparing the high-purity metallocene catalyst, is provided.

Method of preparing metallocene catalyst for polyolefin preparation

A catalyst composition and a method for preparing an olefin polymer by using the same are provided herein. In some embodiments, a catalyst composition includes a transition metal compound having a compound (A) represented by Chemical Formula 1 and a compound (B) represented by Chemical Formula 2 present in a molar ratio of 1.6:1 to 18. The catalyst composition has high activity in an olefin polymerization reaction and can contribute to a reduction of catalyst cost. The catalyst composition aides in high copolymerizability of olefin monomers, and the produced olefin polymers can exhibit excellent processability and long-term physical properties, suitable for a pipe.

Catalyst composition and method for preparing olefin polymer using same

The present invention relates to a supported metallocene catalyst including a novel single metallocene compound having excellent polymerization activity, and a process for producing a polypropylene having excellent processability and broad molecular weight distribution using the same.

Metallocene supported catalyst and method for preparing polypropylene using the same

The present invention provides a transition metal compound, a catalyst composition comprising the same, and a method for producing an olefin polymer using the catalyst composition, the transition metal compound being capable of exhibiting high activity in olefin polymerization reaction, and also being capable of easily controlling the physical properties of an olefin polymer. When the transition metal compound is used, it is possible to provide an olefin polymer having an excellent energy-saving effect at the time of processing or molding.

Transition metal compound, catalyst composition comprising same, and method for producing olefin polymer using same

The present invention relates to a metallocene compound having novel structure which can provide various selectivity and activity to polyolefin copolymers, a preparation method thereof, and a preparation method of polyolefin using the metallocene compound.

Metallocene catalyst for preparing a high molecular weight polyolefin and a preparation method thereof

The present invention relates to diterpene derivatives prepared from the components which are extracted from Acanthopanax Koreanum and represented by Chemical Formula (1).

Diterpene derivatives and anti-inflammatory analgesic agents comprising the same

Growing community of inventors

Daejeon, South Korea

Hye Kyung Lee