Lg Chem, Ltd

Yoon Hee Cho

Seung Hwan Jung

Choong Hoon Lee

Jin Sam Gong

Young Shil Do

Jung Ho Jun

Sang Eun Park

Hyo Jung Han

Jae Kwon Jang

Don Ho Kum

Eun Jung Lee

Young Woo Lee

Hae Woong Park

A Rim Kim

Ki Won Han

Yun Jin Lee

Ji Joong Moon

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 relates to a novel ligand compound, a transition metal compound and a catalyst composition comprising the same. The novel ligand compound and the transition metal compound of the present invention may be useful as a catalyst of polymerization reaction for preparing an olefin-based polymer having a low density.

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

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 disclosure provides a novel transition metal compound having excellent structural stability together with polymerization reactivity, and thereby is useful as a catalyst in preparing an olefin-based polymer, particularly, a high molecular weight and low density olefin-based polymer, and a catalyst composition including the same.

Transition metal compound and catalyst composition including the same

The present disclosure provides a novel transition metal compound having excellent structural stability together with polymerization reactivity, and thereby is useful as a catalyst in preparing an olefin-based polymer, particularly, a low density olefin-based polymer, and a catalyst composition including the same.

The present invention relates to a polyolefin having a molecular weight distribution of 1.5 to 3.0 and having a branch gradient number (BGN) of 0.01 to 1.0. According to the present invention, there is provided the polyolefin having a narrow molecular weight distribution and showing a unique comonomer distribution to have excellent impact strength and mechanical physical properties.

Polyolefin

The present invention relates to a catalyst composition and a method of preparing a polymer including the same.

Catalyst composition and method of preparing polymer including the same

The present invention relates to a dinuclear metallocene compound with a new structure which can manufacture polyolefin having high molecular weight and to a method for preparing the same. The dinuclear metallocene compound according to the present invention is a dinuclear metallocene compound with a new structure, and, unlike a single-site catalyst, has high accessibility to a substrate, and thus, can provide a multi-site catalyst with high activity.

Dinuclear metallocene compound, and a method for preparing the same

The present invention discloses a transition metal compound having a novel structure and including a heteroatom, a catalyst composition including the same, and a method for preparing polymers using the same. The transition metal compound according to an embodiment of the present invention has good copolymerization properties, and a polymer having a low density may be prepared using thereof. Thus, a copolymer having various uses may be prepared.

Growing community of inventors

Daejeon, South Korea

Yoon Hee Cho