Sk Innovation Co., Ltd.

Sabic Sk Nexlene Company Pte. Ltd.

Sk Global Chemical Co., Ltd.

Sk Energy Co., Ltd.

Dong Cheol Shin

Ho Seong Lee

Jong Sok Hahn

Sun Young Kim

Sang Ick Lee

Jeong Hwan Kim

Seong Kyun Kim

Chan Woong Jeon

Sung Seok Chae

Sang Soo Lee

Myung Ahn Ok

Yonggyu Han

Jae Kyu Jin

Hong You

Weon Jung Choi

Ki Nam Chung

Young Wook Kim

Jong Wook Kim

Byoung Tak Yim

Kyu Cheol Cho

Hwan Kyu Jung

Seung Yeol Han

Soon Ki Kwon

Yun Hi Kim

Chun Ji Wu

Hyo Sun Lee

The present invention relates to a new transition metal compound based on cyclopenta[b]fluorenyl group, a transition metal catalyst composition containing the same and having high catalytic activity for preparing an ethylene homopolymer or a copolymer of ethylene and one &#x3b1;-olefin, a method of preparing an ethylene homopolymer or a copolymer of ethylene and &#x3b1;-olefin using the same, and the prepared ethylene homopolymer or the copolymer of ethylene and &#x3b1;-olefin.

Cyclopenta[b]fluorenyl transition metal compound, catalyst composition containing the same, and method of preparing ethylene homopolymer or copolymer of ethylene and alpha-olefin using the same

Provided are a novel transition metal compound, a transition metal catalyst composition for preparing an ethylene homopolymer or a copolymer of ethylene and &#x3b1;-olefin, containing the same, a method for preparing an ethylene homopolymer or a copolymer of ethylene and &#x3b1;-olefin using the same, and an ethylene homopolymer or a copolymer of ethylene and &#x3b1;-olefin prepared using the same.

Transition metal compound, transition metal catalyst composition for polymerizing olefin, containing same, and method for preparing ethylene homopolymer or copolymer of ethylene and alpha-olefin by using same

Provided are a hybrid supported metallocene catalyst, a method for preparing the same, and a process for preparing an olefin polymer using the same, and more particular, a hybrid supported metallocene catalyst characterized in that two kinds of metallocene compounds containing a new cyclopenta[b]fluorenyl transition metal compound are supported on an inorganic or organic porous carrier surface-treated with an ionic compound and a co-catalyst, a method for preparing the same, and a process for preparing an olefin polymer using the hybrid supported metallocene catalyst.

Hybrid supported metallocene catalyst, method for preparing the same, and process for preparing polyolefin using the same

Cyclopenta[b]fluorenyl transition metal compound, catalyst composition containing the same, and method of preparing ethylene homopolymer or copolymer of ethylene and &#x3b1;-olefin using the same

The present invention relates to a method of preparing an ethylene-&#x3b1;-olefin-diene copolymer and an ethylene-&#x3b1;-olefin-diene copolymer prepared thereby, by using a transition metal compound based on a cyclopenta[b]fluorenyl group as a catalyst.

Method of preparing ethylene-&#x3b1;-olefin-diene copolymer

There is provided a method for producing copolymer that is composed of ethylene and alpha-olefin by a solution polymerization, and more specifically, a method for producing copolymer that is composed of ethylene and aromatic monomer as main components by using a transition metal catalyst including a cyclopentadiene derivative, and one or more anionic ligand having aryloxy group in which an aryl derivative is substituted at an ortho-position

Ethylene alpha olefin polymer formed by use of metallocene catalyst

Disclosed herein is an organic electroluminescent polymer having 9,9-di(fluorenyl)-2,7-fluorenyl unit and an electroluminescent device using the same. Specifically, the current invention provides an organic electroluminescent polymer having 9,9-di(fluorenyl)-2,7-fluorenyl unit, which can be used as a blue electroluminescent polymer and host material by introducing the substituted fluorenyl group at the 9-position of fluorene, and an electroluminescent device using the electroluminescent polymer. The electroluminescent polymer is applicable as a host material for highly pure blue, green and red, having high solubility, high heat stability and high quantum efficiency. 

Organic electroluminescent polymer having 9,9-di(fluorenyl)-2,7-fluorenyl unit and organic electroluminescent device manufactured using the same

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Daejeon, South Korea

Dong Cheol Shin