Lg Chem, Ltd

Hee Jeong Kim

Won Hee Kim

Gyeong Shin Choi

Jin Kyu Lee

Seong Beom Heo

Dong Hyun Jo

Ji Hyun Choi

Jeong Sik Kim

Jong Yeol Baek

The present invention relates to a method for preparing a liquid rubber, and relates to a method for preparing a liquid rubber, including performing polymerization reaction of a conjugated diene-based monomer in the presence of an organic solvent and a catalyst composition (S10), wherein the catalyst composition includes a catalyst including a compound represented by the following Formula 1, and a liquid rubber prepared therefrom:

Method for preparing liquid rubber and liquid rubber prepared therefrom

The present invention relates to a catalyst composition including an oxonium ion-based catalyst represented by the following Formula 1, and an additive, and a method for preparing polyisobutene using the same:

Catalyst composition and method for preparing polyisobutene using the same

The present invention relates to a catalyst composition including an imidazolinium ion-based catalyst and an aluminum-based cocatalyst, and a method for preparing an isobutene-isoprene copolymer using the same.

Catalyst composition and method for preparing isobutene-isoprene copolymer using the same

The present invention relates to a catalyst composition including an oxonium ion-based catalyst and an aluminum-based cocatalyst, and a method for preparing an isobutene-based polymer using the same.

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Daejeon, South Korea

Hee Jeong Kim