Sk Innovation Co., Ltd.

Sk Global Chemical Co., Ltd.

Sk Geo Centric Co., Ltd.

Eun Jung Baek

Sun Young Kim

Sang Ick Lee

Hyo Seung Park

Byoung Cheon Jo

Min Seon Jung

Jae Myoung Son

Joo Hyun Nam

The present disclosure relates to a recyclable polyethylene-based laminated packaging material with openability and a method of manufacturing the same including a multi-layered polyethylene film C in which a surface layer A and a sealant layer B are bonded to each other. The sealant layer B is a layer in which a polyolefin plastomer layer b1, a mixed resin layer b2 obtained by mixing a high-density polyethylene resin and a low-density polyethylene resin, and a composition layer b3 containing a resin composition obtained by mixing medium-density polyethylene and low-density polyethylene are sequentially laminated. Also disclosed is a method of manufacturing the same.

Recyclable polyethylene-based laminated packaging material with openability and method of manufacturing the same

The present invention relates to an oligomerization catalyst including a transition metal or transition metal precursor, a halogen-substituted organic ligand, and a heteroatom ligand, and to a method for selectively preparing 1-hexene or 1-octene from ethylene using the catalyst.

Oligomerization catalyst and method for preparing ethylene oligomer using same

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Daejeon, South Korea

Eun Jung Baek