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公开(公告)号：EP3981803A1
公开(公告)日：2022-04-13
申请号：EP21809322.7
申请日：2021-04-01
申请人： LG Chem, Ltd.
IPC分类号： C08F36/04 , C08F136/04 , C08F236/10 , C08F4/54 , C08L9/08 , C08L9/10
摘要： 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 Formula 1 (refer to the description of the invention), and a liquid rubber prepared therefrom.
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2.发明公开
公开(公告)号：EP4071185A1
公开(公告)日：2022-10-12
申请号：EP21869612.8
申请日：2021-09-07
申请人： Lg Chem, Ltd.
IPC分类号： C08F210/12 , C08F236/08 , C08F4/52 , C08F4/54
摘要： 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.
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公开(公告)号：EP3988586A1
公开(公告)日：2022-04-27
申请号：EP21783712.9
申请日：2021-03-30
申请人： LG Chem, Ltd.
发明人： KIM, Hee Jeong , CHOI, Gyeong Shin , KIM, Won Hee
IPC分类号： C08F210/12 , C08F236/08 , C08F4/52 , C08F4/54
摘要： 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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公开(公告)号：EP4450511A1
公开(公告)日：2024-10-23
申请号：EP23771008.2
申请日：2023-03-03
申请人： LG Chem, Ltd.
发明人： KIM, Seok Sun , SA, Seok Pil , KIM, Tae Hee , JUNG, Seung Hwan , SHIN, Eun Ji , CHO, Yeon Ho , LIM, Won Taeck , KIM, Hee Jeong
摘要： The present invention relates to a ligand compound having a novel structure, an organic chromium compound, a catalyst composition comprising the organic chromium compound, and an ethylene oligomerization method using same, the ligand compound exhibiting high 1-hexene and 1-octene selectivity while exhibiting high catalyst activity such that ethylene oligomerization can be performed with excellent efficiency.
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公开(公告)号：EP4342903A1
公开(公告)日：2024-03-27
申请号：EP23771009.0
申请日：2023-03-03
申请人： LG Chem, Ltd.
发明人： SA, Seok Pil , KIM, Seok Sun , KIM, Tae Hee , JUNG, Seung Hwan , SHIN, Eun Ji , CHO, Yeon Ho , LIM, Won Taeck , KIM, Hee Jeong
摘要： The present invention relates to a novel structured ligand compound, an organic chrome compound, a catalyst composition comprising the organic chrome compound, and an ethylene oligomerization method using same, wherein the ligand compound exhibits high selectivity for 1-hexene and 1-octene while showing high catalytic activity, and thus can perform ethylene oligomerization with excellent efficiency.
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公开(公告)号：EP3943516A1
公开(公告)日：2022-01-26
申请号：EP20896680.4
申请日：2020-12-04
申请人： LG CHEM, LTD.
发明人： JO, Dong Hyun , HEO, Seong Beom , KIM, Won Hee , LEE, Jin , CHOI, Gyeong Shin , KIM, Hee Jeong
摘要： The present invention relates to a catalyst composition including an oxonium ion-based catalyst and an additive, and a method for preparing polyisobutene using the same:
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