公开(公告)号：US12234252B2

公开(公告)日：2025-02-25

申请号：US17294522

申请日：2019-11-22

Applicant: LG Chem, Ltd.

Inventor： Jae Kwon Jang ,  Seung Hyo Kim ,  Seung Hwan Jung ,  A Rim Kim

IPC: C07F7/00 ,  C08F4/6592

Abstract: A novel transition metal compound and a catalyst composition including same are disclosed herein. In some embodiments, the transition metal compound is represented by formula 1 disclosed herein. In some embodiments, the catalyst composition comprises the transition metal compound represented by formula 1. The catalyst composition may be useful for preparing an olefin-based polymer having a high molecular weight in a low density region, and may be useful for preparing an olefin-based polymer having a low melting index (MI) in high temperature conditions and a high molecular weight.

公开(公告)号：US20220024951A1

公开(公告)日：2022-01-27

申请号：US17294522

申请日：2019-11-22

Applicant: LG Chem, Ltd.

Inventor： Jae Kwon Jang ,  Seung Hyo Kim ,  Seung Hwan Jung ,  A Rim Kim

IPC: C07F7/00 ,  C08F4/6592

Abstract: A novel transition metal compound and a catalyst composition including same are disclosed herein. In some embodiments, the transition metal compound is represented by formula 1 disclosed herein. In some embodiments, the catalyst composition comprises the transition metal compound represented by formula 1. The catalyst composition may be useful for preparing an olefin-based polymer having a high molecular weight in a low density region, and may be useful for preparing an olefin-based polymer having a low melting index (MI) in high temperature conditions and a high molecular weight.

公开(公告)号：US11225495B2

公开(公告)日：2022-01-18

申请号：US16614217

申请日：2018-07-27

Applicant: LG Chem, Ltd.

Inventor： Young Shil Do ,  Jin Sam Gong ,  Eun Jung Lee ,  Choong Hoon Lee ,  Seung Hwan Jung ,  Yoon Hee Cho ,  Hyo Jung Han

IPC: C07F7/00 ,  C08F4/64 ,  C08F4/76 ,  C07F7/28 ,  C08F10/02

Abstract: 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.

公开(公告)号：US10011624B2

公开(公告)日：2018-07-03

申请号：US15327572

申请日：2015-12-24

Applicant: LG CHEM, LTD.

Inventor： Young Shil Do ,  Jin Sam Gong ,  Yun Jin Lee ,  Choong Hoon Lee ,  Seung Hwan Jung

IPC: C07F17/00 ,  C08F4/6592 ,  C08F10/00 ,  C08F210/16 ,  B01J31/38 ,  C07F7/28 ,  C08F4/659

CPC classification number: C07F17/00 ,  B01J31/38 ,  C07F7/28 ,  C08F4/65908 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/6592 ,  C08F210/16 ,  C08F2420/02 ,  C08F2420/06 ,  C08F210/14 ,  C08F2500/08 ,  C08F2500/12

Abstract: The present invention discloses a transition metal compound including a heteroatom and having a novel structure, a catalyst composition including the same, and a preparation method of a polymer using the catalyst composition. The transition metal compound according to an embodiment of the present invention may be used as a catalyst having good copolymerization properties, and a polymer having a high molecular weight at a low density region may be prepared.

公开(公告)号：US09701768B2

公开(公告)日：2017-07-11

申请号：US15021149

申请日：2014-09-29

Applicant: LG CHEM, LTD.

Inventor： Don Ho Kum ,  Choong Hoon Lee ,  Sang Eun Park ,  Seung Hwan Jung ,  Yoon Hee Cho ,  Young Shil Do ,  Hae Woong Park ,  Young Woo Lee

IPC: C08L23/08 ,  C08F4/653 ,  C08F4/6592 ,  C08F210/02 ,  C08F4/659 ,  C08F210/16

CPC classification number: C08F210/02 ,  C08F4/65904 ,  C08F4/65908 ,  C08F4/65912 ,  C08F4/6592 ,  C08F210/16 ,  C08F2420/02 ,  C08L23/0815 ,  C08F210/08 ,  C08F2500/10 ,  C08F2500/08 ,  C08F2500/12 ,  C08F2500/03 ,  C08F2500/02

Abstract: 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.

公开(公告)号：US20210340164A1

公开(公告)日：2021-11-04

申请号：US17267321

申请日：2019-12-10

Applicant: LG Chem, Ltd.

Inventor： Young Shil Do ,  A Rim Kim ,  Yun Jin Lee ,  Ki Soo Lee ,  Choong Hoon Lee ,  Seung Hwan Jung

IPC: C07F7/28 ,  C08F4/6592 ,  C08F4/659 ,  C08F210/16 ,  C08F110/02 ,  C08F110/06

Abstract: A transition metal compound having a novel structure is disclosed herein. The transition metal compound can have improved structural stability by forming a stable coordination site of a transition metal through controlling a bond angle formed by the amido group of a phenylene bridge, a cyclopentadienyl ring, and a transition metal. The transition metal compound has excellent copolymerization properties and may produce an olefin polymer having a high molecular weight in a ultra low density region.

公开(公告)号：US20210032274A1

公开(公告)日：2021-02-04

申请号：US16614217

申请日：2018-07-27

Applicant: LG Chem, Ltd.

Inventor： Young Shil Do ,  Jin Sam Gong ,  Eun Jung Lee ,  Choong Hoon Lee ,  Seung Hwan Jung ,  Yoon Hee Cho ,  Hyo Jung Han

IPC: C07F7/28 ,  C08F10/02

Abstract: A transition metal compound represented by Chemical Formula I 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.

公开(公告)号：US20200207792A1

公开(公告)日：2020-07-02

申请号：US16643205

申请日：2019-01-11

Applicant: LG Chem, Ltd.

Inventor： Ki Won Han ,  A Rim Kim ,  Seung Hwan Jung

IPC: C07F7/28 ,  C08F4/6592 ,  C08F4/642 ,  C08F4/659 ,  C08F210/16

Abstract: The present invention provides a novel ligand compound, a transition metal compound and a catalyst composition including the same.

公开(公告)号：US10590215B2

公开(公告)日：2020-03-17

申请号：US16388612

申请日：2019-04-18

Applicant: LG CHEM, LTD.

Inventor： Yoon Hee Cho ,  Jin Sam Gong ,  Jung Ho Jun ,  Choong Hoon Lee ,  Seung Hwan Jung

IPC: C07D333/76 ,  C08F210/16 ,  C07F7/00 ,  C07F7/02 ,  C07F7/28 ,  C08F4/6592 ,  C08F10/00 ,  C07F7/10 ,  C07F17/00

Abstract: 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.

公开(公告)号：US10550204B2

公开(公告)日：2020-02-04

申请号：US16213546

申请日：2018-12-07

Applicant: LG CHEM, LTD.

Inventor： Yoon Hee Cho ,  Jung Ho Jun ,  Jin Sam Gong ,  Choong Hoon Lee ,  Seung Hwan Jung

IPC: C07D333/76 ,  C07D215/02 ,  C08F4/6592 ,  C07F17/00 ,  C07F7/00 ,  C07F7/28 ,  C08F10/00 ,  C08F4/64 ,  C08F10/02 ,  C08F210/16

Abstract: 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.