公开(公告)号：US20250136728A1

公开(公告)日：2025-05-01

申请号：US18836099

申请日：2023-11-13

Applicant: LG Chem, Ltd.

Inventor： Byung Seok Kim ,  Minyoung Kang ,  Sung Min Lee ,  Jinyoung Lee ,  Donghyeon Gwon ,  Yoonchul Jung ,  Chaeeun Lee ,  Seyoung Kim ,  Chang Woan Han ,  Youngkook kim ,  Dong Hyun Kim ,  Suhyeon Lee

IPC: C08F210/02

Abstract: Provided are a hybrid metallocene catalyst comprising a first transition metal compound represented by Formula 1; and a second transition metal compound represented by Formula 2, which is useful in the preparation of a polyethylene having excellent impact strength and haze properties, and a method of preparing the polyethylene using the same: wherein Formulas 1 and 2 are described herein.

公开(公告)号：US20220213303A1

公开(公告)日：2022-07-07

申请号：US17602495

申请日：2020-06-11

Applicant: LG Chem, Ltd.

Inventor： Byung Seok Kim ,  Insun Lee ,  Seok Hwan Kim ,  Jung Won Lee ,  Donghyeon Gwon ,  Seyoung Kim ,  Heekwang Park ,  Jihwa Ye

IPC: C08L23/16 ,  C08F4/6592 ,  C08F210/06

Abstract: The present disclosure relates to a propylene-ethylene random copolymer for high transparency injection that has a low total volatile organic compound emission (TVOC), excellent processability, and maximizing ethylene content.

公开(公告)号：US20220185916A1

公开(公告)日：2022-06-16

申请号：US17432205

申请日：2020-03-04

Applicant: LG Chem, Ltd.

Inventor： Byung Seok Kim ,  Insun Lee ,  Seok Hwan Kim ,  Jung Won Lee ,  Donghyeon Gwon ,  Sangjin Jeon ,  Seyoung Kim ,  Heekwang Park

IPC: C08F4/6592 ,  C08F4/659 ,  C08F2/38 ,  C08F110/06

Abstract: The present disclosure relates to a novel transition metal compound represented by the following Chemical Formula 1, which exhibits excellent catalytic activity for propylene polymerization, and is useful in the preparation of a polypropylene having a narrow molecular weight distribution and a high melting point, a catalyst composition including the same, and a method for preparing a polypropylene using the same, wherein M, X1, X2, and R1 to R8 are described herein.

公开(公告)号：US20210332075A1

公开(公告)日：2021-10-28

申请号：US17264593

申请日：2020-06-10

Applicant: LG Chem, Ltd.

Inventor： Insun Lee ,  Seok Hwan Kim ,  Byung Seok Kim ,  Donghyeon Gwon ,  Seyoung Kim

IPC: C07F17/00 ,  C08F110/06 ,  B01J31/22 ,  C08F4/16

Abstract: Provided are a novel transition metal compound of the following Chemical Formula 1 that exhibits excellent catalytic activity, allows formation of a macromonomer which is a polymer in which a double bond is formed at the end of a chain, and improves a melt strength characteristic when used in polymerizing polypropylene, and a method of preparing a polypropylene using the same. wherein A, M, R1 to R10, X1 and X2, Y1 and Y2 and m are described herein.

公开(公告)号：US20250144607A1

公开(公告)日：2025-05-08

申请号：US18836981

申请日：2023-11-13

Applicant: LG Chem, Ltd.

Inventor： Byung Seok Kim ,  Minyoung Kang ,  Sung Min Lee ,  Jinyoung Lee ,  Donghyeon Gwon ,  Yoonchul Jung ,  Chaeeun Lee ,  Seyoung Kim ,  Chang Woan Han ,  Seok Bin Hong ,  Youngkook Kim ,  Dong Hyun Kim ,  Suhyeon Lee

IPC: B01J31/12 ,  C08F4/6592 ,  C08F210/16

Abstract: Provided are a hybrid metallocene catalyst comprising a first transition metal compound represented by Formula 1; and a second transition metal compound represented by Formula 2, which is useful in the preparation of a polyethylene exhibiting a high dart drop impact strength property along with excellent processability, and a method of preparing the polyethylene using the same: wherein Formulas 1 and 2 are described herein.

公开(公告)号：US12134674B2

公开(公告)日：2024-11-05

申请号：US17432205

申请日：2020-03-04

Applicant: LG Chem, Ltd.

Inventor： Byung Seok Kim ,  Insun Lee ,  Seok Hwan Kim ,  Jung Won Lee ,  Donghyeon Gwon ,  Sangjin Jeon ,  Seyoung Kim ,  Heekwang Park

IPC: C07F17/00 ,  C08F2/38 ,  C08F4/659 ,  C08F4/6592 ,  C08F110/06

Abstract: The present disclosure relates to a novel transition metal compound represented by the following Chemical Formula 1, which exhibits excellent catalytic activity for propylene polymerization, and is useful in the preparation of a polypropylene having a narrow molecular weight distribution and a high melting point, a catalyst composition including the same, and a method for preparing a polypropylene using the same, wherein M, X1, X2, and R1 to R8 are described herein.

公开(公告)号：US20220056163A1

公开(公告)日：2022-02-24

申请号：US17438185

申请日：2020-08-14

Applicant: LG Chem, Ltd.

Inventor： Sanghoon Lee ,  Sangeun An ,  Seok Hwan Kim ,  Daesik Hong ,  Donghyeon Gwon

IPC: C08F4/6592 ,  C08F2/38 ,  C08F110/06 ,  C08F4/646

Abstract: The hybrid supported metallocene catalyst according to the present disclosure comprises at least one first metallocene compound selected from compounds represented by the following Chemical Formula 1; and at least one second metallocene compound selected from compounds represented by the following Chemical Formula 3, and exhibits high activity in propylene polymerization and is useful for preparing polypropylene having high melt tension through the introduction of long chain branches (LCB) into polypropylene molecules, and a method for preparing a polypropylene using the same, wherein all the variables are described herein.

公开(公告)号：US12258432B2

公开(公告)日：2025-03-25

申请号：US17438185

申请日：2020-08-14

Applicant: LG Chem, Ltd.

Inventor： Sanghoon Lee ,  Sangeun An ,  Seok Hwan Kim ,  Daesik Hong ,  Donghyeon Gwon

IPC: C08F4/6592 ,  C08F2/38 ,  C08F4/646 ,  C08F110/06

Abstract: The hybrid supported metallocene catalyst according to the present disclosure comprises at least one first metallocene compound selected from compounds represented by the following Chemical Formula 1; and at least one second metallocene compound selected from compounds represented by the following Chemical Formula 3, and exhibits high activity in propylene polymerization and is useful for preparing polypropylene having high melt tension through the introduction of long chain branches (LCB) into polypropylene molecules, and a method for preparing a polypropylene using the same, wherein all the variables are described herein.

公开(公告)号：US12098158B2

公开(公告)日：2024-09-24

申请号：US17422998

申请日：2020-03-04

Applicant: LG Chem, Ltd.

Inventor： Insun Lee ,  Seok Hwan Kim ,  Byung Seok Kim ,  Donghyeon Gwon ,  Sangjin Jeon ,  Seyoung Kim

IPC: C07F17/00 ,  C08F4/6592 ,  C08F4/76 ,  C08F210/06

CPC classification number: C07F17/00 ,  C08F4/65927 ,  C08F4/76 ,  C08F210/06

Abstract: The present disclosure relates to a novel transition metal compound of the following Chemical Formula 1, which exhibits high hydrogen reactivity with excellent catalytic activity for propylene polymerization, and is useful in the preparation of a polypropylene having a narrow molecular weight distribution and a low melting point, a catalyst composition including the same, and a method for preparing a polypropylene using the same,






wherein M, X1, X2, R1 to R9 are described herein.

公开(公告)号：US12065560B2

公开(公告)日：2024-08-20

申请号：US17602495

申请日：2020-06-11

Applicant: LG Chem, Ltd.

Inventor： Byung Seok Kim ,  Insun Lee ,  Seok Hwan Kim ,  Jung Won Lee ,  Donghyeon Gwon ,  Seyoung Kim ,  Heekwang Park ,  Jihwa Ye

IPC: C08F210/16 ,  C08F4/6592 ,  C08F210/06 ,  C08L23/16 ,  C08F210/02

CPC classification number: C08L23/16 ,  C08F4/65927 ,  C08F210/06 ,  C08F210/16 ,  C08F210/02 ,  C08F2500/12 ,  C08F2500/27 ,  C08F2500/33 ,  C08F2500/34 ,  C08F2800/20 ,  C08L2201/10 ,  C08L2203/30

Abstract: The present disclosure relates to a propylene-ethylene random copolymer for high transparency injection that has a low total volatile organic compound emission (TVOC), excellent processability, and maximizing ethylene content.