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.

公开(公告)号：US20220098225A1

公开(公告)日：2022-03-31

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 ,  C08F4/76

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：US20230023983A1

公开(公告)日：2023-01-26

申请号：US17942559

申请日：2022-09-12

Applicant: LG Chem, Ltd.

Inventor： Byung Seok Kim ,  Insun Lee ,  Seok Hwan Kim ,  Hye Kyung Lee ,  Heekwang Park ,  Daesik Hong ,  Sangjin Jeon

IPC: B01J37/04 ,  C08F4/6592 ,  C08F10/06

Abstract: Provided are a method of preparing a supported metallocene catalyst, and a method of preparing polypropylene using the catalyst prepared thereby. According to the present invention, provided is a supported metallocene catalyst capable of preparing an isotactic polypropylene polymer having a low xylene soluble content while having excellent catalytic activity.

公开(公告)号：US11504706B2

公开(公告)日：2022-11-22

申请号：US16957270

申请日：2018-12-14

Applicant: LG Chem, Ltd.

Inventor： Byung Seok Kim ,  Insun Lee ,  Seok Hwan Kim ,  Hye Kyung Lee ,  Heekwang Park ,  Daesik Hong ,  Sangjin Jeon

IPC: B01J37/04 ,  C08F4/6592 ,  C08F10/06

Abstract: Provided are a method of preparing a supported metallocene catalyst, and a method of preparing polypropylene using the catalyst prepared thereby. According to the present invention, provided is a supported metallocene catalyst capable of preparing an isotactic polypropylene polymer having a low xylene soluble content while having excellent catalytic activity.

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：US11731123B2

公开(公告)日：2023-08-22

申请号：US17942559

申请日：2022-09-12

Applicant: LG Chem, Ltd.

Inventor： Byung Seok Kim ,  Insun Lee ,  Seok Hwan Kim ,  Hye Kyung Lee ,  Heekwang Park ,  Daesik Hong ,  Sangjin Jeon

IPC: C08F2/38 ,  B01J37/04 ,  C08F4/6592 ,  C08F10/06

CPC classification number: B01J37/04 ,  C08F4/65927 ,  C08F10/06

Abstract: Provided are a method of preparing a supported metallocene catalyst, and a method of preparing polypropylene using the catalyst prepared thereby. According to the present invention, provided is a supported metallocene catalyst capable of preparing an isotactic polypropylene polymer having a low xylene soluble content while having excellent catalytic activity.

公开(公告)号：US20220144983A1

公开(公告)日：2022-05-12

申请号：US17438174

申请日：2020-06-11

Applicant: LG Chem, Ltd.

Inventor： Sangeun An ,  Insun Lee ,  Seok Hwan Kim ,  Byung Seok Kim ,  Daesik Hong ,  Sanghoon Lee

IPC: C08F110/06 ,  C07F17/00

Abstract: Provided are a hybrid supported metallocene catalyst comprising one or more first metallocene compounds selected from compounds represented by the following Chemical Formula 1; one or more second metallocene compounds selected from compounds represented by the following Chemical Formula 2, and showing high activity in propylene polymerization and being usefully applied to the preparation of a polypropylene having high melt strength by introducing long chain branches into the polypropylene molecule, and a method of preparing a polypropylene using the same wherein all the variables are described herein.

公开(公告)号：US20210031180A1

公开(公告)日：2021-02-04

申请号：US16957270

申请日：2018-12-14

Applicant: LG Chem, Ltd.

Inventor： Byung Seok Kim ,  Insun Lee ,  Seok Hwan Kim ,  Hye Kyung Lee ,  Heekwang Park ,  Daesik Hong ,  Sangjin Jeon

IPC: B01J37/04 ,  C08F10/06 ,  C08F4/6592

Abstract: Provided are a method of preparing a supported metallocene catalyst, and a method of preparing polypropylene using the catalyst prepared thereby. According to the present invention, provided is a supported metallocene catalyst capable of preparing an isotactic polypropylene polymer having a low xylene soluble content while having excellent catalytic activity.

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.