公开(公告)号：US11370851B2

公开(公告)日：2022-06-28

申请号：US17251026

申请日：2019-06-13

Applicant: LG Chem, Ltd.

Inventor： Byung Seok Kim ,  Insun Lee ,  Seok Hwan Kim ,  Hye Kyung Lee ,  Sangjin Jeon ,  Seyoung Kim

IPC: C08F4/6592 ,  C08F110/06 ,  C07F17/00 ,  C08F4/52 ,  C08F4/642

Abstract: The present disclosure provides a novel transition metal compound which exhibits excellent catalytic activity and is useful in the preparation of a polypropylene having high impact strength, and a method for preparing a homo polypropylene using the same.

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：US20210189025A1

公开(公告)日：2021-06-24

申请号：US17251026

申请日：2019-06-13

Applicant: LG Chem, Ltd.

Inventor： Byung Seok Kim ,  Insun Lee ,  Seok Hwan Kim ,  Hye Kyung Lee ,  Sangjin Jeon ,  Seyoung Kim

IPC: C08F4/6592 ,  C08F4/642 ,  C08F4/52 ,  C08F110/06 ,  C07F17/00

Abstract: The present disclosure provides a novel transition metal compound which exhibits excellent catalytic activity and is useful in the preparation of a polypropylene having high impact strength, and a method for preparing a homo polypropylene using the same.