Ligand compound, catalyst system for olefin oligomerization, and method for olefin oligomerization using the same

Patent metadata

Field	Value
Publication number	US-9409833-B2
Application number	US-201414651152-A
Country	US
Kind code	B2
Filing date	Aug 28, 2014
Priority date	Nov 19, 2013
Publication date	Aug 9, 2016
Grant date	Aug 9, 2016

Abstract

This disclosure relates to a novel ligand compound that can oligomerize ethylene with high catalyst activity and selectivity, a catalyst system for olefin oligomerization including the same, and a method for olefin oligomerization using the same.

First claim

The invention claimed is:

1. A ligand compound represented by the following Chemical Formula 1:

wherein, in Chemical Formula 1,
X is R 1 —N, O, or S,
R 1 is a C1-20 alkyl group, a C6-40 aryl group, a C3-30 heteroaryl group, an arylalkyl group, optionally containing at least one heteroatom selected from N, O, F, S, and P, or hydrogen,
R 2 to R 5 are independently a C6-40 aryl group, and
R 6 and R 7 are H or a C1-20 alkyl group.

2. The ligand compound according to 1 , wherein the ligand compound represented by Chemical Formula 1 is selected from the group consisting of

Assignees

• Lg Chemical Ltd

Inventors

• Shin Eun Ji
• Lee Yong Ho
• Lee Ki Soo
• Sa Seok Pil

Classifications

• C07F9/572

  Five-membered rings · CPC title

• B01J31/188 Primary

  Amide derivatives thereof · CPC title

• C07C2/32 Primary

  as complexes, e.g. acetyl-acetonates {(complexes of salts of acids of halogen C07C2/20)} · CPC title

• C07C2531/14

  of aluminium or boron · CPC title

• B01J2231/20

  Olefin oligomerisation or telomerisation · CPC title