Transition metal compound and catalyst composition including the same

Patent metadata

Field	Value
Publication number	US-10189916-B2
Application number	US-201615538324-A
Country	US
Kind code	B2
Filing date	Jul 1, 2016
Priority date	Jul 2, 2015
Publication date	Jan 29, 2019
Grant date	Jan 29, 2019

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.

First claim

What is claimed is:

1. A transition metal compound of the following Chemical Formula 1:

wherein, in Chemical Formula 1,
M is a group 4 transition metal;
R is selected from the group consisting of a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an arylalkyl group having 7 to 20 carbon atoms, and an alkylaryl group having 7 to 20 carbon atoms; or R and R 1 are linked to each other to form an aliphatic ring having 3 to 20 carbon atoms or an aromatic ring having 5 to 20 carbon atoms including N;
R 1 to R 10 are each independently selected from the group consisting of a hydrogen atom, a halogen group, an alkyl group having 1 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an arylalkyl group having 7 to 20 carbon atoms, an alkylaryl group having 7 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, an aryloxy group having 6 to 20 carbon atoms, a silyl group and combinations thereof, or two or more adjacent functional groups among R 1 to R 10 are linked to each other to form an aliphatic ring having 3 to 20 carbon atoms or an aromatic ring having 6 to 20 carbon atoms;
R 11 is selected from the group consisting of a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an arylalkyl group having 7 to 20 carbon atoms, an alkylaryl group having 7 to 20 carbon atoms, a silyl group, and a metalloid radical of a group 14 metal substituted with a hydrocarbyl group having 1 to 20 carbon atoms;
X 1 and X 2 are each independently selected from the group consisting of a halogen group, an alkyl group having 1 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an alkylaryl group having 7 to 20 carbon atoms, an arylalkyl group having 7 to 20 carbon atoms, an alkylamino group having 1 to 20 carbon atoms, an arylamino group having 6 to 20 carbon atoms and an alkylidene group having 1 to 20 carbon atoms;
R, R 1 to R 11 , X 1 and X 2 are each independently unsubstituted or substituted with one or more substituents selected from the group consisting of a halogen group, an alkyl group having 1 to 20 carbon atoms, a haloalkyl group having 1 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an arylalkyl group having 7 to 20 carbon atoms, an alkylaryl group having 7 to 20 carbon atoms and an aryloxy group having 6 to 20 carbon atoms;
n is an integer of 1 or 2, and when n is an integer of 2, R 11 's are the same as or different from each other; and
wherein a dashed line to the cyclopentadienyl ring represents an η5-complex with the cyclopentadienyl ring, and a solid line to the cyclopentadienyl ring represents a σ-bond to a carbon of the cyclopentadienyl ring.

2. The transition metal compound of claim 1 , wherein R is selected from the group consisting of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, an aryl group having 6 to 12 carbon atoms, an arylalkyl group having 7 to 12 carbon atoms, and an alkylaryl group having 7 to 12 carbon atoms; or R and R 1 are linked to each other to for a substituted or unsubstituted aliphatic ring having 4 to 6 carbon atoms or aromatic ring having 4 to 6 carbon atoms including N.

3. The transition metal compound of claim 1 , which is selected from the group consisting of compounds of the following Chemical Formulae 1a to 1c:

wherein, in Chemical Formulae 1a to 1c,
R 21 to R 25 are each independently selected from the group consisting of a hydrogen atom, a halogen group, an alkyl group having 1 to 20 carbon atoms, a haloalkyl group having 1 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an arylalkyl group having 7 to 20 carbon atoms, an alkylaryl group having 7 to 20 carbon atoms, and an aryloxy group having 6 to 20 carbon atoms, or two or more adjacent functional groups among R 21 to R 25 are linked to each other to form a substituted or unsubstituted aliphatic ring having 3 to 20 carbon atoms or aromatic ring having 5 to 20 carbon atoms;
R 26 is selected from the group consisting of a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an arylalkyl group having 7 to 20 carbon atoms, and an alkylaryl group having 7 to 20 carbon atoms, and R 26 is also unsubstituted or substituted with one or more substituents selected from the group consisting of a halogen group, an alkyl group having 1 to 10 carbon atoms, a haloalkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, an aryl group having 6 to 12 carbon atoms, an arylalkyl group having 7 to 12 carbon atoms, an alkylaryl group having 7 to 12 carbon atoms and an aryloxy group having 6 to 12 carbon atoms;
M, R 1 to R 11 , X 1 , X 2 , and n have the same definitions as in claim 1 ; and
wherein a dashed line to the cyclopentadienyl ring represents an η5-complex with the cyclopentadienyl ring, and a solid line to the cyclopentadienyl ring represents a σ-bond to a carbon of the cyclopentadienyl ring.

4. The transition metal compound of claim 3 , wherein M is selected from the group consisting of titanium (Ti), zirconium (Zr) and hafnium;
R 1 to R 10 are each independently selected from the group consisting of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, an aryl group having 6 to 12 carbon atoms, an arylalkyl group having 7 to 12 carbon atoms and an alkylaryl group having 7 to 12 carbon atoms, or two or more adjacent functional groups among R 1 to R 10 are linked to each other to form an aliphatic ring having 4 to 6 carbon atoms or an aromatic ring having 6 to 8 carbon atoms;
R 11 is a hydrogen atom or an alkyl group having 1 to 6 carbon atoms;
R 21 to R 25 are each independently selected from the group consisting of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, an aryl group having 6 to 12 carbon atoms, an arylalkyl group having 7 to 12 carbon atoms and an alkylaryl group having 7 to 12 carbon atoms, or two or more adjacent functional groups among R 21 to R 25 are linked to each other to form an aliphatic ring having 4 to 6 carbon atoms or an aromatic ring having 6 to 8 carbon atoms unsubstituted or substituted with one or more substituents selected from the group consisting of a halogen group, an alkyl group having 1 to 10 carbon atoms and a haloalkyl group having 1 to 10 carbon atoms;
R 26 is selected from the group consisting of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, an aryl group having 6 to 12 carbon atoms, an arylalkyl group having 7 to 12 carbon atoms, and an alkylaryl gro

Assignees

• Lg Chemical Ltd

Inventors

• Cho Yoon Hee
• Jun Jung Ho
• Gong Jin Sam
• Lee Choong Hoon
• Jung Seung Hwan

Classifications

• C08F210/16

  Copolymers of ethene with alpha-alkenes, e.g. EP rubbers · CPC title

• C07F17/00 Primary

  Metallocenes · CPC title

• C07D409/04

  directly linked by a ring-member-to-ring-member bond · CPC title

• C07D333/78

  condensed with rings other than six-membered or with ring systems containing such rings · CPC title

• C08F10/02

  Ethene · CPC title