Ligand compound, transition metal compound, and catalyst composition including the same

Patent metadata

Field	Value
Publication number	US-11274113-B2
Application number	US-201916643205-A
Country	US
Kind code	B2
Filing date	Jan 11, 2019
Priority date	Jan 12, 2018
Publication date	Mar 15, 2022
Grant date	Mar 15, 2022

Abstract

The present invention provides a novel ligand compound, a transition metal compound and a catalyst composition including the same.

First claim

The invention claimed is:

1. A transition metal compound represented by the following Formula 1:

X is O, S or a single bond;
M is a transition metal in group 4;
Q 1 and Q 2 are each independently hydrogen; a halogen group; an alkyl group of 1 to 20 carbon atoms; a cycloalkyl group of 3 to 20 carbon atoms; an alkenyl group of 2 to 20 carbon atoms; an aryl group of 6 to 20 carbon atoms; an alkylaryl group of 7 to 20 carbon atoms; an arylalkyl group of 7 to 20 carbon atoms; an alkylamino group of 1 to 20 carbon atoms; or an arylamino group of 6 to 20 carbon atoms,
R 1 to R 4 are each independently hydrogen; a silyl group; an alkyl group of 1 to 20 carbon atoms; an alkenyl group of 2 to 20 carbon atoms; a cycloalkyl group of 3 to 20 carbon atoms; an aryl group of 6 to 20 carbon atoms; an alkylaryl group of 7 to 20 carbon atoms; an arylalkyl group of 7 to 20 carbon atoms; or a metalloid radical of a metal in group 14, which is substituted with a hydrocarbyl group of 1 to 20 carbon atoms, where adjacent two or more among R 1 to R 4 are optionally connected with each other to form an aliphatic ring of 3 to 20 carbon atoms, an aromatic ring of 6 to 20 carbon atoms or a heteroaromatic ring of 4 to 20 carbon atoms,
provided that when X is a single bond, adjacent two or more among R 1 to R 4 are connected with each other to form a heteroaromatic ring of 4 to 20 carbon atoms; and
R 5 to R 11 are each independently hydrogen; a silyl group; a halogen group; an alkyl group of 1 to 20 carbon atoms; an alkenyl group of 2 to 20 carbon atoms; a cycloalkyl group of 3 to 20 carbon atoms; an aryl group of 6 to 20 carbon atoms; an arylalkyl group of 7 to 20 carbon atoms; an alkylaryl group of 7 to 20 carbon atoms; an alkoxy group of 1 to 20 carbon atoms; or an aryloxy group of 6 to 20 carbon atoms; where adjacent two or more among R 5 to R 11 are optionally connected with each other to form an aliphatic ring of 3 to 20 carbon atoms, or an aromatic ring of 6 to 20 carbon atoms.

2. The transition metal compound according to claim 1 , wherein
X is O, S or a single bond,
M is a transition metal in group 4,
Q 1 and Q 2 are each independently hydrogen or an alkyl group of 1 to 12 carbon atoms,
R 1 to R 4 are each independently hydrogen, an alkyl group of 1 to 12 carbon atoms or an aryl group of 6 to 12 carbon atoms, where adjacent two or more among Ru to R4 are optionally connected with each other to form an aliphatic ring of 3 to 20 carbon atoms, an aromatic ring of 6 to 20 carbon atoms or a heteroaromatic ring of 4 to 20 carbon atoms,
provided that when X is a single bond, adjacent two or more among R 1 to R 4 are connected with each other to form a heteroaromatic ring of 4 to 20 carbon atoms, and
R 5 to R 11 are each independently hydrogen, an alkyl group of 1 to 12 carbon atoms or an aryl group of 6 to 12 carbon atoms.

3. The transition metal compound according to claim 1 , wherein
X is O, or S,
M is a transition metal in group 4,
Q 1 and Q 2 are each independently hydrogen or an alkyl group of 1 to 12 carbon atoms, and
R 1 to R 11 are each independently hydrogen, an alkyl group of 1 to 12 carbon atoms or an aryl group of 6 to 12 carbon atoms.

4. The transition metal compound according to claim 1 , wherein the transition metal compound is represented by the following Formula 1-1:

in Formula 1-1, X is O, S or a single bond,
M is a transition metal in group 4,
Q 1 and Q 2 are each independently hydrogen or an alkyl group of 1 to 12 carbon atoms, and
R 1 , R 2 and R 5 to R 13 are each independently hydrogen, an alkyl group of 1 to 12 carbon atoms or an aryl group of 6 to 12 carbon atoms, where R 12 and R 13 are optionally connected with each other to form an aliphatic ring of 3 to 18 carbon atoms or an aromatic ring of 6 to 18 carbon atoms, and the aliphatic ring or the aromatic ring is optionally substituted with a halogen group, an alkyl group of 1 to 12 carbon atoms, an alkenyl group of 2 to 12 carbon atoms, or an aryl group of 6 to 12 carbon atoms.

5. The transition metal compound according to claim 1 , wherein
X is a single bond,
M is a transition metal in group 4,
Q 1 and Q 2 are each independently hydrogen or an alkyl group of 1 to 12 carbon atoms,
R 1 to R 4 are each independently hydrogen, an alkyl group of 1 to 12 carbon atoms or an aryl group of 6 to 12 carbon atoms, where adjacent two or more among R 1 to R 4 are optionally connected with each other to form an aliphatic ring of 3 to 20 carbon atoms, an aromatic ring of 6 to 20 carbon atoms or a heteroaromatic ring of 4 to 20 carbon atoms,
provided that when X is a single bond, adjacent two or more among R 1 to R 4 are connected with each other to form a heteroaromatic ring of 4 to 20 carbon atoms, and
R 5 to R 11 are each independently hydrogen, an alkyl group of 1 to 12 carbon atoms or an aryl group of 6 to 12 carbon atoms.

6. The transition metal compound according to claim 1 , wherein
X is O or S,
M is a transition metal in group 4,
Q 1 and Q 2 are each independently hydrogen or an alkyl group of 1 to 12 carbon atoms,
R 1 to R 4 are each independently hydrogen, an alkyl group of 1 to 12 carbon atoms or an aryl group of 6 to 12 carbon atoms, where adjacent two or more among R 1 to R 4 are optionally connected with each other to form an aliphatic ring of 3 to 20 carbon atoms, an aromatic ring of 6 to 20 carbon atoms or a heteroaromatic ring of 4 to 20 carbon atoms, and
R 5 to R 11 are each independently hydrogen, an alkyl group of 1 to 12 carbon atoms or an aryl group of 6 to 12 carbon atoms.

7. The transition metal compound according to claim 1 , wherein the transition metal compound is selected from the group consisting of the following structures:

8. A catalyst composition for preparing polyolefin, the catalyst composition comprising the transition metal compound according to claim 1 .

9. The catalyst composition according to claim 8 , further comprising one or more kinds of cocatalysts.

10. The catalyst composition according to claim 9 , wherein the cocatalyst comprises one or more compounds selected from the following Formulae 4 to 6:
—[Al(R 12 )—O] a —  [Formula 4]

where each R 12 is independently a halogen group; a hydrocarbyl group of 1 to 20 carbon atoms; or a halogen-substituted hydrocarbyl group of 1 to 20 carbon atoms; and a is an integer of 2 or more;
D(R 13 ) 3   [Formula 5]

where D is aluminum or boron; and each R 13 is independently a halogen group; a hydrocarbyl group of 1 to 20 carbon atoms; or a halogen-substituted hydrocarbyl group of 1 to 20 carbon atoms;
[L—H] + [Z(A) 4 ] − or [L] + [Z(A) 4 ] −   [Formula 6]

where L is a neutral or a cationic Lewis acid; H is a hydrogen atom; Z is an element in group 13; and each A is independently an aryl group of 6 to 20 carbon atoms or an alkyl group of 1 to 20 carbon atoms, where one or more hydrogen atoms are optionally substituted with a substituent; wherein the substituent is a halogen group, a hydrocarbyl group of 1 to 20 carbon atoms, an alkoxy group of 1 to 20 carbon atoms, or an aryloxy group of 6 to 20 carbon atoms.

11. A method of preparing polyolefin, comprising contacting an olefin monomer with a catalyst composition according to claim 8 .

12. The method of preparing polyolefin ac

Assignees

• Lg Chemical Ltd

Inventors

• Han Ki Won
• Kim A Rim
• Jung Seung Hwan

Classifications

• C07D417/04

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

• C07D413/04

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

• C07D409/04

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

• C07D265/38

  [b, e]-condensed with two six-membered rings · CPC title

• C07D209/86

  with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system · CPC title