Transition metal compound for olefin polymerization catalyst, and olefin polymerization catalyst including same

Patent metadata

Field	Value
Publication number	US-11254759-B2
Application number	US-201916770301-A
Country	US
Kind code	B2
Filing date	Mar 15, 2019
Priority date	May 10, 2018
Publication date	Feb 22, 2022
Grant date	Feb 22, 2022

Abstract

The present invention relates to a transition metal compound for an olefin polymerization catalyst, the transition metal compound being represented by chemical formula 1. The description of chemical formula 1 is as defined in the specification.

First claim

What is claimed is:

1. A transition metal compound for an olefin polymerization catalyst represented by the following chemical formula 1:

In chemical formula 1,
M is titanium (Ti), zirconium (Zr) or hafnium (Hf),
Q is each independently halogen, a C 1-20 alkyl group, a C 2-20 alkenyl group, a C 2-20 alkynyl group, a C 6-20 aryl group, a C 1-20 alkyl C 6-20 aryl group, a C 6-20 aryl C 1-20 alkyl group, a C 1-20 alkylamido group, a C 6-20 arylamido group or a C 1-20 alkylidene group,
X is nitrogen (N) or phosphorus (P),
R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 and R 11 are each independently hydrogen, a C 1-20 alkyl group, a C 2-20 alkenyl group, a C 2-20 alkynyl group, a C 6-20 aryl group, a C 1-20 alkyl C 6-20 aryl group, a C 6-20 aryl C 1-20 alkyl group, a C 1-20 alkylamido group, a C 6-20 arylamido group or a C 1-20 alkylidene group,
R 12 and R 13 are each independently a C 1-20 alkyl group, a C 2-20 alkenyl group, a C 2-20 alkynyl group, a C 6-20 aryl group, a C 1-20 alkyl C 6-20 aryl group, a C 6-20 aryl C 1-20 alkyl group, a C 1-20 alkylamido group, a C 6-20 arylamido group or a C 1-20 alkylidene group, or are linked to each other to form a substituted or unsubstituted C 4-20 ring.

2. The transition metal compound of claim 1 ,
wherein Q is each independently halogen or a C 1-20 alkylamido group,
wherein R 1 , R 2 , R 3 and R 4 are each independently hydrogen,
wherein R 5 , R 6 , R 7 , R 8 , R 9 , R 10 and R 11 are each independently hydrogen, a C 1-20 alkyl group, a phenyl group or a t-butyl group,
wherein R 12 and R 13 are each independently phenyl group or a C 1-20 alkyl group, or linked to each other to form a substituted or unsubstituted C 4-20 ring.

3. The transition metal compound of claim 2 ,
wherein R 12 and R 13 are each independently a phenyl group or a methyl group or linked to each other to form an aliphatic C 4-6 ring.

4. The transition metal compound of claim 2 ,
wherein R 5 , R 6 , R 7 , R 8 , R 9 , R 10 and R 11 are each independently hydrogen, a phenyl group, a methyl group or a t-butyl group.

5. The transition metal compound of claim 3 ,
wherein chemical formula 1 is selected from chemical formulas 1-1 to 1-23:

6. An olefin polymerization catalyst comprising:
a transition metal compound for an olefin polymerization catalyst represented by the following chemical formula 1; and
a cocatalyst compound,

In the chemical formula 1,
M is any one of titanium (Ti), zirconium (Zr) and hafnium (Hf),
Q is each independently halogen, a C 1-20 alkyl group, a C 2-20 alkenyl group, a C 2-20 alkynyl group, a C 6-20 aryl group, a C 1-20 alkyl C 6-20 aryl group, a C 6-20 aryl C 1-20 alkyl group, a C 1-20 alkylamido group, a C 6-20 arylamido group or a C 1-20 alkylidene group,
X is nitrogen (N) or phosphorus (P),
R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 and R 11 are each independently hydrogen, a C 1-20 alkyl group, a C 2-20 alkenyl group, a C 2-20 alkynyl group, a C 6-20 aryl group, a C 1-20 alkyl C 6-20 aryl group, a C 6-20 aryl C 1-20 alkyl group, a C 1-20 alkylamido group, a C 6-20 arylamido group or a C 1-20 alkylidene group,
R 12 and R 13 are each independently a C 1-20 alkyl group, a C 2-20 alkenyl group, a C 2-20 alkynyl group, a C 6-20 aryl group, a C 1-20 alkyl C 6-20 aryl group, a C 6-20 aryl C 1-20 alkyl group, a C 1-20 alkylamido group, a C 6-20 arylamido group or a C 1-20 alkylidene group, or are linked to each other to form a substituted or unsubstituted C 4-20 ring.

7. The olefin polymerization catalyst of claim 6 ,
wherein the cocatalyst compound comprises at least any one of compounds represented by the following chemical structure formulas 2 to 4:

In the chemical formula 2,
n is an integer of 2 or more,
R a is a halogen atom, a C 1-20 hydrocarbon group or a C 1-20 hydrocarbon group substituted with halogen,

In the chemical formula 3,
D is aluminum (Al) or boron (B),
R b , R c and R d are each independently a halogen atom, a C 1-20 hydrocarbon group, a C 1-20 hydrocarbon group substituted with halogen, or a C 1-20 alkoxy group,
[L-H] + [Z(A) 4 ] − or [L] + [Z(A) 4 ] −   <chemical formula 4>

In the chemical formula 4,
L is a neutral or cationic Lewis base,
[L-H] + and [L] + are Brønsted acids,
Z is a group 13 element,
A is each independently a substituted or unsubstituted C 6-20 aryl group or a substituted or unsubstituted C 1-20 alkyl group.

8. The olefin polymerization catalyst of claim 6 ,
wherein Q is each independently halogen or a C 1-20 alkylamido group,
wherein R 1 , R 2 , R 3 and R 4 are each independently hydrogen,
wherein R 5 , R 6 , R 7 , R 8 , R 9 , R 10 and R 11 are each independently hydrogen, a C 1-20 alkyl group, a phenyl group or a t-butyl group,
wherein the R 12 and R 13 are each independently a phenyl group or a C 1-20 alkyl group, or are linked to each other to form a substituted or unsubstituted C 4-20 ring.

9. The olefin polymerization catalyst of claim 8 ,
wherein R 12 and R 13 are each independently a phenyl group or a methyl group or linked to each other to form an aliphatic C 4-6 ring.

10. The olefin polymerization catalyst of claim 8 ,
wherein R 5 , R 6 , R 7 , R 8 , R 9 , R 10 and R 11 are each independently hydrogen, a phenyl group, a methyl group or a t-butyl group.

11. The olefin polymerization catalyst of claim 9 ,
wherein the chemical formula 1 is selected from the following chemical formulas 1-1 to 1-23:

12. The transition metal compound of claim 4 ,
wherein the chemical formula 1 is selected from the following chemical formulas 1-1 to 1-23:

13. The olefin p

Assignees

• Hanwha Solutions Corp

Inventors

• Park Na Young
• Lee Hyung Seung
• Piao Lan Hua
• Park Seong Yeon
• Jeong Wook

Classifications

• C08F4/642

  Component covered by group C08F4/64 with an organo-aluminium compound {(C08F4/64003 - C08F4/64196 take precedence)} · CPC title

• C08F2420/09

  Cyclic bridge, i.e. Cp or analog where the bridging unit linking the two Cps or analogs is part of a cyclic group · CPC title

• C08F4/649

  organic · CPC title

• C08F210/16

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

• C08F4/6592

  containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring · CPC title