Amido-benzoquinone catalyst systems and processes thereof

Patent metadata

Field	Value
Publication number	US-11091567-B2
Application number	US-202016816507-A
Country	US
Kind code	B2
Filing date	Mar 12, 2020
Priority date	Apr 15, 2019
Publication date	Aug 17, 2021
Grant date	Aug 17, 2021

Abstract

The present disclosure relates to amido-benzoquinone transition metal complexes, catalyst systems including amido-benzoquinone transition metal complexes, and polymerization processes to produce polyolefin polymers such as polyethylene-based polymers and polypropylene-based polymers.

First claim

What is claimed is:

1. A catalyst system comprising a catalyst compound and an activator, wherein the catalyst compound is represented by Formula (I):

wherein:
M is a group 8, 9, or 10 transition metal;
L is a Lewis base;
j is 0, 1, or 2;
X is an anionic ligand;
k is 0, 1, or 2; and
R 1 , R 2 , R 3 , and R 4 are independently selected from hydrogen, substituted or unsubstituted C 1 -C 30 hydrocarbyl, —CN, —NR′ 2 , —OR′, halogen, —NO 2 , —SiR′ 3 , five-, six-, or seven-membered heterocyclyl (where each R′ is independently hydrogen, C 1 -C 30 hydrocarbyl, and R′ is optionally substituted by halogen, or two R′ radicals optionally bond to form a five- or six-membered ring), or —SiR″ 3 , —SiR″ 2 (OR′″), —SiR″(OR′″) 2 , or —Si(OR′″) 3 (where each R″ and R′ is independently hydrogen, C 1 -C 30 hydrocarbyl, or two R″ radicals optionally bond to form a five- or six-membered ring);
where R 1 , R 2 , R 3 , and R 4 are optionally substituted by halogen, —NO 2 , —CN, —CF 3 , —CF 2 CF 3 , —CH 2 CF 3 , —NR′ 2 , —OR′, —OSi(OR′) 3 , where each R′ is independently hydrogen, C 1 -C 30 hydrocarbyl, and R′ is optionally substituted by halogen, or two R′ radicals optionally bond to form a five- or six-membered ring, or —SiR″ 3 where each R″ is independently hydrogen, C 1 -C 30 hydrocarbyl, or two R″ radicals optionally bond to form a five- or six-membered ring; and
the activator is represented by the Formula (II):

wherein:
M′ is selected from boron, aluminum, or gallium;
E 1 , E 2 , and E 3 are oxygen;
R a , R b , and R c are independently a C 1 -C 22 -alkyl, C 2 -C 22 -alkenyl, C 6 -C 22 -aryl, arylalkyl where alkyl has from 1 to 10 carbon atoms and aryl has from 6 to 30 carbon atoms, alkylaryl where alkyl has from 1 to 10 carbon atoms and aryl has from 6 to 30 carbon atoms, a support material, or two or more of R a , R b , and R c are optionally bonded to form a five-, six- or seven-membered carbocyclic or heterocyclic ring, the heterocyclic ring being at least one atom selected from the group consisting of N, P, O and S;
where R a , R b , and R c are optionally substituted by halogen, —NO 2 , —CF 3 , —CF 2 CF 3 , —CH 2 CF 3 , —NR′ 2 , —OR′(where each R′ is independently hydrogen, C 1 -C 22 -hydrocarbyl, and R′ is optionally substituted by halogen, or two R′ radicals optionally bond to form a five- or six-membered ring), or —SiR″ 3 (where each R″ is independently hydrogen, C 1 -C 22 -hydrocarbyl, or two R″ radicals optionally bond to form a five- or six-membered ring);
w is 1;
y is 1; and
z is 1.

2. The catalyst system of claim 1 , wherein M is selected from Ni, Fe, or Co.

3. The catalyst system of claim 1 , wherein M is Ni.

4. The catalyst system of claim 1 , wherein X is selected from a halogen, alkoxy, methyl, ethyl, propyl, benzyl, phenyl, or naphthyl.

5. The catalyst system of claim 1 , wherein X is a phenyl.

6. The catalyst system of claim 1 , wherein L is an imine, an amine, a phosphine, a nitrile, an ether, a thioether, a sulfoxide, or a carbene.

7. The catalyst system of claim 1 , wherein L is a phosphine.

8. The catalyst system of claim 1 , wherein L is triphenylphosphine.

9. The catalyst system of claim 1 , wherein R 3 and R 4 together form an aryl.

10. The catalyst system of claim 1 , wherein R 1 is an aryl.

11. The catalyst system of claim 1 , wherein R 1 comprises a 2,6-substituted aryl.

12. The catalyst system of claim 11 , wherein the 2,6 substituted aryl is a 2,4,6-substituted aryl.

13. The catalyst system of claim 1 , wherein R 1 is 2,6-(diphenylmethyl)-4-methylphenyl.

14. The catalyst system of claim 1 , wherein R 2 is a hydrogen.

15. The catalyst system of claim 1 , wherein M′ is aluminum.

16. The catalyst system of claim 1 , wherein the catalyst represented by Formula (I) is one of the following:

17. The catalyst system of claim 1 , wherein the catalyst represented by Formula (I) is selected from:

18. The catalyst system of claim 1 , wherein the catalyst represented by Formula (I) is one of the following:

19. The catalyst system of claim 1 , wherein R a , R b , and R c have the same chemical structure.

20. The catalyst system of claim 1 , wherein R a , R b , and R c are perfluorophenyl.

21. The catalyst system of claim 1 , wherein at least one of R a , R b , or R c silica or alumina.

22. The catalyst system of claim 1 , further comprising a physical support material.

23. The catalyst system of claim 22 , wherein the physical support material is Al 2 O 3 , ZrO 2 , SiO 2 , TiO 2 , silica clay, silicon oxide/clay, or mixture(s) thereof.

24. A process for the production of an ethylene polymer comprising: polymerizing ethylene and optionally at least one C 3 -C 20 alpha-olefin by contacting the ethylene and the optional C 3 -C 20 alpha-olefin with the catalyst system of claim 1 in a gas phase reactor at a reactor pressure of from 0.7 to 70 bar and a reactor temperature of from 20° C. to 150° C. to form an ethylene polymer.

25. The process of claim 24 , wherein the catalyst has a productivity from 5,000 gPmmol −1 hr −1 to 100,000 gPmmol −1 hr −1 .

26. The process of claim 24 , wherein the catalyst has an activity from 50,000 gP/mmolCat/hour to 300,000 gP/mmolCat/hour.

27. The catalyst system of claim 1 , wherein the activator is one or more of

Assignees

• Exxonmobil Chemical Patents Inc

Inventors

• Lin Tzu-Pin
• Luo Lubin
• Carpenter Alex E
• Culcu Gursu
• Faler Catherine A
• Cai Irene C
• Hagadorn John R
• Canich Jo Ann M

Classifications

• C08F10/02 Primary

  Ethene · CPC title

• C08F110/02

  Ethene · CPC title

• C08F4/61912

  in combination with an organoaluminium compound · CPC title

• C08F4/025

  Metal oxides · CPC title

• C08F4/60048 Primary

  NO · CPC title