Bridged phenolate transition metal complexes, production, and uses thereof

Patent metadata

Field	Value
Publication number	US-10927134-B2
Application number	US-201916550892-A
Country	US
Kind code	B2
Filing date	Aug 26, 2019
Priority date	Aug 28, 2018
Publication date	Feb 23, 2021
Grant date	Feb 23, 2021

Abstract

The present disclosure provides transition metal catalysts and the respective bridged phenolate ligands contained on the catalyst, as well as, catalyst systems and polymerization processes for producing polyolefins. The catalysts and the catalyst systems provide catalytic activity values of greater than 100 kg/mmol-hr, such as greater than 400 kg/mmol-hr or greater than 500 kg/mmol-hr.

First claim

What is claimed is:

1. A transition metal complex represented by Formula (II):

wherein:
M is a Group 4 transition metal;
each Q is independently a Group 15 atom or a Group 16 atom;
each n is independently 0 or 1, wherein n is 0 if Q is a Group 16 atom or n is 1 if Q is a Group 15 atom;
L 1 is

and is not part of an aromatic ring;
L 2 is

and is not part of an aromatic ring, wherein y is an integer of 2, 3, 4, 5, 6, 7, 8, 9, or 10;
each X 1 and X 2 is independently a substituted or unsubstituted linear, branched, cyclic, polycyclic, aromatic, or polyaromatic hydrocarbyl, a heteroatom, or a heteroatom-containing group; or X 1 and X 2 are joined together to form a C 4 -C 62 cyclic, polycyclic, heterocyclic, or aromatic group;
R 1 is a substituted or unsubstituted linear, branched, cyclic, polycyclic, heterocyclic, or aromatic C 1 -C 15 diyl;
each R 2 is independently a hydrogen, a halogen, a substituted or unsubstituted C 1 -C 40 hydrocarbyl, or a heteroatom-containing group; or two or more adjacent R 2 groups are joined together to form a C 4 -C 62 cyclic, polycyclic, or heterocyclic group that is not aromatic;
each R 3 is independently a hydrogen, a substituted or unsubstituted linear, branched, cyclic, polycyclic, aromatic, or polyaromatic C 1 -C 40 hydrocarbyl, or a heteroatom-containing group; and
each R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , and R 11 is independently a hydrogen, a halogen, a substituted or unsubstituted linear, branched, cyclic, polycyclic, aromatic, or polyaromatic C 1 -C 40 hydrocarbyl, or a heteroatom-containing group; or two or more adjacent R 4 -R 11 groups are joined together to form a C 4 -C 62 cyclic, polycyclic, heterocyclic, or aromatic group.

2. The transition metal complex of claim 1 , wherein M is Hf or Zr.

3. The transition metal complex of claim 1 , wherein Q is O, N, S, or P.

4. The transition metal complex of claim 1 , wherein Q is N, and wherein each R 3 is independently a hydrogen or a substituted or unsubstituted C 1 -C 10 hydrocarbyl.

5. The transition metal complex of claim 1 , wherein each R 2 is independently a hydrogen or a substituted or unsubstituted C 1 -C 10 hydrocarbyl.

6. The transition metal complex of claim 1 , wherein each R 2 is independently a hydrogen or a substituted or unsubstituted C 1 -C 5 hydrocarbyl, and wherein y is an integer of 2, 3, 4, or 5.

7. The transition metal complex of claim 1 , wherein each R 2 on L 1 and L 2 is independently a hydrogen or a substituted or unsubstituted C 1 -C 3 hydrocarbyl, and wherein y is an integer of 2 or 3.

8. The transition metal complex of claim 1 , wherein L 1 is an unsubstituted methanediyl and L 2 is an unsubstituted ethanediyl.

9. The transition metal complex of claim 1 , wherein each X 1 and X 2 is independently a substituted or unsubstituted C 1 -C 20 hydrocarbyl.

10. The transition metal complex of claim 1 , wherein each X 1 and X 2 is independently a substituted or unsubstituted C 1 -C 8 alkyl, a phenyl, a benzyl, a cyclohexyl, or halide-substituted analogues thereof.

11. The transition metal complex of claim 1 , wherein each X 1 and X 2 is independently a halide.

12. The transition metal complex of claim 1 , wherein R 1 is a substituted or unsubstituted linear, branched, cyclic, polycyclic, heterocyclic, or aromatic C 1 -C 10 diyl.

13. The transition metal complex of claim 1 , wherein R 1 is a substituted or unsubstituted linear or branched C 1 -C 6 diyl.

14. The transition metal complex of claim 1 , wherein R 1 is an unsubstituted ethanediyl.

15. The transition metal complex of claim 1 , wherein each R 4 and R 8 is independently halogen, carbazolyl, fluorenyl, adamantyl, indolyl, indolinyl, imidazolyl, indenyl, indanyl, or substituted analogues thereof.

16. The transition metal complex of claim 1 , wherein R 4 is carbazolyl, fluorenyl, adamantyl, or substituted analogues thereof, and R 8 is halogen.

17. The transition metal complex of claim 1 , wherein each R 5 , R 6 , R 7 , R 9 , R 10 , and R 11 is independently a hydrogen or a substituted or unsubstituted linear or branched C 1 -C 10 hydrocarbyl.

18. The transition metal complex of claim 1 , wherein each R 5 , R 7 , R 9 , and R 11 is a hydrogen and each R 6 and R 10 is a substituted or unsubstituted linear or branched C 1 -C 4 hydrocarbyl.

19. A catalyst system comprising an activator and the transition metal complex of claim 1 .

20. The catalyst system of claim 19 , wherein the catalyst system further comprises a chain transfer agent.

21. The catalyst system of claim 20 , wherein the chain transfer agent comprises a C 1 -C 20 alkyl aluminum compound, a C 1 -C 20 alkyl zinc compound, or a combination thereof.

22. The catalyst system of claim 20 , wherein the chain transfer agent comprises a C 1 -C 5 alkyl aluminum compound, a C 1 -C 5 alkyl zinc compound, or a combination thereof.

23. The catalyst system of claim 20 , wherein the chain transfer agent is present in the catalyst system at a molar ratio of the transition metal to the chain transfer agent of 10:1 or greater.

24. The catalyst system of claim 19 , wherein the activator is an alumoxane.

25. The catalyst system of claim 19 , wherein the activator is a non-coordinating anion.

26. The catalyst system of claim 19 , wherein the activator is selected from the group consisting of methyl alumoxane, ethyl alumoxane, isobutyl alumoxane, N,N-dimethylanilinium tetrakis(perfluorophenyl)borate, N,N-dimethylanilinium tetrakis(perfluoronaphthyl)borate, N,N-dimethylanilinium tetrakis(perfluorobiphenyl)borate, N,N-dimethylanilinium tetrakis(3,5-bis(trifluoromethyl)phenyl)borate, triphenylcarbenium tetrakis(perfluoronaphthyl)borate, triphenylcarbenium tetrakis(perfluorobiphenyl)borate, triphenylcarbenium tetrakis(3,5-bis(trifluoromethyl)phenyl)borate, triphenylcarbenium tetrakis(perfluorophenyl)borate, 1-(4-(tris(pentafluorophenyl)borate)-2,3,5,6-tetrafluorophenyl)pyrrolidinium, 4-(tris(pentafluorophenyl)borate)-2,3,5,6-tetrafluoropyridine, and combinations thereof.

27. The catalyst system of claim 19 , further comprising a support material.

28. A polymerization process to produce polyolefin, comprising: contacting olefin monomers with the catalyst system claim 19 ; and recovering olefin polymer.

29. The polymerization process of claim 28 , wherein the olefin monomers comprise ethylene, propylene, or a combination thereof.

30. The polymerization process of claim 28 , wherein the catalyst system or the transition metal complex has a catalytic activity in a range from about 10 kg/mmol-hr to about 1,000 kg/mmol-hr.

31. The polymerization process of claim 28 , wherein the catalytic activity is in a range from about 100 kg/mmol-hr to about 1,000 kg/mmol-hr.

32. The polymerization process of claim 28 , wherein the catalytic activity is in a range from about 100 kg/mmol-hr to about 600 kg/mmol-hr.

33. The polymerization process of claim 28 , wherein the catalytic act

Assignees

• Exxonmobil Chemical Patents Inc

Inventors

• Atienza Crisita Carmen H
• Cano David A
• Faler Catherine A
• Whalley Margaret T

Classifications

• C07F7/00 Primary

  Compounds containing elements of Groups 4 or 14 of the Periodic Table · CPC title

• C07D209/86 Primary

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

• C08F4/659

  Component covered by group C08F4/64 containing a transition metal-carbon bond {(C08F4/64003 - C08F4/64196 take precedence)} · CPC title

• C08F4/64193

  OOOO · CPC title

• C08F10/06

  Propene · CPC title