IP Library › Granted Patent US 8,394,902
Granted Patent B2
US 8,394,902 · App. 13/071,738 · Granted Mar 12, 2013

Pyridyldiamido transition metal complexes, production and use thereof

Inventors: John R. Hagadorn (Houston, TX); Renuka N. Ganesh (Houston, TX); Dmitry V. Uborsky (Moscow, RU); Ilya S. Borisov (Moscow, RU); Ivan V. Pruss (Moscow, RU); Alexander Z. Voskoboynikov (Moscow, RU)
Assignee: ExxonMobil Chemical Patents Inc.
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Quick Facts
Patent No.
US 8,394,902
App. No.
13/071,738
Granted
Mar 12, 2013
Kind
B2
Abstract

Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization.

Claims (45)

1. A pyridyldiamido transition metal complex represented by the formula: (I), (II), or (III):

wherein:

M is a Group 3, 4, 5, 6, 7, 8, 9, 10, 11, or 12 metal;

R 1 and R 11 are independently selected from the group consisting of hydrocarbyls, substituted hydrocarbyls, and silyl groups;

R 2 and R 10 are each, independently, -E(R 12 )(R 13 )—;

E is carbon, silicon, or germanium;

each R 12 , R 13 , R 12 *, and R 13 * is independently selected from the group consisting of hydrogen, hydrocarbyl, and substituted hydrocarbyl, alkoxy, silyl, amino, aryloxy, halogen, and phosphino, R 12 and R 13 and/or R 12* and R 13* may be joined to form a saturated, substituted or unsubstituted hydrocarbyl ring, where the ring has 4, 5, 6, or 7 ring carbon atoms and where substitutions on the ring can join to form additional rings, or R 12 and R 13 and/or R 12* and R 13* may be joined to form a saturated heterocyclic ring, or a saturated substituted heterocyclic ring where substitutions on the ring can join to form additional rings, provided that at least one of R 12* and R 13* is a C 1 to C 100 substituted or unsubstituted hydrocarbyl group;

R 3 , R 4 , and R 5 are independently selected from the group consisting of hydrogen, hydrocarbyls, substituted hydrocarbyls, alkoxy, aryloxy, halogen, amino, and silyl, and wherein adjacent R groups (R 3 & R 4 and/or R 4 & R 5 ) may be joined to form a substituted or unsubstituted hydrocarbyl or heterocyclic ring, where the ring has 5, 6, 7, or 8 ring atoms and where substitutions on the ring can join to form additional rings;

R 6 , R 7 , R 8 , R 9 , R 15 , and R 16 are independently selected from the group consisting of hydrogen, hydrocarbyls, substituted hydrocarbyls, alkoxy, halogen, amino, and silyl, and the pairs of positions, and wherein adjacent R groups (R 6 & R 7 , and/or R 7 & R 15 , and/or R 16 & R 15 , and/or R 8 & R 9 ) may be joined to form a saturated, substituted or unsubstituted hydrocarbyl or heterocyclic ring, where the ring has 5, 6, 7, or 8 ring carbon atoms and where substitutions on the ring can join to form additional rings;

L is an anionic leaving group, where the L groups may be the same or different and any two L groups may be linked to form a dianionic leaving group;

n is 0, 1, 2, 3, or 4;

L′ is neutral Lewis base;

w is 0, 1, 2, 3, or 4;

Z is —(R 14* ) p Q-J(R 15* ) q — where Q or J is bonded to R 10 ;

J is C or Si;

Q is C, O, N, or Si;

R 14* and R 15* are independently selected from the group consisting of hydrogen, hydrocarbyls, and substituted hydrocarbyls, and wherein adjacent R 14* and R 15* groups may be joined to form an aromatic or saturated, substituted or unsubstituted hydrocarbyl ring, where the ring has 5, 6, 7, or 8 ring carbon atoms and where substitutions on the ring can join to form additional rings;

p is 1 or 2; and

q is 1 or 2.

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

3. The complex of claim 1 , wherein R 2 and R 10 are each, independently, represented by the formula:

where R 12 ″ is hydrogen, alkyl, aryl, or halogen; and R 13 ″ is hydrogen, alkyl, aryl, or halogen.

4. The complex of claim 1 , wherein R 6 , R 7 , R 8 , R 9 , R 15 , and R 16 are independently selected from the group consisting of hydrogen, hydrocarbyls, substituted hydrocarbyls, alkoxy, halogen, amino, and silyl.

5. The complex of claim 1 , wherein R 1 , R 3 , R 4 , R 5 , R 11 each contain no more than 30 carbon atoms.

6. The complex of claim 4 , wherein R 1 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , and R 15 each contain no more than 30 carbon atoms.

7. The complex of claim 1 , wherein E is carbon and R 1 and R 11 are independently selected from phenyl groups that are substituted with 0, 1, 2, 3, 4, or 5 substituents selected from the group consisting of F, Cl, Br, I, CF 3 , NO 2 , alkoxy, dialkylamino, hydrocarbyl, and substituted hydrocarbyls groups with from one to ten carbons.

8. The complex of claim 1 , wherein each L is independently selected from the group consisting of halide, alkyl, aryl, alkoxy, amido, hydrido, phenoxy, hydroxy, silyl, allyl, alkenyl, triflate, alkylsulfonate, arylsulfonate, and alkynyl; and each L′ is independently selected from the group consisting of ethers, thio-ethers, amines, nitriles, imines, pyridines, and phosphines.

9. The complex of claim 1 , wherein the complex is represented by formula (I) and both R 12 and R 13 are a C 1 to C 100 alkyl group.

10. The complex of claim 1 , wherein the complex is represented by formula (I).

11. The complex of claim 1 , wherein the complex is represented by formula (II).

12. The complex of claim 1 , wherein the complex is represented by formula (III).

13. The complex of claim 1 , wherein the complex is represented by formula (III) and R 12* is H, R 13* is a group containing from 1 to 100 carbons, M is a Group 4 metal, E is carbon and R 10 is CH 2 .

14. The complex of claim 1 , wherein the complex is represented by formula (II) and R 12* is a group containing from 1 to 100 carbons, M is a Group 4 metal, E is carbon and R 10 is CH 2 .

15. The complex of claim 1 , wherein the complex is represented by formula (I) and R 12 is H, R 13 is a group containing from 1 to 100 carbons, M is a Group 4 metal, E* is carbon and R 10 is CH 2 .

16. A process for preparing the pyridyldiamido complex of claim 2 , comprising reaction of a pyridyldiamine with a group 4 transition metal complex of the general formula MY 2 L 2 L′ W , where M is Ti, Zr, or Hf, Y is a deprotonated amine or hydrocarbanion group; L is an anionic leaving group, where the L and Y groups may be the same or different and any two L and/or Y groups may be linked to form a dianionic group; L′ is neutral Lewis base; and w is 0, 1, 2, 3, or 4.

17. A catalyst system comprising an activator and the complex of claim 1 .

18. The catalyst system of claim 17 , wherein the activator is an alumoxane.

19. The catalyst system of claim 17 , wherein the activator is a non-coordinating anion.

20. A polymerization process comprising a) contacting one or more alkene monomers with a catalyst system comprising: i) an activator and ii) the pyridyldiamido transition metal complex of claim 1 .

21. The process of claim 20 , wherein the activator is an alumoxane.

22. The process of claim 20 , wherein the activator is a non-coordinating anion.

23. The process of claim 20 , wherein the monomer comprises ethylene.

24. The process of claim 20 , wherein the monomer comprises propylene.

25. The process of claim 20 , wherein the pyridyldiamido transition metal complex is supported.

26. The process of claim 20 , wherein R 6 , R 7 , R 8 , and R 9 are independently selected from the group consisting of hydrogen, hydrocarbyls, substituted hydrocarbyls, alkoxy, halogen, amino, and silyl.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 5, 2011
From: HAGADORN, JOHN R.; GANESH, RENUKA N.; UBORSKY, DMITRY V.; BORISOV, IIYA S.; PRUSS, IVAN V.; VOSKOBOYNIKOV, ALEXANDER Z.
To: EXXONMOBIL CHEMICAL PATENTS INC.
Reel/Frame 026709/0653 →
Continuity (2)
Continuation In Part 12180132 · Jul 25, 2008
Related Publication 20120071616A1 · Mar 22, 2012