Synthesis of branched polyethylenes by the tandem catalysis of silica-supported linked cyclopentadienyl-amido titanium catalysts and a homogeneous dibromo nickel catalyst having a pyridylimine ligand

Journal of Polymer Science, Part A: Polymer Chemistry

Volumn 41, Issue 4, 2003, Pages 528-544

  Musikabhumma, Kittichote ^a   Spaniol, Thomas P ^a   Okuda, Jun ^a  

^a JOHANNES GUTENBERG UNIVERSITY   (Germany)

Author keywords

Catalysts; Oligomers; Polyethylene (PE); Silica; Tandem catalysis

Indexed keywords

CATALYSIS; CATALYST SUPPORTS; GEL PERMEATION CHROMATOGRAPHY; MOLECULAR WEIGHT DISTRIBUTION; NICKEL COMPOUNDS; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; OLIGOMERS; POLYMERIZATION; SILICA; TITANIUM;

CYCLOPENTADIENYL AMIDO TITANIUM CATALYST; METHYLALUMINOXANE; PYRIDYLETHYSILANE;

POLYETHYLENES;

CATALYST; OLIGOMER; POLYETHYLENE; SYNTHESIS;

EID: 0037442644     PISSN: 0887624X     EISSN: None     Source Type: Journal    
DOI: 10.1002/pola.10597     Document Type: Article

References (36)

1. James, D. E. In Encyclopedia of Polymer Science and Engineering; Mark, H. F.; Bikales, N. M.; Overberger, C. G.; Menges, G., Eds.; Wiley-Interscience: New York, 1985; Vol. 6, pp 429-454.
2. Stevens, J. C. In Studies in Surface Science and Catalysis; Hightower, J. W.; Delgass, W. N.; Iglesia, E.; Bell, A. T., Eds.; Elsevier Science: Amsterdam, 1996; Vol. 101.
3. Weckhuysen, B. M.; Schoonheydt, R. A. Catal Today 1999, 51, 215.
4. Chien, J. C. W.; He, D. W. J Polym Sci Part A: Polym Chem 1991, 29, 1585.
5. Raul, Q.; Jairton, D.; Marcia, S. L. M.; Rosangela, B. S.; Griselda, B. G. Macromol Chem Phys 1995, 196, 3991.
6. Rossi, A.; Zhang, J. B.; Odian, G. Macromolecules 1996, 29, 2331.
7. Lai, S. Y.; Wilson, J. R.; Knight, G. W.; Stevens, J. C.; Chum, P. W. S. (Dow Chemical). U.S. Patent 5,272,236, 1993.
8. Lai, S. Y.; Wilson, J. R.; Knight, G. W.; Stevens, J. C. (Dow Chemical). U.S. Patent 5,665,800, 1997.
9. Wang, W. J.; Yahn, D.; Zhu, S.; Hamielec, A. E. Macromolecules 1998, 31, 8677.
10. Komon, Z. J. A.; Bazan, G. C. Macromol Rapid Commun 2001, 22, 467.
11. Komon, Z. J. A.; Bu, X.; Bazan, G. C. J Am Chem Soc 2000, 122, 1830.
12. Quijada, R.; Rojas, R.; Bazan, G.; Komon, Z. J. A.; Mauler, R. S.; Galland, G. B. Macromolecules 2001, 34, 2411.
13. Komon, Z. J. A.; Bu, X.; Bazan, G. C. J Am Chem Soc 1998, 120, 1082.
14. Li, Z.; Zhu, N.; Sun, W. H.; Shao, C.; Yucai, K. Polym Int 2001, 50, 2001.
15. Beach, D. L.; Kissin, Y. V. J Polym Sci Polym Chem Ed 1984, 22, 3027.
16. Beach, D. L.; Kissin, Y. V. J Polym Sci Part A: Polym Chem 1986, 24, 1069.
17. Ostoja-Starzewski, K. A.; Witte, J.; Reichert, K. H.; Vasiliou, G. In Transition Metals and Organometallics as Catalysts for Olefin Polymerization; Kaminsky, W.; Sinn, H., Eds.; Springer-Verlag: Berlin, 1998; pp 349-360.
18. Musikabhumma, K.; Spaniol, T. P.; Okuda, J. J Mol Catal A, in press.
19. Amor, F.; Okuda, J. J Organomet Chem 1996, 520, 245.
20. Okuda, J.; Eberle, T.; Spaniol, T. P. Chem Ber 1997, 130, 209.
21. Sinnema, P.-J. Ph.D. Thesis, Rijksuniversiteit Groningen, 1999.
22. Schleis, T. Ph.D. Thesis, University of Mainz, 1999.
23. du Fresne von Hohenesche, C. Diploma Thesis, University of Mainz, 1999.
24. Galland, G. B.; de Souza, R. F.; Mauler, R. S.; Nunes, F. F. Macromolecules 1999, 32, 1620.
25. Usami, T.; Takayama, S. Macromolecules 1984, 17, 1756.
26. Heinemann, J. Ph.D. Thesis, University of Freiburg, 2000.
27. Matsui, S. Ph.D. Thesis, University of Tokyo, 2001.
28. Herfert, N.; Montag, P.; Fink, G. Makromol Chem 1993, 194, 3167.
29. Kravchenko, R.; Waymouth, R. M. Macromolecules 1998, 31, 1.
30. -. This larger Δδ(p-,m-F) value also confirmed the stronger ion-pair interaction for the cation with R = Me.
31. Chen, Y.-X.; Marks, T. J. Organometallics 1997, 16, 3649.
32. Sinnema, P.-J.; Meetsma, A.; Teuben, J. H. Organometallics 1993, 12, 184.
33. Schock, L. E.; Brock, C. P.; Marks, T. J. Organometallics 1987, 6, 232.
34. Ray Bulls, A.; Schaefer, W. P.; Serfas, M.; Bercaw, J. E. Organometallics 1987, 6, 1219.
35. Pellecchia, C.; Grassi, A.; Imimirzi, A. J Am Chem Soc 1993, 115, 1160.
36. Ittel, S. D.; Johnson, L. K.; Brookhart, M. Chem Rev 2000, 100, 1169.