Polymerization of ethylene using Cp2ZrCl2 metallocene and methylaluminoxane homogeneous catalyst system

Iranian Polymer Journal (English Edition)

Volumn 14, Issue 2, 2005, Pages 111-116

  Zohuri, Gholamhossein ^a   Jamjah, Roghieh ^b   Ahmadjo, Saeed ^b  

^a FERDOWSI UNIVERSITY OF MASHHAD   (Iran)

^b IRAN POLYMER AND PETROCHEMICAL INSTITUTE   (Iran)

Author keywords

Ethylene polymerization; Homogeneous catalyst; Metallocene; Methylaluminoxane

Indexed keywords

CATALYST ACTIVITY; CHAIN CONVEYORS; ELECTRONIC PROPERTIES; HYDROGEN; MELTING; MOLECULAR WEIGHT; MONOMERS; ORGANOMETALLICS; POLYMERIZATION; THERMAL EFFECTS;

ETHYLENE POLYMERIZATION; HOMOGENEOUS CATALYST; METALLOCENE; METHYLALUMINOXANE (MAO); ZIRCONIUM CATALYSTS;

ETHYLENE;

EID: 14944374492     PISSN: 10261265     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (26)

1. Bendikt G.M. and Goodall B. L., Metallocene Catalyzed Polymer, Plastic Design Library, Norwich, NY, Ch.1 (1998).
2. Kaminsky W. and Arndt M., Metallocence for Polymer Catalysis, Adv. Polym. Sci., 127, 143, 187 (1997).
3. Bendikt GM., Metalloncene Technology, Plastic Design Library, Norwich, NY, Ch.1 (1999).
4. Kaminsky W., and Duch A., Catalysts In Petroleum Refining and Petrochemical Industries, in: New developments in olefin polymerization with metalloncene catalysts, Elsevier, Amsterdam, 91-98 (1995).
5. Tian J., Ko Y.S., Metcalfe R., Feng Y., and Collins S., Synthesis of olefin polymerization using tethered ansametallocene complexes, Macromolecules, 34, 3120-3122 (2001).
6. Xu S., Deng X., Wang B., Zhou X., Yang L., Li Y., Hu Y., Zou F., and Li Y., Ethylene polymerization with cycloalkylidene-bridged cyclopentadienyl metallocene Catalyst, Macromol. Rapid Commun., 22, 708-709 (2001).
7. Meng F., Yn G., and Huang B., Polymer-supported zirconocene catalyst for ethylene polymerization, J. Polym. Sci. Part A: Polym. Chem., 37, 37-46 (1999).
8. 2 MAO catalytic system and their polymerization kinetics, J. of Appl. Polym. Sci., 81, 3186-3189 (2001).
9. Zhou J., Li N., Bu N., Lynch D. T., and Wanke S.E, Gas-phase ethylene polymerization over polymer-supported metallocene catalysts, J. Appl. Polym. Sci. 90, 1319-1330 (2003).
10. Salamon J.C., Polymeric Materials Encyclopedia, CRC, 6, 4160, (1996).
11. Togni A., and Halterman R. L., Metalloncenes, Synthesis Reactivity Applications, Wiley-VCH, Weinheim, 2, 554 (1998).
12. Liu S., Meng F., Yu G., and Huang B., Preparation of polymer-supported zirconocene catalysts and olefin poly-merization, J. Appl. Polym. Sci., 71, 2253-2258 (1999).
13. Hlatky G.G., Turner H.W., and Echman R.R., Ionic, basefree zirconocene catalysts for ethylene polymerization J. Am. Chem. Soc., 111, 2728-2729 (1989).
14. Yang X., Stern C.L., and Marks T.J., Cation-like homogeneous olefin polymerization catalysts based up on zirconocence alkyls and tris (pentafluorophenyl) borane, J. Am. Chem. Soc., 113, 3623-3625 (1991).
15. 5), Die Makromol. Chem. Rapid Comm., 12, 367-372(1991).
16. 2 combined with trialkylaluminium, Die Makrom. Chem. Rapid Comm., 13, 221-24 (1992).
17. Arai T., Ban H.T., Uozumi H. T., and Soga K., Syntheses of polysiloxane supported ziconocene catalysts and application to ethylene polymerization, Macromol. Chem. Phys., 198, 229-237 (1997).
18. Justino J., Romao Dias A., Ascenso J., Marcues M. M., and Tait P.J.T., Polymerization of ethylene using metallocene and aluminoxane systems, Polym. Int., 44, 407-412 (1997).
19. 4/donor systems, Iran. Polym. J., 10, 149-155 (2001).
20. 4/PMT, J. Appl. Polym. Sci., 84, 785-790 (2002).
21. 4/Di-n-butyl phthalate/ triethylaluminum/ dimethoxy methyl cyclohexyl silane, J. Appl. Polym. Sci., 89, 1177-1181 (2003).
22. 2, Iran. Polym. J. (Persian) 3, 147-155 (1997).
23. Brandrup J., and Immergut E. H., Polymer Handbook, 3rd ed., Wiley, New York, Sec. VII (1989).
24. Wilkinson G and Birmingham J.M., Bis-cyclopentadienyl compound of Ti, Zr, Mb and Ta, J. Am. Chem. Soc., 76, 4281-4284 (1954).
25. Druce P.M., Kingston B.M., Lappert M.F., Spading T.R., and Srivastav R.C., Metallocene Halides Part I. Synthesis, spectra and redistribution equilibria of di-π-cyclopentadienyl-dihalogeno-titanium (IV), zirconium-(IV), and-hafnium (IV), J. Chem. Soc. (A), 2106-2110 (1969).
26. Tsai W.M., and Chien J.C.W., Silolene-bridged zirconcocenium polymerization catalysts, J. Polym. Sci. Polym. Chem., 32, 179-158 (1994).