Ethylene polymerization promoted by dinuclear titanium p-tert-butylthiacalix[4]arene complexes

European Polymer Journal

Volumn 45, Issue 7, 2009, Pages 2138-2141

  Proto, Antonio ^a   Giugliano, Francesca ^a   Capacchione, Carmine ^a  

^a UNIVERSITY OF SALERNO   (Italy)

Author keywords

Ethylene; Post metallocene; Thiacalix 4 arene; Ziegler Natta polymerization

Indexed keywords

AS-LIGANDS; BROAD MOLECULAR WEIGHT DISTRIBUTION; CALIX[4]ARENE; CATALYTIC ACTIVITY; DINUCLEAR; ETHYLENE POLYMERIZATION; HIGH MELTING POINT; HOMOGENEOUS CATALYST; LINEAR POLYMERS; METHYLALUMINOXANE; NMR ANALYSIS; P-TERT-BUTYLTHIACALIX[4]ARENE; POST-METALLOCENE; THIACALIX[4]ARENE; TITANIUM COMPLEXES; ZIEGLER-NATTA POLYMERIZATION;

CATALYST ACTIVITY; ETHYLENE; MELTING POINT; MOLECULAR WEIGHT DISTRIBUTION; ORGANOMETALLICS; POLYETHYLENES; POLYMER MELTS; POLYMERIZATION; POLYMERS; THERMOPLASTICS; TITANIUM;

TITANIUM COMPOUNDS;

EID: 66949126769     PISSN: 00143057     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.eurpolymj.2009.04.014     Document Type: Article

References (29)

1. Coates G.W. Precise control of polyolefin stereochemistry using single-site metal catalysts. Chem Rev 100 (2000) 1223-1252
2. Coates G.W., Hustad P.D., and Reinartz S. Catalysts for the living insertion polymerization of alkenes: access to new polyolefin architectures using Ziegler-Natta chemistry. Angew Chem Int Ed 41 (2002) 2236-2257
3. Domski G.J., Rose J.M., and Coates G.W. Living alkene polymerization: new methods for the precision synthesis of polyolefins. Prog Polym Sci 32 (2007) 30-92
4. Mohring P.C., and Coville N.J. Group 4 metallocene polymerisation catalysts: quantification of ring substituent steric effects. Coord Chem Rev 250 (2006) 18-35
5. Wang B.Q. Ansa-metallocene polymerization catalysts: effects of the bridges on the catalytic activities. Coord Chem Rev 250 (2006) 242-258
6. Gibson V.C., and Spitzmesser S.K. Advances in non-metallocene olefin polymerization catalysis. Chem Rev 103 (2003) 283-315
7. Dong J.Y., and Hu J.L. Design and synthesis of structurally well-defined functional polyolefins via transition metal-mediated olefin polymerization chemistry. Coord Chem Rev 250 (2006) 47-65
8. Matsugi T., and Fujita T. High-performance olefin polymerization catalysts discovered on the basis of a new catalyst design concept. Chem Soc Rev 37 (2008) 1264-1277
9. Noh S.K., Kim S., Kim J., Lee D.H., Yoon K.B., Lee H.B., et al. Investigation of the polymerization behavior of polysiloxane-bridged dinuclear zirconocenes as model compounds for a heterogenized metallocene at the silica surface. J Polym Sci A: Polym Chem 35 (1997) 3717-3728
10. Alt H.G., Ernst R., and Bohmer I.K. Dinuclear ansa zirconocene complexes containing a sandwich and a half-sandwich moiety as catalysts for the polymerization of ethylene. J Organomet Chem 658 (2002) 259-265
11. Lin F., Sun J., Li X., Lang W., Li H., and Schumann H. Ethylene polymerization by 3-oxa-pentamethylene bridged dinuclear metallocene (Ti, Zr)/MAO systems. Eur Polym J 43 (2007) 1436-1443
12. Li X., Zhao X., Zhu B., Lin F., and Sun J. Ethylene polymerization using an asymmetric dinuclear titanocene catalyst carrying a novel 3-oxa-pentamethylene bridge. Catal Commun 8 (2007) 2025
13. Li H.B., and Marks T.J. Nuclearity and cooperativity effects in binuclear catalysts and cocatalysts for olefin polymerization. Proc Natl Acad Sci USA 103 (2006) 15295-15302
14. Shen Z.Q., Chen Y.F., Zang Y.F., Kou R.Q., and Chen L.S. Ethylene polymerization catalyzed by rare earth calixarene catalytic system. Eur Polym J 37 (2001) 1181-1184
15. Speiser F., Braunstein P., and Saussine L. Dinuclear nickel complexes with bidentate N,O ligands: synthesis, structure, and catalytic oligomerization of ethylene. Inorg Chem 43 (2004) 4234-4240
16. Kermagoret A., and Braunstein P. Mono- and dinuclear nickel complexes with phosphino-, phosphinito-, and phosphonitopyridine ligands: synthesis, structures, and catalytic oligomerization of ethylene. Organometallics 27 (2008) 88-99
17. Morohashi N., Hattori T., Yokomakura K., Kabuto C., and Miyano S. Dinuclear titanium(IV) complex of p-tert-butylthiacalix[4]arene as a novel bidentate Lewis acid catalyst. Tetrahedron Lett 43 (2002) 7769-7772
18. Morohashi N., Narumi F., Iki N., Hattori T., and Miyano S. Thiacalixarenes. Chem Rev 106 (2006) 5291-5316
19. Homden D.M., and Redshaw C. The use of calixarenes in metal-based catalysis. Chem Rev 108 (2008) 5086-5130
20. Morohashi N., Yokomakura K., Hattori T., and Miyano S. Highly regioselective [2 + 2 + 2] cycloaddition of terminal alkynes catalyzed by titanium complexes of p-tert-butylthiacalix[4]arene. Tetrahedron Lett 473 (2006) 1157-1161
21. Miyatake T., Mizunuma K., Seki Y., and Kakugo M. 2,2′-thiobis(6-tert-butyl-4-methylphenoxy)titanium or zirconium complex-methylalumoxane catalysts for polymerization of olefins. Makroml Chem Rapid Commun 10 (1989) 349-352
22. Fokken S., Spaniol T.P., Kang H.-C., Massa W., and Okuda J. Titanium complexes of chelating bis(phenolato) ligands with long titanium-sulfur bonds. A novel type of ancillary ligand for olefin polymerization catalysts. Organometallics 15 (1996) 5069-5072
23. Capacchione C., Proto A., Ebeling H., Mu{combining double acute accent}lhaupt R., Mo{combining double acute accent}ller K., Spaniol T.P., et al. Ancillary ligand effect on single-site styrene polymerization: isospecificity of group 4 metal bis(phenolate) catalysts. J Am Chem Soc 125 (2003) 4964-4965
24. Beckerle K., Capacchione C., Ebeling H., Manivannan R., Mu{combining double acute accent}lhaupt R., Proto A., et al. Stereospecific post-metallocene polymerization catalysts: the example of isospecific styrene polymerization. J Organomet Chem 689 (2004) 4636-4641
25. Capacchione C., Proto A., and Okuda J. Synthesis of branched polyethylene by ethylene homopolymerization using titanium catalysts that contain a bridged bis(phenolate) ligand. J Polym Sci A: Polym Chem 42 (2004) 2815-2822
26. De Carlo F., Capacchione C., Schiavo V., and Proto A. Reactivity of styrene and substituted styrenes in the presence of a homogeneous isospecific titanium catalyst. J Polym Sci A: Polym Chem 44 (2006) 1486-1491
27. Ozerov O.V., Rath N.P., and Ladipo F.T. Synthesis, characterization, and reactivity of titanium(IV) complexes supported by proximally bridged p-tert-butylcalix[4]arene ligands. J Organomet Chem 586 (1999) 223-233
28. Capacchione C., Neri P., and Proto A. Polymerization of ethylene in the presence of 1, 3-dimethoxy-p-Bu-t-calix[4]arene titanium dichloride. NMR evidence of the cationic titanium compound generated by methylalumoxane. Inorg Chem Commun 6 (2003) 339-342
29. Frediani M., Semeril D., Comucci A., Bettucci L., Frediani P., Rosi L., et al. Ultrahigh-molecular-weight polyethylene by using a titanium calix[4]arene complex with high thermal stability under polymerization conditions. Macromol Chem Phys 206 (2007) 938-945