Electron Spin Resonance, Titanium Oxidation State, and Ethylene Polymerization Studies of a Model-Supported Ziegler-Natta Catalyst. Spectroscopic Detection of Titanium Tetrachloride

Macromolecules

Volumn 20, Issue 11, 1987, Pages 2740-2744

  Brant, Patrick ^a   Speca, Anthony N ^a  

^a EXXONMOBIL UPSTREAM RESEARCH COMPANY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001451598     PISSN: 00249297     EISSN: 15205835     Source Type: Journal    
DOI: 10.1021/ma00177a018     Document Type: Article

References (12)

1. Chien. J. C. W. J. Catal. 1971, 23. 71.
2. Soga, K.; Terano, M. Makromol. Chem. 1981, 182. 2439.
3. Chien, J. C. W.; Wu, J. C. J. Polymer Sci., Polym. Chem. Ed. 1982, 20, 2461.
4. Zakharov, V. A.; Makhtarulin, S. I.; Poluboyarov, V. A.; Anu-frienko, V. F. Makromol. Chem. 1984, 185, 1781.
5. Gavens, P. D.; Bottrill, M.; Kelland, J. W.; McMeeking, J. In Comprehensive Organometallic Chemistry, Wilkinson, G., Stone, F. G. A., Abel, E. W., Eds.; Pergamon: 1982; Vol. 3, p 475.
6. Boor, J. Ziegler-Natta Catalysts and Polymerizations; Academic: New York, 1976.
7. Pino, P.; Rotzinger, B. Makromol. Chem. Suppl. 1984, 7, 41.
8. Choi, K. Y. ; Ray, W. H. Rev. Macromol. Chem. Phys. 1985, C25, 57.
9. Snow, A.; Brant, P.; Weber, D. C.; Yang, N. L. J. Polym. Sci., Polym. Lett. Ed. 1979, 17, 263.
10. McDaniel, M. P. J. Catal. 1981, 67, 71. From our own weight loss on ignition measurements, we estimate MS948 silica dehydrated at 800 C contains 0.6 mmol of OH/g of silica.
11. Kuo, C. I. Ph. D. Dissertation, “Magnesium Chloride Supported High-Activity Catalyst for Olefin Polymerization”, University of Massachusetts, Amherst, 1985, University Microfilms International. Ann Arbor. MI.
12. Busico, V.; Corradini, P.; De Martino, L.; Proto, A.; Savino, V.; Albizzati, E. Makromol. Chem. 1985, 186, 1279.