Some peculiarities in ESR spectra of titanium complexes in catalysts for isoprene polymerization in excess A1R3 |
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Authors: | V. V. Zakharov V. F. Anufrienko T. F. Filatova I. Sh. Guzman O. I. Adrov A. V. Kucherov |
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Affiliation: | (1) Institute of Catalysis, 630090 Novosibirsk, USSR;(2) Institute of Petrochemical Synthesis, 117912 Mosocw, USSR |
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Abstract: | It has been established that at low temperatures of TiCl4+AOC catalyst preparation in solution (with Ti/Al1/15), ESR spectra exhibit rhombic anisotropy of the g-factor. Experiments with the sample having 61 % concentration of47Ti isotopes suggest the formation of associates of Ti3+ with magnetic ordering, apparently due to the Jahn-Teller cooperative effect.
TiCl4+ AOC ( Ti/Al1/15) g-. 47Ti (61%) Ti3+ , , -. |
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