Summary
The MgO-supported TiCl4 catalysts prepared by heating MgO with TiCl4 showed a high activity for the ethylene polymerization in combination with Et3Al or i-Bu3Al. In these highly active catalysts, it has been shown that MgCl2 is formed in the MgO-TiCl4 reaction and is considered to contribute to the enhancement of the activity of the catalysts.
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Kashiwa, N., Tsutsui, T. Highly active MgO-supported TiCl4 catalyst for the ethylene polymerization. Polymer Bulletin 11, 313–317 (1984). https://doi.org/10.1007/BF00254266
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DOI: https://doi.org/10.1007/BF00254266