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Preparation of soluble [(TiCl4+MgCl2) · phosphate] and soluble [(TiCl3-O-MgCl) · phosphate] catalysts and their use for copolymerization of ethylene with propylene

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Summary

TiCl4 and MgCl2 were dissolved in hydrocarbon or halogenated hydrocarbon solvents using phosphate or phosphonate donor. Mg(OH)Cl reacted with TiCl4 with HCl gas evolution above 100°C in the presence of phosphate or phoshonate donor, and a homogeneous solution of [TiCl3-O-MgCl2] complex was obtained. The soluble catalysts and triisobutylaluminium as co-catalyst showed high activities for the copolymerization of ethylene with propylene. The copolymers obtained were rubbery and possessed very low crystallinities.

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Authors and Affiliations

  1. Department of Applied Chemistry, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, 466, Nagoya, Japan

    Kenya Makino, Iazuichi Tsuda & Mikio Takaki

Authors
  1. Kenya Makino
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  2. Iazuichi Tsuda
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  3. Mikio Takaki
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Makino, K., Tsuda, I. & Takaki, M. Preparation of soluble [(TiCl4+MgCl2) · phosphate] and soluble [(TiCl3-O-MgCl) · phosphate] catalysts and their use for copolymerization of ethylene with propylene. Polymer Bulletin 27, 41–46 (1991). https://doi.org/10.1007/BF00296323

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  • DOI: https://doi.org/10.1007/BF00296323

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