Post-Metallocenes: A New Bis(salicylaldiminato) Zirconium Complex for Ethylene Polymerization

  • Shigekazu Matsui
    Material Science Laboratory, Mitsui Chemicals, Inc.Nagaura, Sodegaura, Chiba
  • Makoto Mitani
    Material Science Laboratory, Mitsui Chemicals, Inc.Nagaura, Sodegaura, Chiba
  • Junji Saito
    Material Science Laboratory, Mitsui Chemicals, Inc.Nagaura, Sodegaura, Chiba
  • Yasushi Tohi
    Material Science Laboratory, Mitsui Chemicals, Inc.Nagaura, Sodegaura, Chiba
  • Haruyuki Makio
    Material Science Laboratory, Mitsui Chemicals, Inc.Nagaura, Sodegaura, Chiba
  • Hidetsugu Tanaka
    Material Science Laboratory, Mitsui Chemicals, Inc.Nagaura, Sodegaura, Chiba
  • Terunori Fujita
    Material Science Laboratory, Mitsui Chemicals, Inc.Nagaura, Sodegaura, Chiba

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<jats:title>Abstract</jats:title> <jats:p>A new bis(salicylaldiminato) zirconium complex was synthesized and its structure determined by X-ray analysis. This complex displayed an exceptionally high ethylene polymerization activity of 519 kg-PE/mmol-Zr·h using methylaluminoxane (MAO) as a cocatalyst. In contrast, by using Ph3C+B−(C6F5)4 / iBu3Al as a cocatalyst, the complex furnished polyethylene of exceptionally high molecular weight (Mv; 505 × 104).</jats:p>

収録刊行物

  • Chemistry Letters

    Chemistry Letters 28 (12), 1263-1264, 1999-12-01

    Oxford University Press (OUP)

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