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    • 5. 发明公开
    • Synthesis of methylaluminoxanes
    • Synthese von甲基铝氧烷。
    • EP0372617A2
    • 1990-06-13
    • EP89202995.0
    • 1989-11-27
    • TEXAS ALKYLS, INC.
    • Crapo, Clark CharlesMalpass, Dennis Benedict
    • C07F5/06C08F4/602
    • C08F10/00C07F5/068C08F4/65912C08F4/6028
    • Methylaluminoxane can be formed by the reaction of a tetraalkyldialuminoxane containing C₂ or higher alkyl groups with trimethylaluminum with the trimethylaluminum being present in an amount which is not present in stoichiometric excess. Another embodiment of the present invention involves the synthesis of the methylaluminoxane by reaction of a trialkylaluminum compound or a tetraalkyldialuminoxane containing C₂ or higher alkyl groups with water to form a polyalkylaluminoxane which is then reacted with trimethylaluminum. A third embodiment of the present invention involves the synthesis of the methylaluminoxane by reaction of the aforementioned polyalkylaluminoxane with trimethylaluminum and then with water.
    • 甲基铝氧烷可以通过含有C2或更高级烷基的四烷基二铝氧烷与三甲基铝的反应形成,三甲基铝的存在量不以化学计量过量存在。 本发明的另一个实施方案涉及通过三烷基铝化合物或含有C2或更高级烷基的四烷基二铝氧烷与水的反应来合成甲基铝氧烷以形成聚烷基铝氧烷,然后与三甲基铝反应。 本发明的第三个实施方案涉及通过上述聚烷基铝氧烷与三甲基铝然后与水的反应来合成甲基铝氧烷。