Synthesis and Thermal Decomposition of Titanium Chelates Having Azo or Azomethine Ligand

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  • ABE Yoshimoto
    Department of Industrial Chemistry, Faculty of Science and Technology, Science University of Tokyo
  • SUZUKI Yasuhiro
    Department of Industrial Chemistry, Faculty of Science and Technology, Science University of Tokyo
  • GUNJI Takahiro
    Department of Industrial Chemistry, Faculty of Science and Technology, Science University of Tokyo
  • HIROSAWA Kei
    Department of Industrial Chemistry, Faculty of Science and Technology, Science University of Tokyo
  • NAGAO Yukinori
    Department of Industrial Chemistry, Faculty of Science and Technology, Science University of Tokyo
  • MISONO Takahisa
    Department of Industrial Chemistry, Faculty of Science and Technology, Science University of Tokyo

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Other Title
  • アゾおよびアゾメチン化合物を配位子とするチタンキレート錯体の合成と熱分解
  • アゾ オヨビ アゾメチン カゴウブツ オ ハイイシ ト スル チタン キレート

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Abstract

Titanium chelates with the ligand of 2-hydroxyazo or azomethine compounds were synthesized and their properties and thermal decomposition were investigated. The reaction of titanium tetraisopropoxide with two equivalent moles of 2-hydroxyazo or azomethine compound in benzene gave titanium chelates in quantitative yields. Titanium chelates had a low decomposition temperature of 102-115°C. The thermal decomposition of the chelate at 160-180°C under 3mmHg formed volatile components and residual solids. After reprecipitation, the solids were revealed to be titanium-containing polymers with molecular weight of 2000-3700.

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