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Synthesis of a novel titanium complex catalyst and its catalytic performance for olefin polymerization

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Abstract

A phenoxy-ester Ti based complex of bis[5-methyl-3-trimethylsilyl phenyl salicylate]titanium(IV) dichloride was prepared for olefin polymerization. The structures of the ligand and the complex were characterized using infrared spectrometer, nuclear magnetic resonance, and mass spectrum. The novel [O,O]bidentate coordination compound was used as the catalyst for ethylene and propylene polymerization together with i-Bu3Al/Ph3CB(C6F5)4 as the cocatalyst in toluene. It was found that the as-prepared catalyst displayed activity for both polymerization and copolymerization. As-obtained ethylene propylene copolymer was random copolymer. The glass transition temperature of the copolymer was -43.3°C.

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Authors and Affiliations

  1. School of Chemical Engineering and the Environment, Beijing Institute of Technology, Beijing, 100081, China

    Chaoxiang Wang, Yajiao Wang, Yanliu Dang, Qingze Jiao, Hansheng Li, Qin Wu & Yun Zhao

  2. School of Chemical Engineering and Material Science, Beijing Institute of Technology, Zhuhai, 519085, China

    Qingze Jiao

Authors
  1. Chaoxiang Wang
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  2. Yajiao Wang
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  3. Yanliu Dang
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  4. Qingze Jiao
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  5. Hansheng Li
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  6. Qin Wu
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  7. Yun Zhao
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Corresponding author

Correspondence to Yun Zhao.

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The text was submitted by the authors in English.

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Wang, C., Wang, Y., Dang, Y. et al. Synthesis of a novel titanium complex catalyst and its catalytic performance for olefin polymerization. Russ J Appl Chem 88, 1723–1727 (2015). https://doi.org/10.1134/S1070427215100262

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  • DOI: https://doi.org/10.1134/S1070427215100262

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