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Citation: XU Bo, SUN Yanjie, DU Feipu, CAI Zhengguo. Synthesis of ansa-(Cyclopentadienyl)(adamantylamido) titanium Complex for Propylene Polymerization[J]. Chinese Journal of Applied Chemistry, ;2015, 32(9): 1028-1032. doi: 10.11944/j.issn.1000-0518.2015.09.140452 shu

Synthesis of ansa-(Cyclopentadienyl)(adamantylamido) titanium Complex for Propylene Polymerization

1.
State Key Lab for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering, Donghua University, Shanghai 201620, China

Corresponding author: CAI Zhengguo,
Received Date: 30 December 2014
Available Online: 13 February 2015
Fund Project: 国家自然科学基金资助项目(21174026) (21174026)上海高校特聘教授(东方学者)岗位计划资助 (东方学者)

(1-Adamantyl) NSiMe₂(C₅Me₄)]TiMe₂(c) was synthesized and characterized by elemental analysis,¹H NMR,and single-crystal X-ray analysis.Propylene polymerization was conducted with complex c using modified methyaluminoxane (MMAO)/butylated hydroxytoluene (BHT) as a cocatalyst to compare the polymerization activity of complex c with that of tert-butylamido complex (tBuNSiMe₂(C₅Me₄)]TiMe₂)(a).The c-heptane system shows an activity of 562 kg _(PP)/(mol_(Ti)·h) which is two times higher than that of a-heptane system indicating that the activity is improved by the introduction of 1-adamantyl substituent to the amido ligand.
- constrained geometry catalyst,
- single-site catalyst,
- propylene polymerization
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