Trichlorozirconium <italic style="font-style: italic">η</italic><sup>2</sup>-Hydrazonides: Synthesis, Characterization and Their Catalytic Behavior toward Ethylene Polymerization

Xin-e Duan; Qi-feng Xing; Zhen-ming Dong; Jian-bin Chao; Sheng-di Bai; Dian-sheng Liu; Wen-hua Sun

doi:10.1007/s10118-016-1768-6

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Trichlorozirconium η²-Hydrazonides: Synthesis, Characterization and Their Catalytic Behavior toward Ethylene Polymerization

Updated：2021-06-21

- Trichlorozirconium η²-Hydrazonides: Synthesis, Characterization and Their Catalytic Behavior toward Ethylene Polymerization
- Chinese Journal of Polymer Science Vol. 34, Issue 3, Pages: 390-398(2016)
- Affiliations：
  
  a.Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China
  b.School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
  c.Key Laboratory of Engineering Plastics and Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- Author bio：
  
  **Dian-sheng Liu (刘滇生), E-mail: dsliu@sxu.edu.cn
  Wen-hua Sun (孙文华), E-mail: whsun@iccas.ac.cn
- Funds：
- DOI：10.1007/s10118-016-1768-6
  CLC：
- Received：21 November 2015，
  
  Revised：2015-12-21，
  
  Accepted：22 December 2015，
  
  Published：2016-03
- Accepted：
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Xin-e Duan, Qi-feng Xing, Zhen-ming Dong, et al. Trichlorozirconium η²-Hydrazonides: Synthesis, Characterization and Their Catalytic Behavior toward Ethylene Polymerization[J]. Chinese Journal of Polymer Science, 2016, 34(3): 390-398. DOI: 10.1007/s10118-016-1768-6.
DOI：

Xin-e Duan, Qi-feng Xing, Zhen-ming Dong, et al. Trichlorozirconium η²-Hydrazonides: Synthesis, Characterization and Their Catalytic Behavior toward Ethylene Polymerization[J]. Chinese Journal of Polymer Science, 2016, 34(3): 390-398. DOI: 10.1007/s10118-016-1768-6. DOI：

摘要

Abstract

The trichlorozirconium

-hydrazonides (R=H

A; R=CH

B) were synthesized through the finely controlled stoichiometrical reactions of anhydrous zirconium tetrachloride with the lithium salt of either 1-(furan-2-ylmethylene)-2-phenylhydrazonide or 1-(furan-2-ylethylidene)-2-phenyl hydrazonide in the solvent tetrahydrofuran (THF)

respectively. These complexes were highly sensitive to air and moisture due to solely using less bulky ligand of hydrazonides. The molecular structures of the title complexes

determined by means of single crystal X-ray diffraction

were found to be the distorted pentagonal bipyramid geometry around zirconium atom

with three chlorides and the hydrazonato ligand acting as the

-coordination mode as well as two incorporated THF molecules. Upon activation with either methylaluminoxane (MAO) or modified methylaluminoxane (MMAO)

both complexes

and

exhibited catalytic activities toward ethylene polymerization

producing polyethylenes with ultra-high molecular weights.

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Trichlorozirconium η2-Hydrazonides: Synthesis, Characterization and Their Catalytic Behavior toward Ethylene Polymerization

DOI：10.1007/s10118-016-1768-6

摘要

Abstract

关键词

Keywords

references

Trichlorozirconium η²-Hydrazonides: Synthesis, Characterization and Their Catalytic Behavior toward Ethylene Polymerization