Synergistic Effect and Fluorination Effect in Ethylene Polymerization by Nickel Phenoxyiminato Catalysts

Di Xu; Xiang-Xiang Zhao; Zhong-Tao Chen; Yu-Guo Ma

doi:10.1007/s10118-018-2081-3

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Synergistic Effect and Fluorination Effect in Ethylene Polymerization by Nickel Phenoxyiminato Catalysts

Articles | Updated：2021-02-18

- Synergistic Effect and Fluorination Effect in Ethylene Polymerization by Nickel Phenoxyiminato Catalysts
- Chinese Journal of Polymer Science Vol. 36, Issue 2, Pages: 244-251(2018)
- Affiliations：
  
  Beijing National Laboratory for Molecular Sciences(BNLMS), Center for Soft Matter Science and Engineering, Key Lab of Polymer Chemistry & Physics of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China
- Author bio：
  
  Yu-Guo Ma, E-mail ygma@pku.edu.cn
- Funds：
- DOI：10.1007/s10118-018-2081-3
  CLC：
- Received：30 September 2017，
  
  Accepted：30 October 2017，
  
  Online First：24 November 2017，
  
  Published：05 February 2018
- Accepted：
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Di Xu, Xiang-Xiang Zhao, Zhong-Tao Chen, et al. Synergistic Effect and Fluorination Effect in Ethylene Polymerization by Nickel Phenoxyiminato Catalysts[J]. Chinese Journal of Polymer Science, 2018, 36(2): 244-251.
DOI：

Di Xu, Xiang-Xiang Zhao, Zhong-Tao Chen, et al. Synergistic Effect and Fluorination Effect in Ethylene Polymerization by Nickel Phenoxyiminato Catalysts[J]. Chinese Journal of Polymer Science, 2018, 36(2): 244-251. DOI： 10.1007/s10118-018-2081-3.

摘要

Abstract

A series of binuclear nickel phenoxyiminato catalysts with different linkers and fluorine substituents were efficiently synthesized. Binuclear nickel catalysts with rigid linkers showed higher catalytic activity and thermal stability in ethylene polymerization and produced polymers with higher molecular weight possibly due to the larger steric hindrance and metal-metal synergistic effect. The introduction of fluorine atoms on the

-terphenyl moity also enhanced polymerization activity and molecular weight of polymer due to the electronic effect of fluorine atoms.

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references

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