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Chinese Journal of Polymer Science

, Volume 28, Issue 3, pp 299–304 | Cite as

Prospects and crucial problems in oligomerization and polymerization with iron and cobalt complex catalysts

  • Su-yun Jie
  • Wen-hua Sun (孙文华)Email author
  • Tianpengfei Xiao
Feature Article

Abstract

The discovery of highly active 2,6-bis(imino)pyridyl iron and cobalt complexes provided a milestone of late-transition metal catalysts for ethylene oligomerization and polymerization with being currently investigated for the scale-up process. The crucial problems are remaining in the catalytic systems: the catalytic systems targeting ethylene polymerization produce more oligomers at elevated reaction temperatures, however, there is a recognizable amount of high-molecular-weight polyethylene remained in the modified catalytic system for the oligomerization process. Beyond the modification of bis(imino)pyridyl metal complexes, several alternative procatalysts’ models have been developed in our group. This review highlighted the achievements in exploring new iron and cobalt complexes with tridentate NNN ligands as procatalysts for ethylene oligomerization and polymerization.

Keywords

Iron complex Cobalt complex Ethylene oligomerization Ethylene polymerization 

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Copyright information

© Chinese Chemical Society, Institute of Chemistry, Chinese Academy of Sciences and Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Su-yun Jie
    • 1
  • Wen-hua Sun (孙文华)
    • 2
    Email author
  • Tianpengfei Xiao
    • 2
  1. 1.State Key Laboratory of Chemical Engineering, Department of Chemical and Biological EngineeringZhejiang UniversityHangzhouChina
  2. 2.Key Laboratory of Engineering Plastics and Beijing National Laboratory for Molecular Sciences, Institute of ChemistryChinese Academy of SciencesBeijingChina

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