Citation: Xue-Ying WEI, Wei WU, Yong-Ning NAI, Meng-Yuan JIANG, Shi-Wei TIAN, Guo-Liang MAO. Research Progress on the Selective Oligomerization of Ethylene Catalyzed by Phosphoramine Chromium and Diphosphinoamine Chromium[J]. Chinese Journal of Applied Chemistry, ;2021, 38(2): 136-156. doi: 10.19894/j.issn.1000-0518.200250 shu

Research Progress on the Selective Oligomerization of Ethylene Catalyzed by Phosphoramine Chromium and Diphosphinoamine Chromium

Provincial Key Laboratory of Oil & Gas Chemical Technology, College of Chemistry & Chemical Engineering, Northeast Petroleum University, Daqing, 163318, China

Corresponding author: Wei WU, 13836965068@163.com
Received Date: 22 August 2020
Accepted Date: 20 October 2020

Fund Project: the National Natural Science Foundation of China 51534004the National Natural Science Foundation of China U1362110

Figures(31)

The selective oligomerization of ethylene to prepare linear α-olefins has been highly valued in both academia and industry because of its high target product selectivity, easy product separation, and significant economic benefits. Chromium-based catalysts have good overall performance in catalyzing selective oligomerization of ethylene, and are a class of catalysts with broad application prospects. Recent studies have shown that the ligand structure has an important effect on the catalyst performance; the introduction of hydrogen in the reaction system can improve the distribution of oligomerization products and inhibit the formation of polymers; development of the catalyst without methylaluminoxane as a cocatalyst can reduce the costs of the catalyst; the ethylene selective oligomerization mechanism and the oxidation state of the central metal have important guiding significance to the design of the catalyst. Recent progress in the research of phosphoamine chromium and diphosphinoamine chromium complexes in the selective oligomerization of ethylene is reviewed from the above aspects, with the problems to be solved in the industrializaion of ethylene selective tetramerization and the further development in ethylene selective oligomerization.
- Ethylene selective oligomerization,
- Linear α-olefin,
- Phosphoamine chromium,
- Diphosphinoamine chromium,
- Oligomerization mechanism
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沈阳化工大学材料科学与工程学院沈阳 110142