化工进展

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新型铁配合物/MAO催化乙烯低聚

宁英男,刘晓瑜,王力搏,黄志军,姜涛   

  1. 大庆石油学院化学化工学院

  • 出版日期:2006-06-25 发布日期:2006-06-25

Ethylene oligomerization catalyzed by novel iron complex/MAO

NING Yingnan , LIU Xiaoyu , WANG Libo , HUANG Zhijun , JIANG Tao   

  1. School of Chemical Engineering, Daqing Petroleum Institute

  • Online:2006-06-25 Published:2006-06-25

摘要: 设计并合成了一种新型的单亚胺基吡啶铁配合物,与助催化剂甲基铝氧烷(MAO)组成催化体系用于乙烯低聚制备线性-烯烃,考察了反应温度、反应压力、n(Al)/n(Fe)、主催化剂浓度及反应时间等因素对催化活性和低聚产物组成的影响。结果表明:新型的铁配合物/MAO催化体系用于乙烯低聚,具有活性高和低碳数线性α–烯烃选择性高等特点。

Abstract: A novel iron complex bearing single imino-pyridyl ligand was prepared. Ethylene oligomerization was carried out by using the complex as pre-catalyst and methyl aluminoxane (MAO) as co-catalyst. The effects of reaction temperature, pressure, n(Al)/n(Fe) molar ratio, iron complex concentration and reaction time on catalytic activity and product distribution were investigated. The results showed that the novel iron complex/MAO used in ethylene oligomerization had high catalytic activity and high selectivity toward low carbon linear α–olefin.

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