通过控制合成三齿吡啶亚胺配体的反应条件及所用的催化剂的不同,使得到配体的产率在80%以上,并与亚铁盐络合得到一种铁系催化剂。以甲苯为溶剂,甲基铝氧烷(MAO)为助催化剂,催化乙烯齐聚合成线性α-烯烃。催化剂表现出高活性和对α-烯烃的高选择性。考察了反应温度、Al/Fe摩尔比和反应压力等因素对催化活性和齐聚产物分布的影响。 By controlling the reaction conditions of the synthesized tridentate pyridineimide ligand and the different catalysts used, the yield of the ligand is over 80%, and an iron-based catalyst is obtained by complexing with the ferrous salt. Using toluene as solvent and methylaluminoxane (MAO) as cocatalyst, ethylene was oligomerized to linear α-olefin. The catalyst shows high activity and high selectivity to alpha-olefins. The effects of reaction temperature, molar ratio of Al / Fe and reaction pressure on the catalytic activity and the distribution of oligomerization products were investigated.