间苯二甲腈加氢制备间苯二甲胺研究进展

Research progress on the isophthalonitrile hydrogenation to m-xylylenediamine

综述近年来国内外间苯二甲腈加氢制备间苯二甲胺技术的研究进展。通过对反应机理的深入探究,重点讨论负载型加氢催化剂的活性中心、助剂、载体、制备方法和反应工艺及再生技术等,并总结有效抑制副反应发生和提高催化剂长周期运行的可行策略。该领域未来研究的重点和难点仍是高选择性、高稳定性负载型催化剂的开发和腈高效加氢制备胺绿色工艺的优化。

The technological research progress on isophthalonitrile hydrogenation to m-xylylenediamine in recent years is reviewed.Through the in-depth exploration of the reaction mechanism,the discussion focuses on the active site,promoter,support,preparation method of the supported hydrogenation catalyst,and the reaction process including regeneration technology.And the feasible strategies to effectively inhibit the side reactions and improve the long-term operation of the catalyst are summarized.Finally,the focus and difficulty of future research in this field are still the development of the supported catalysts with high-selectivity and high-stability,and the optimization of the green process for the efficient hydrogenation of nitriles to amines.