负载型催化剂催化二氧化碳和环氧化合物共聚的研究进展

Progress in Supported Catalyst for the Copolymerization of Carbon Dioxide and Epoxides

为了实现二氧化碳与环氧化合物共聚制备脂肪族聚碳酸酯过程中催化剂的循环利用,提高产物的热力学和力学性能,对其均相催化剂进行载化,即将活性组分/中心负载在无机或高分子载体上是一条有效的途径。文中综述了二氧化碳和环氧化合物共聚中负载型催化剂的研究进展,重点对羧酸锌催化体系、SalenMX催化体系、稀土三元催化体系等不同负载型催化剂的制备方法、催化效率、产物性能及优缺点进行了系统阐述,为负载型催化剂的进一步研究提供了参考。

The active component/species of catalyst supported on inorganic or polymers supporters strategy is a good choice to achieve catalyst recycles use, which can improve the thermodynamic performance and mechanical behavior of the aliphatic polycarbonates synthesized directly from carbon dioxide and epoxides. The recent progress in research of supported catalysts for such a copolymerization process was reviewed. Focused on the various immobilization approaches, catalytic efficiency, properties of the products, drawbacks and advantages, these systems include carboxylic zinc systems, metal-salen complexes and rare earth ternary catalyst systems and so on, providing the guidance on the supported catalysts for the＇ further study.