CO2共聚物的研究开发在环境保护、资源再利用及新材料研究领域中都具有重要的意义.CO2共聚单体是影响其共聚产物结构、性能及成本的重要因素.文中综述了与CO2催化共聚的各类单体的研究进展及产物理化性能的特点,这些单体主要包括环氧化合物、烯类化合物和可再生型环氧烷烃；并介绍了通过三元共聚以调控分子链单元与分子链结构,从而改善聚合产物的理化性能.进一步就今后CO2催化共聚的发展方向进行了探讨.
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