CO2开关型溶剂及表面活性剂的研究进展与应用

Research Progresses and Applications on the CO2 Switchable Solvents and Surfactants

CO2开关型溶剂及表面活性剂在通入和排出CO2前后,其化学性质能发生可逆变化,是一类新型的智能溶剂。介绍4种类型CO2开关型溶剂的开关机理,分析了脒基体系、胍基体系、胺基体系3种类型的CO2开关表面活性剂的开关机理及研究进展。探讨了CO2开关型溶剂与表面活性剂在油类提取、制备纳米材料、乳液聚合、含油土壤修复、智能给药、基因载体等方面的应用。分析讨论了当前开关型有机溶剂存在的问题以及研究趋势,并对其发展前景进行了展望。

CO2 switchable solvents and surfactants are a new type of smart agents that can reversibly change their chemical properties when CO2 is introduced and discharged.In this paper,the switching mechanism of four types of CO2 switching surfactants was presented;also,the research progresses and switching mechanisms three types of CO2 switching surfactants in the sulfhydryl system,sulfhydryl system and amine system were analyzed.The applications of CO2 switching solvents and surfactants in oil extraction,nanomaterials preparation,emulsion polymerization,oil-bearing soil remediation,intelligent drug delivery and gene carrier were discussed.Moreover,the issue and research trends of the switch-type organic solvents were discussed,following with the prospects of the switching solvents future development.