高效功能性静电纺丝空气过滤材料的研究进展

Research progress in high-performance and functionality air filtration with electrostatic spinning technology

空气滤材的应用场合环境复杂,滤材要具有较高过滤效率和过滤精度,并具有耐高温、耐腐蚀、抗菌等功能性是当前研究的热点;纳米纤维具有比表面积大、多孔结构、特殊功能性等优点,已广泛应用在空气过滤和水处理领域;静电纺丝是制备纳米纤维最简单的方法,从纤维表面修饰、非均相技术、结构设计、功能改性、生物基可降解材料应用这五个方面,介绍了高效率、功能性静电纺丝空气过滤材料的研究进展,并对未来发展方向进行了展望。

The application environment of air filtration material is complex.Therefore,the research hot topic currently is for the filter material to have high filtration efficiency and filtration accuracy,also high temperature resistance,corrosion resistance and anti-bacterial functionalities,et cetera.Nanofibers have many advantages including a large specific surface area,porous structure,and special functionalities.They have been widely used for air and water filtration systems to remove fine particles.Electrospinning is the simplest way to make nanofibers.The research progress in high-efficiency and functional electrospinning air filtration material was introduced based on five aspects:fiber surface modification,heterogeneous technology,structural design,functional modification and the application of biodegradable materials.The development outlook was also discussed.