Research progress of PLA nonwoven material for water purification
The preparation,modification and application research progress of polylactic acid(PLA)nonwoven material for water purification were summarized.The chemical synthesis methods of PLA was introduced.The current main preparation technique of PLA nonwoven material were summarized,their respective characteristics were analyzed.The effects of physical blending,surface coating,plasma treatment and chemical grafting modification method on the property and function of PLA nonwoven material were expounded.The application progress of PLA nonwoven material in water purification field including oil-water separation,dye adsorption,heavy metal ion adsorption were emphatically summarized.It is considered that low-cost,mass-production and easy-recycling will become an important guide to the future research and development of PLA nonwoven material for water purification.