| abstract |
The invention provides a super-hydrophobic light polyurethane micro-nanofiber sponge and a preparation method and application thereof, wherein the micro-nanofiber sponge comprises nano-scale fibers with the diameter of 200-800 nm and micro-scale fibers with the diameter of 5-15 um, and the nano-scale fibersThe grade fiber comprises a fluorinated polyurethane having the structure of formula I: the micro-nanofiber sponge is a three-dimensional light sponge with micron-sized fibers as a framework structure and nano-sized fibers as a main body filling structure, has high-efficiency greasy dirt water body purification treatment capacity, and has certain application value in the fields of water body cleaning and purification, self-protection and the like of oily water purification treatment, oil-water separation, self-cleaning, water resistance, stain resistance and the like due to the excellent performance of the polyurethane light sponge. |