One-way fast filtration
Combines a hydrophobic PVFA nanofiber filter layer with a hydrophilic nonwoven support to form a gradient pore-size and hydrophilic/hydrophobic asymmetric structure, enabling unidirectional water transport and efficient microfiltration.
Keyu, Ji · Liu, Chengkun · He, Haijun · Mao, Xue · Wei, Liang · Zhou, Feng-Lei · Sun, Runjun
Small 2023