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Ethyl cellulous (EC) fibrous films were fabricated via electrospinning from solutions with various DMF/acetone volume ratios and the hydrophobic properties were investigated. The morphology of electrospun EC films reveals a conversion from beads to uniform nanofibers by decreasing the DMF/acetone ratio. Pure DMF solution leads to bead structures while uniform nanofibers can be obtained from DMF/acetone...
Compared with conventional fibrous filters made of microfibers, the nanofibrous filters exhibit some special performances. Here, PVA nanofibrous membrane with thickness 28.37um was made by electrospinning 8% PVA solution on conventional cotton scaffold. The air filtration test system was built to test the filtration performance between PVA nanofibrous membrane and conventional fibrous filters which...
Both experiment and simulation works were utilized to research the deposition behavior of single coiled nanofiber on silicon substrate from Near-Field Electrospinning (NFES). In the experiment process, when the collector moving speed (CMS) is compatible with electrospinning speed, straight line nanofiber can be collected. When CMS decreases, jet would step into whipping motion due to the imbalance...
Near-Field Electrospinning (NFES) was utilized to research the buckling behaviors of electrospinning nanofiber on the silicon patterned substrate. Nanofiber would be deposited in spiral shape due to the bulking behaviors of jet. Buckling of jet is more obvious under the stronger electrical field and lower collector motion speed (CMS), which leads nanofiber to be deposited in spiral shape. The electrical...
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