Optimizing Nanofiber Membranes: The Role of Needle Gauge

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This lecture explores the impact of needle gauge on the performance of PAN/PSU membranes produced through electrospinning. It discusses how variations in needle size affect fiber morphology and membrane functionality. Key electrospinning parameters, including a 30 kV voltage and a 1 mL/h flow rate, were employed with four different needle gauges. Analytical techniques such as SEMs, contact angle measurement, and tensile strength testing were used to assess fibers. Results indicate that the...