The PANI occupancy on the fiber surface showed a trend of increasing and then decreasing, indicating that increasing the amount of PANI added helped to increase the number of PANI molecules on the fiber surface, but when the addition of PANI caused a significant increase in solution viscosity, the decrease in molecular migration ability was more critical.
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Increase the Surface PANI Occupancy of Electrospun PMMA/PANI Fibers: Effect of the Electrospinning Parameters on Surface Segregation.
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