Parametric study of manufacturing poly(lactic) acid nanofibrous mat by electrospinning |
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Authors: | S N Patra A J Easteal D Bhattacharyya |
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Affiliation: | (1) Department of Mechanical Engineering, Centre for Advanced Composite Materials, The University of Auckland, Private Bag 92019, Auckland, New Zealand;(2) Department of Chemistry, Centre for Advanced Composite Materials, The University of Auckland, Private Bag 92019, Auckland, New Zealand |
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Abstract: | Electrospinning is a versatile method for manufacturing polymer-based multi-functional and high-performance nanofibrillar
network. Two important characteristics, namely minimum diameter variation and bead area, render the nanofibre mats acceptable
for many membrane type applications, but the relationship between processing parameters and microstructures is still not well
understood. This article outlines a systematic study via the design of experiments in the context of selecting process control
parameters while electrospinning nonwoven mats of nanofibres from poly(l-lactic acid). The goals are to obtain a robust set of parameters to reduce the variation in product quality by performing
the minimum number of experiments. A desirable combination has been found to be low concentration of polymer solution, low
feed rate, comparatively high applied voltage and a large distance between the collector and the needle. However, a low concentration
of polymer solution may result in some bead formation if other factors are not changed accordingly. |
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