Abstract
Electrospinning, which produces nano/micro-fiber in a remarkably simple and fast manner, has been applied for numerous materials in various areas. In this study, the characteristics of micro-glass bead/PLA porous fiber composite were studied. The breath figure method was implemented to fabricate porous PLA fibers from PLA solution obtained by dissolving PLA in a solvent mixture (10:1 weight ratio) of dichloromethane (DCM) and N,N-dimethylacetamide (DMAc). The micro-beads (60 μm) were used to make more gaps between fibers and the specific surface area was measured and compared. Furthermore, the sound absorption and the insulation property of the samples were also measured. The specific surface area of samples increased from 1.45 to 4.39 m2/g with the addition of micro-glass beads and porous structure. The insulation property improved from 40 to 35 mW/m K with addition of micro-glass beads due to the formation of air layers.
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