2014
DOI: 10.1002/marc.201400274
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Solvent Vapor Annealing: An Efficient Approach for Inscribing Secondary Nanostructures onto Electrospun Fibers

Abstract: Solvent vapor annealing (SVA) is originally developed to attain equilibrium nanostructures from microphase-separated block polymer thin films. Interestingly, by carefully choosing a solvent vapor that can selectively mobilize the amorphous chains of a semicrystalline polymer while preserving the integrity of its crystalline structure, this study demonstrates that the SVA method can also be utilized to introduce hierarchical structures onto semicrystalline polymer-based materials. This study on electrospun poly… Show more

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Cited by 33 publications
(36 citation statements)
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“…3. In addition, ity after SVA treatment [45,46]. It is important to note that PCL crystallite growth is apparently restricted by the PEO phase with a rigid and more densely packed semicrystalline structure.…”
Section: Structural Characterization Of the Air Filtration Matsmentioning
confidence: 99%
See 3 more Smart Citations
“…3. In addition, ity after SVA treatment [45,46]. It is important to note that PCL crystallite growth is apparently restricted by the PEO phase with a rigid and more densely packed semicrystalline structure.…”
Section: Structural Characterization Of the Air Filtration Matsmentioning
confidence: 99%
“…PCL/PEO nanofiber mats were fabricated via an improved electrospinning method. In brief, 0.21 g of PEO powder and 0.5 g of PCL pellets were dissolved in 6.3 mL of chloroform solution and then stirred for 24 h at room temperature to obtain a uniform and transparent spinning precursor solution [45]. Next, the solution was allowed to stand for 1 h to drive the air bubbles out of the solution.…”
Section: Nanocomposites Fabricationmentioning
confidence: 99%
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“…[9,12] The solution containing 10 wt% PCL (or 8:2 by mass PCL/ m-iBuPOSS) was pumped through an 18-gauge syringe needle at a constant rate of 1 mL Á h À1 with a syringe pump (New Era, NE-300 series, Farmingdale, NY). A critical high voltage of 15-20 kV was used to generate an electrically charged solution jet.…”
Section: Preparation Of Electrospun Fibersmentioning
confidence: 99%