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Water treatment to reduce the porosity of nanowebs: A novel way
  • Sedigheh Aghayari
Sedigheh Aghayari
Amirkabir University of Technology Department of Textile Engineering

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Abstract

Here away used to reduce the porosity of the nanofibers, which is removing polyvinyl alcohol (PVA) nanofibers from PVA/poly amide 6 (PA6) nanofibers by water treatment. Measuring the porosity of the electrospun web before and after treatment by the Brunauer, Emmett and Teller (BET) method proved this. The specific surface area of the web was 60 % reduced after water treatment. Surface roughness and pore volume have reduced after water treatment. Also, I introduced BET as the method for measuring the diameters of mesopores (or lower than 100nm). I used BET to prove that the cracks can make mesopores on the nanofibers.