Abstract
Fabrication of sodium alginate (SA) nanofibers from its aqueous solutions by electrospinning is still a challenge, because of its rigid chain conformation and lack of chain entanglements. In this study, the electrospinnability was improved by introducing Ca 2+ cations to SA solutions. Rheological behavior of the electrospinning solutions was investigated. The physical properties of the solutions were also studied by a surface tension meter and a conductivity meter. The results showed that Ca 2+ cations enhanced the intermolecular interactions of SA solutions, and improved the electrospinnability of SA solutions.
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