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Property Research of Silk Fibroin Nanofibers by Electrospinning Dissolved in CaCl2-Formid Acid

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Abstract:

In this paper, property research of silk fibroin nanofibers by electrospinning dissolved in CaCl2-Formid Acid was discussed. The dissolve process, morphology, structure and mechanical properties of fibers were studied. It showed that more dissolution time was needed to dissolve silk with 1% CaCl2. The diameters of silk fibroin nanofibers decreased with the CaCl2 contents increased and the surface of 6%5% fibers was more uniform and smooth. After ethanol treatment, strong peak at 1628cm-1, 1517cm-1 and 1231cm-1 was corresponding to β-sheet. It was important to discover that silk fibroin was weakly destroyed in CaCl2-FA solvent system, and the regenerated silk fibroin nanofibers had better mechanical properties. The stress of 6%5% fibers was nearly 3 times to traditional way. With different content of CaCl2, the stress of 6%5% fibers was nearly 2 times to 6%1% fibers.

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Info:

Periodical:

Advanced Materials Research (Volumes 1120-1121)

Pages:

331-336

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1120-1121.331

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Cite this paper

Online since:

July 2015

Authors:

Yan Zhou, Hui Ying Wu

Keywords:

CaCl2-Formic Acid System, Electrospinning, FTIR, Mechanical Properties, Morphology, Silk Fibroin Nanofibers

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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