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Electrospinning and rheological behavior of poly (vinyl alcohol)/collagen blended solutions

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Abstract

Poly(vinyl alcohol)/collagen (PVA/COL) micro-nanofibers were successfully prepared by electrospinning process. Water, green, and non-toxic was used as the solvent. The electrospun mats consisted of micro-nanoscale fibers with mean diameter ranging from approximately 363 nm to 179 nm. It was observed that the mean diameters of PVA/COL electrospun fibers decreased with increasing collagen content. The effects of PVA/COL blending ratio on the rheological behavior of PVA/COL blended solutions were investigated by rotate rheometer. It was found that PVA/COL blended solutions behaved as Non-Newtonian fluids. With increasing collagen content, the Non-Newtonian index (n) of PVA/COL blended solutions decreased. Meanwhile, a linear relationship was found between the Non-Newtonian index (n) and the mean diameters of the PVA/COL micronanofibers. The chemical structures of PVA/COL electrospun fibers were also characterized by FTIR.

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Correspondence to Keyong Tang  (汤克勇).

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Funded by the National Natural Science Foundation of China (Nos. 21076199, 51373158) and the Department of Science and Technology of Henan Province (No. 124300510)

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Zhang, X., Tang, K. & Zheng, X. Electrospinning and rheological behavior of poly (vinyl alcohol)/collagen blended solutions. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 30, 840–846 (2015). https://doi.org/10.1007/s11595-015-1239-x

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  • DOI: https://doi.org/10.1007/s11595-015-1239-x

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