Electrospinning and Rheological Behavior of Poly(vinyl alcohol)/Collagen Blended Solutions

被引：0

作者：

张晓莉 ^{[1
,2
]}

汤克勇 ^{[1
]}

ZHENG Xuejing ^{[1
]}

机构：

[1] College of Materials Science and Engineering, Zhengzhou University

[2] College of Textile Engineering,Zhongyuan University of Technology

来源：

Journal of Wuhan University of Technology(Materials Science) | 2015年 / 04期

基金：

中国国家自然科学基金;

关键词：

electrospinning; PVA/COL blended solution; micro-nanofibers; rheological behavior;

D O I：

暂无

中图分类号：

TQ342.41 [];

学科分类号：

0805 ; 080502 ;

摘要：

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.

引用

页码：840 / 846

页数：7

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