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

被引：13
|
作者：
Zhang Xiaoli [1 ,2 ]
Tang Keyong [1 ]
Zheng Xuejing [1 ]
机构：
[1] Zhengzhou Univ, Coll Mat Sci & Engn, Zhengzhou 450001, Peoples R China
[2] Zhongyuan Univ Technol, Coll Text Engn, Zhengzhou 450007, Peoples R China
来源：
JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION | 2015年 / 30卷 / 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; NANOFIBROUS SCAFFOLDS; SILK FIBROIN; IN-VITRO; COLLAGEN; MORPHOLOGY; VISCOSITY;
D O I：
10.1007/s11595-015-1239-x
中图分类号：
T [工业技术];
学科分类号：
08 ;
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 micro-nanofibers. The chemical structures of PVA/COL electrospun fibers were also characterized by FTIR.
引用
收藏
页码：840 / 846
页数：7
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