材料科学
纳米纤维
壳聚糖
明胶
热塑性聚氨酯
差示扫描量热法
生物相容性
傅里叶变换红外光谱
扫描电子显微镜
混溶性
化学工程
静电纺丝
复合材料
纳米复合材料
聚氨酯
高分子化学
聚合物
化学
弹性体
有机化学
物理
工程类
冶金
热力学
作者
Sadaf Samimi Gharaie,Sima Habibi,Hossein Nazockdast
出处
期刊:Journal of textiles and fibrous materials
[SAGE]
日期:2018-01-01
卷期号:1
被引量:58
标识
DOI:10.1177/2515221118769324
摘要
Polymer blending is a method to provide nanocomposite nanofibers with improved strength and minimal defects. Chitosan exhibits biocompatibility, biodegradability, antimicrobial activity, and wound healing properties. A combination of gelatin and thermoplastic polyurethane (TPU) blends was explored as a means to improve the morphological deficiencies of chitosan nanofibers and facilitate its electrospinnability. The morphology of the electrospun chitosan, chitosan/gelatin, and chitosan/gelatin/TPU blend nanofibers were characterized using scanning electron microscopy (SEM), while the miscibility and thermal behavior of the blends were determined using differential scanning calorimetry (DSC) and Fourier transform infrared spectroscopy/attenuated total reflectance (FTIR/ATR). The optimum results were achieved in blend with 3 wt% chitosan, 8 wt% gelatin, and 5 wt% TPU, which resulted nanofibers with a mean diameter of 100.6 nm ± 17.831 nm.
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