戊二醛
纳米纤维
静电纺丝
材料科学
高分子化学
丙酮
化学工程
傅里叶变换红外光谱
延伸率
复合材料
聚合物
化学
极限抗拉强度
有机化学
工程类
作者
Mentik Hulupi,Haryadi Haryadi
标识
DOI:10.1016/j.matpr.2019.03.214
摘要
Electrospinning of PVA nanofiber-crosslinked by glutaraldehyde (GA) has been prepared and characterized. The PVA nanofibers have been produced by injecting 10 % w/v of PVA into electrospinning machine. The in-situ method has been used for crosslinking step for 4 hours using 0.5 M glutaraldehyde in acetone toward PVA nanofibers. The Infrared spectra have shown the formation of acetal linkages (-C-OC-) within crosslinked PVA nanofibers as compared to the pristine PVA nanofiber. The SEM images displayed the increment in thickness and diameter up to 250 nm. Improvement of mechanical properties of PVA nanofibers have been observed by elongation values.
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