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首页> 外文期刊>The Journal of the Textile Institute >Preparation and characterization of crosslinked electrospun pullulan nanofiber membrane as a potential for biomaterials
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Preparation and characterization of crosslinked electrospun pullulan nanofiber membrane as a potential for biomaterials

机译：交联电纺支链淀粉纳米纤维膜的制备和表征作为生物材料的潜力

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Pullulan nanofiber membrane (Pull-NM) was prepared by electrospinning method and its stability in the water was improved by a chemical crosslinking with mixed solution of ethylene glycol diglycidyl ether (EGDE) and ethanol absolute as crosslinking agent. The effect of crosslinked pullulan nanofiber membrane (C-l-Pull-NM) with different process conditions was studied and the excellent crosslinking reaction condition is proved to be 1:70 (EGDE: ethanol absolute) for 24h. The analytical methods, including SEM, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and differential scanning calorimetry, were used to study morphology, structure, and thermal performance of the nanofiber membrane. In addition, the swelling behavior and tensile were also discussed. The results showed that the water resistance of crosslinked nanofiber membrane had a significant improvement. Furthermore, the maximum water absorption and the strength were reached to about 520 and 192.7%, respectively.
机译：采用静电纺丝法制备支链淀粉纳米纤维膜（Pull-NM），通过乙二醇二缩水甘油醚（EGDE）和无水乙醇的混合溶液作为交联剂进行化学交联，提高了其在水中的稳定性。研究了不同工艺条件下交联支链淀粉纳米纤维膜（C-1-Pull-NM）的作用，并证明24小时优良的交联反应条件为1:70（EGDE：无水乙醇）。使用包括SEM，傅立叶变换红外光谱，X射线光电子能谱和差示扫描量热法在内的分析方法来研究纳米纤维膜的形貌，结构和热性能。另外，还讨论了溶胀行为和拉伸。结果表明，交联纳米纤维膜的耐水性有了明显的提高。此外，最大吸水率和强度分别达到约520和192.7％。

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