The Effect of Humidity on the Morphological Evolution of β-Chitin Prepared by Electrospinning

C. Tsai, C. Chung
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Abstract

The β-chitin nanofiber composite was prepared by the electrospinning method. When β-chitin and its compounds are blended with polyethylene oxide (PEO), the electrospinning performance is significantly improved. The fiber diameter of the mixed β-chitin/PEO nanofiber is about 355nm, but with the longer storage time in a high humidity environment, the fiber diameter will increase to 3.75μm after 7 days, and the melting temperature (Tm) will be 12 oC higher than that of the initial spinning.
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湿度对静电纺丝制备β-几丁质形态演变的影响
采用静电纺丝法制备了β-几丁质纳米纤维复合材料。当β-几丁质及其化合物与聚氧聚乙烯(PEO)共混时,静电纺丝性能显著提高。混合制备的β-几丁质/PEO纳米纤维的纤维直径约为355nm,但随着在高湿环境下储存时间的延长,7天后纤维直径增加到3.75μm,熔融温度(Tm)比初始纺丝时高12℃。
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