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醇处理对静电纺MWNTs/丝素/聚酰胺复合纤维性能的影响 被引量:2

Effect of ethanol vapor treatment on properties of electrospun MWNTs/silk fibroin/polyamine 6/66 fibers
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摘要 醇蒸汽对改善静电纺纤维的结构与性能具有重要作用。采用静电纺丝的方法制备了MWNTs/丝素/聚酰胺6/66复合纤维毡,并用无水乙醇蒸汽对其处理。研究发现,碳纳米管质量分数较少的试样中,纤维发生了溶胀,并粘连在一起,随着碳纳米管质量分数的增加,纤维只是发生了径向膨胀。乙醇蒸汽处理使纤维毡的结晶结构、热稳定性以及力学性能都得到了显著的提高。碳纳米管质量分数为0.1%时,结晶度从55.8%增加到63.9%,断裂强度、初始模量以及断裂伸长分别增加了45%、103%和134%。 Alcohol vapor treatment is a useful way in improving the structure and properties of electrospun nanofibers.Electrospinning was employed to produce MWNTs /silk fibroin /polyamine 6 /66 composite nanofiber mat which was then treated by ethanol vapor.The results indicated that the samples with less mass fraction of MWNTs exhibited swelling and conglutination,and the fiber with greater mass fraction presented only radial expansion.The ethanol vapor treatment evidently improved the degree of crystallinity,thermal stability and mechanical properties of the electrospun nanofiber mats.After alcohol vapor treatment,the degree of crystallinity of the sample increased from 55.8% to 63.9%,and the breaking strength,initial modulus and breaking elongation increased by 45%,103% and 134% respectively when the MWNTs mass fraction was 0.1%.
出处 《纺织学报》 EI CAS CSCD 北大核心 2010年第7期1-5,共5页 Journal of Textile Research
基金 教育部科学技术研究重点项目(2006056) 江苏省自然科学基金资助项目(BK2008151)
关键词 多壁碳纳米管 静电纺丝 再生丝素 聚酰胺6/66 微观结构 力学性能 MWNTs electrospinning regenerated fibroin polyamine 6 /66 copolymer microstructure mechanical property
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共引文献24

同被引文献35

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