| 静电纺丝原理研究进展 |
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| 引用本文： | 薛聪,胡影影,黄争鸣. 静电纺丝原理研究进展[J]. 高分子通报, 2009, 0(6) |
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| 作者姓名： | 薛聪 胡影影 黄争鸣 |
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| 作者单位： | 同济大学航空航天与力学学院,上海,200092 |
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| 摘 要： | 纳米纤维具有直径小、比表面积大以及易于实现表面功能化的优点,受到广泛的关注.在众多制备纳米纤维的方法中,静电纺丝是一种高效的技术,其中同轴共纺技术由于能制备芯-壳(core-shell)结构的纳米纤维,也越来越引起人们的关注.本文介绍了基于电流体动力学的静电纺丝原理,讨论了静电纺丝相关原理研究进展,包括Taylor锥与喷射,纳米纤维的弯曲非稳定性,高聚物溶液/熔融体流动非稳定性,两相流流型及其转换,高聚物两相流流型及其转换,非牛顿流体流动非稳定性以及两种非牛顿流体分层流动等,最后指出了尚待解决的一些问题.
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| 关 键 词： | 静电纺丝 流体动力学 非牛顿流体 两相流 |
Recent Development in Study on Mechanism of Electrospinning |
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| XUE Cong,HU Ying-ying,HUANG Zheng-ming. Recent Development in Study on Mechanism of Electrospinning[J]. Polymer Bulletin, 2009, 0(6) |
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| Authors: | XUE Cong HU Ying-ying HUANG Zheng-ming |
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| Affiliation: | School of Aerospace Engineering & Applied Mechanics Tongji University;Shanghai 200092;China |
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| Abstract: | Due to tiny diameter,big specific surface area,and ability to achieve surface functionalization easily,nanofibers are attracting great attentions world widely.Electropinning is an effective method to produce continuous nanofibers,whereas more advanced coxial-electrospinning technique can be used to fabricate core-shell composite nanofibers.In this review article,the fundamental issues with electrospinning based on electrohydrodynamics are addressed.Special attention is paid to recent studies on mechanism of... |
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| Keywords: | Electrospinning Hydrokinetics Non-Newtonian fluid Two-phase flow |
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