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首页 > 学术中心 > 学术ASAP > Needleless electrospinning for continuous nanofiber production
 

Needleless electrospinning for continuous nanofiber production

 
发布日期:2015-12-10     来源:永康乐业
 

Corona-electrospinning: Needleless method for high-throughput continuous nanofiber production.

Kolos Molnara, Zsombor K. Nagy

European Polymer Journal,Volume 74, January 2016, Pages 279-286

Graphical abstract

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Abstract  

A novel spinneret and modified electrospinning method is introduced wherewith nanofibers can be produced with high-throughput. The main conception of the system is to continuously supply the polymeric solution through a narrow, but long gutter bounded by a metal electrode having sharp edge. As there is no high free liquid surface volatile and low boiling point solvents can be applied that makes the method suitable for pharmaceutical and biomedical applications. In this study the operation of the spinneret was tested with polyacrylnitrile/dimethyl-formamide and poly-vinylpirrolidone/ethanol solutions. The charge concentration  related from the construction  was investigated by finite element analysis. The highest electrical charge density is formed along the sharp edge what results many self-assembled Taylor-cones that is also confirmed by the first operation experiences. The productivity of the technique can be two orders of magnitude higher than that of the single capillary method.                                        






 

 
 
 

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