Niu, Haitao, Lin, Tong and Wang, Xungai 2008, Needleless-electrospinning of PVA nanofibres, in Proceedings of the International Conference on Advanced Textile Materials & Manufacturing Technology, Zhejiang University Press, Hangzhou, China, pp. 192-196.
In this paper, we demonstrated that a thin metal disk can be used as nozzle to electrospin PVA nanofibres on a large-scale. With the rotation of a disk covered with a thin layer of electrically charged PVA solution, a large number of fibres were electrospun simultaneously from two sides of the disk and deposited on the electrode collector. The fibre production rate can be as high as 6.0 glhr, which is about 270 times higher than that of a corresponding normal needle based electrospinning system (0.022 g/hr). The effects of applied voltage, the distance between the disk nozzle and collector, and PVA concentration on the fibre morphology were examined. The dependency of fibre diameter on the PV A concentration showed a similar trend to that for a conventional electrospinning system using a syringe needle nozzle, but the diameter distribution was slightly wider for the disk electrospun fibres. The profiles of electric field strength in disk electrospinning showed considerable dependence on the disk thickness, with a thin disk exhibiting similar electric field strength profile to that of a needle electrospinning system.
Field of Research
091012 Textile Technology
Socio Economic Objective
860499 Leather Products, Fibre Processing and Textiles not elsewhere classified
HERDC Research category
E2 Full written paper - non-refereed / Abstract reviewed
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