期刊
FIBERS AND POLYMERS
卷 17, 期 10, 页码 1634-1640出版社
KOREAN FIBER SOC
DOI: 10.1007/s12221-016-6035-5
关键词
Electrospinning; Break-up frequency; Electrostatic energy; Surface energy; Stable jet voltage model; Surface tension; PVP
资金
- Soongsil University
The major concern in electrospinning process is the occurrence of jet formation. In order to study physical properties of the solution and process parameters, stable jet voltage model is developed to predict the stabilized jet in electrospinning. Break-up frequency model, that predicts behavior of drop breaking, is the theoretical background for stable jet voltage model. This newly developed model based on the previous work gives a clue to produce stable nano thickness fibers and the results are compared with the experimental data by PVP electrospinning. The result of Stable jet voltage modeling shows that surface tension is the most important factor and molecular weight and concentration are both negligible for surface tension of solutions. Surface tension of the solution depends on the types of solvent. Therefore; surface tension of solution has different values of stable jet voltage. The stable jet voltage model that predicts the most similar experimental value is SIC hemispherical model under force mode.
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