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전기방사 거동의 정밀제어를 위한 전기방사 불안정성에 관한 기초적 연구
예나경,김한성,Ye, Nakyung,Kim, Hanseong 한국섬유공학회 2012 한국섬유공학회지 Vol.49 No.4
In this study, the instabilities of electrospinning were observed and evaluated by measuring the drop area, the current, and the electrical force using PVAc and PVA. Those values were measured simultaneously during electrospinning and the instabilities were analyzed as a function of time. The electrospinning was carried out by changing the voltages and the feed rates. The results suggest that different electrospinning conditions such as voltage, polymer, and flow rate caused different behaviors of instabilities, current and electric force, however, all the used methods were effective for studying the instabilities in electrospinning.
최세진,예나경,민문홍,김한성,Choi, Se Jin,Ye, Na Kyung,Min, Mun Hong,Kim, Han Seong 한국섬유공학회 2013 한국섬유공학회지 Vol.50 No.2
The most important characteristic of a nanofilament fabric is that it has a significantly higher surface area than conventional fabrics. Such nanofilament fabrics exhibit new physical properties that are unknown in conventional fibers, and it is anticipated that future demand of nanofilament fibers with improved fiber functionality could significantly increase. In this study, in order to analyze the size effect of the fiber, the optical properties of 800 nm and 600 nm filament fabrics were compared. The results showed that the 600 nm fabric had significantly more luster and less transparency as compared to the 800 nm fiber.