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폴리비닐리덴플루오라이드로 코팅한 폴리아닐린센서의 메탄올에 대한 감응 특성과 장기안정도 고찰
손성옥,김정숙,허증수,Sohn Sung-Ok,Kim Jung-Suk,Huh Jeung-Soo 한국재료학회 2004 한국재료학회지 Vol.14 No.4
The problem of polyaniline (PANi) sensor has been poor mechanical and chemical stability under atmosphere condition. In order to overcome these problems, the PANi sensor coated with polyvinylidenefluoride ($PVF_2$) was employed. The morphology of $PVF_2$ coated-PANi layer was showed smooth and transparent properties at 15% concentration of coating solution. The resistance of $PVF_2$ coated-PANi was kept at constant value and had a good stability at long-term periods in presence of humidity.
유화-확산법을 이용한 폴리스티렌 방향 나노 입자의 제조: 특성 및 방출 거동
이소민,손성옥,김윤미,이홍열,김민관,최진현,김한도,Lee, So-Min,Sohn, Sung-Ok,Kim, Yun-Mi,Lee, Hong-Youl,Kim, Min-Kwan,Choi, Jin-Hyun,Ghim, Han-Do 한국섬유공학회 2007 한국섬유공학회지 Vol.44 No.1
An attempt was carried out to suggest a nano-sized agent for durable fragrant finishing of fabrics. By adopting emulsification-diffusion method, we could prepare polystyrene (PS) aromatic nanoparticles (ANP) with lavender oil (LO) in core. Effects of process parameters on mean particle sire and its distribution of PS-ANPs were also examined. With controlled preparative condition, we could obtain PS-ANPs of diameters ranging 200 to 400 nm with narrow distribution. PS-ANPs were coated with poly(vinyl alcohol) layer to restrict the diffusion of LO from PS-ANPs. Sustained release properties of PS-ANPs were also evaluated.