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손은종,정성훈,Son, Eun-Jong,Jeong, Sung-Hoon The Korean Fiber Society 2017 한국섬유공학회지 Vol.54 No.5
Well-dispersed nanosilver particles were synthesized by a chemical reduction method, where silica was treated with amino groups, mercapto groups, and polyvinylpyrrolidone (PVP) as a dispersant. Transmission electron microscopy (TEM) images showed that both the concentration and the molecular weight of PVP considerably affected the size of the silver nanoparticles. The average size of the silver nanoparticles prepared with amino-treated silica increased with increasing PVP concentration, whereas the size of the silver nanoparticles prepared with mercapto-treated silica was not affected by the PVP concentration. As the molecular weight of PVP increased, the average size of the silver nanoparticles also increased. The number of silver particles formed with mercapto-treated silica was larger, and the size distribution was narrower than those formed from aminotreated silica.
멜트블로운 부직포를 이용한 전열교환소자의 특성 연구 (II) -폴리프로필렌과 나일론 멜트블로운 부직포 특성 고찰-
이창환,이종현,권은희,이경주,손은종,김성훈,Lee, Chang-Hwan,Lee, Jong-Hyun,Kwon, Eun-Hee,Lee, Kyung-Ju,Son, Eun-Jong,Kim, Seong-Hun 한국섬유공학회 2010 한국섬유공학회지 Vol.47 No.6
An enthalpy exchanger made from meltblown was prepared by a range of physical treatments to identify the production potential, and its characteristics were compared with an enthalpy exchanger based on polypropylene (PP). SEM revealed excellent compatibility between nylon and PVA. Various measurements were carried out as a function of the calendering temperature and speed, content of moisture absorbent, and concentration of water soluble polymer. The optimum conditions for the enthalpy exchanger made from nylon meltblown were as follows: a calendering temperature of $124^{\circ}C$, calendering speed of 2 m/min, and pick-up of 8~10%. The tensile strength of nylon was higher than that of the PP materials. In conclusion, nylon melt-blown nonwoven has greater potential than PP melt-blown nonwoven and can be used as a substitute in commercial paper type heat exchangers.