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김북성,이지완,육연수,이승구,Kim, Book-Sung,Lee, Ji-Wan,Yook, Yeon-Sue,Lee, Seung-Goo 한국섬유공학회 2010 한국섬유공학회지 Vol.47 No.2
Recently, one dimensional structures such as nanotubes or nanofiber prepared from metal oxides draw wide range of attention because they can be used in various applications such as sensor, catalyst, filter and medical fields. In this study, iron oxide nanofibers were prepared by a sol-gel reaction and electrospinning method. To obtain iron oxide nanofibers, as-spun organic-inorganic hybrid nanofibers were calcined at a high temperature, and the iron oxide nanofibers obtained were characterized by using scanning electron microscopy, FTIR, and X-ray diffractometry. From the X-ray analysis, the crytal growth of iron oxide nanofibers was identified.
아라미드 섬유의 플라즈마 처리에 따른 클로로프렌 고무와의 계면접착 특성
이태상,김북성,최한나,이기윤,이승구,Lee, Tae-Sang,Kim, Book-Sung,Choi, Han-Na,Lee, Kee-Yoon,Lee, Seung-Goo 한국섬유공학회 2010 한국섬유공학회지 Vol.47 No.3
The interfacial adhesion between the chloroprene rubber (CR) and aramid fiber treated with cold plasma was investigated. The surface properties of aramid fiber and CR were characterized by scanning electron microscopy (SEM), atomic force microscopy (AFM) and dynamic contact angle (DCA) measurements. The surface morphology of the aramid fiber changed with the plasma treatment time, power and gas flow rate. The interfacial shear strength, between the plasma treated aramid fiber and CR, was calculated using the pull-out test results. The interfacial adhesion properties of the aramid fabric/CR composite were determined using a T-peel test. Consequently, the strong interaction between the plasma treated aramid fiber and CR matrix improved the interfacial adhesion strength of the composite.
3성분 섬유 혼용에 의한 Wet-laid 부직포의 구조 및 공학적 성능 평가
차주희,김북성,복진선,전한용,Cha, Ju Hee,Kim, Book Sung,Bok, Jin Seon,Jeon, Han-Yong 한국섬유공학회 2016 한국섬유공학회지 Vol.53 No.2
In this study, polyarylate nonwoven fabrics were manufactured by a wet-laid process by using viscose rayon and amorphous PET fiber as binding fibers. The engineering performance was evaluated after calendering to obtain a compact structure. From the polyarylate wet-laid nonwoven fabrics, it was confirmed that polyarylate fiber and binding fibers were mixed evenly. Through calendering, the permeability and pore size of the wet-laid nonwoven fabrics were significantly reduced owing to the compact structure. The bending strength and tensile strength increased through calendering, but the tensile elongation decreased. From an analysis of the tensile properties, monolayer wet-laid nonwoven fabrics showed better evenness than multilayer wet-laid nonwoven fabrics. In addition, multilayer wet-laid nonwoven fabrics showed a higher anisotropy than monolayer wet-laid nonwoven fabrics.