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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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In this work, effects of fiber blend ratios and heat treatments on structural and physical properties of ternary composite nonwovens were investigated. Composite nonwovens were fabricated using different blend ratios of nylon, PET, and PTT/PET fibers and were treated in hot-air flow or hot-water immersion. Morphological and pore structure of composite nonwovens were analyzed by SEM and PMI, respectively. Tensile properties of composite nonwovens were measured by Instron with different loading directions. Although shrinkage behavior of PTT/PET bicomponent fibers (bicofibers) increased surface bulkiness of nonwovens via heat treatments, evenness of composite nonwovens was improved in proportion with the ratio of bicofibers. Average pore size of composite nonwovens was decreased owing to heat treatments, and hot-air treatment was found to be a more suitable process for achieving a uniform pore structure compared to hot-water treatments. Pore size distribution of composite nonwovens was found to be narrow with hot-air flow treatments but was widened with increasing bicofiber content. Tensile strength and tensile modulus of nonwovens were inversely proportional to PTT/PET bicofiber content, and their values were observed to considerably decrease in the cross-direction of composite nonwovens. From the results, we confirm that the structural stability of composite nonwovens was improved significantly by heat treatments owing to curling behavior of bicofibers in proportion with content of bicofibers.
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참고문헌 (18)
참고문헌 신청
T. H. Cho / 2010 / Composite Nonwoven Separator for Lithium-ion Battery : Development and Characterization / J. Power Sources 195:4272~4277
D. V. Parikh / 2006 / Reducing Automotive Interior Noise with Natural Fiber Nonwoven Floor Covering Systems / Text. Res. J 76:813~820
A. Rawal / 2007 / Comparative Study between Needlepunched Geotextile Structure Made from Flax and Polyester Fibres / Geotext. Geomembr 25:61~65
H. Wang / 2008 / Antibacterial Properties of PLA Nonwoven Medical Dressing Coated with Nanostructured Silver / Fiber. Polym 9:556~560
M. Mohanmmadi / 2002 / Air Permeability of Multilayer Needle-Punched Nonwoven Fabrics: Theorical Method / J. Ind. Text 32:45~57
D. V. Parikh / 2006 / Reducing Automotive Interior Noise with Natural Fiber Nonwoven Floor Covering Systems / Text. Res. J 76:813~820
A. Rawal / 2007 / Comparative Study between Needlepunched Geotextile Structure Made from Flax and Polyester Fibres / Geotext. Geomembr 25:61~65
H. Wang / 2008 / Antibacterial Properties of PLA Nonwoven Medical Dressing Coated with Nanostructured Silver / Fiber. Polym 9:556~560
M. Mohanmmadi / 2002 / Air Permeability of Multilayer Needle-Punched Nonwoven Fabrics: Theorical Method / J. Ind. Text 32:45~57
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