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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Textile Science and Engineering
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Journal DOI :
The Korean Fiber Society
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Volume & Issues
Volume 46, Issue 6 - Dec 2009
Volume 46, Issue 5 - Oct 2009
Volume 46, Issue 4 - Aug 2009
Volume 46, Issue 3 - Jun 2009
Volume 46, Issue 2 - Apr 2009
Volume 46, Issue 1 - Feb 2009
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Dye-resist Properties of Poly(MAn-co-VAc) in Reactive Dyeing of Cotton
Yoon, Kee-Jong ; Kim, Kyu-Oh ; Seo, Young-Sam ;
Textile Science and Engineering, volume 46, issue 3, 2009, Pages 123~128
Poly(maleic anhydride-co-vinyl acetate) copolymers were prepared by copolymerization in toluene, using AIBN as initiator. Cotton knit fabric was treated with poly(MAn-co-VAc) and the changes in the dye resist property with molecular weight, concentration and curing time was studied. The dye resist ability was evaluated by colorimetric analysis. Higher molecular weight copolymers were more efficient in blocking the dye. This appears to be due to the preferential reaction of the copolymer on the surface of cotton fabric, where the longer chains are more efficient in blocking the penetration of the dye into the fiber, due to the hydrophobic nature of the vinyl acetate comonomer. The blocking effect increased with concentration of the blocking agent padding bath, but yellowing occurred at concentrations above 30 wt%. Although dye resist effect was best when curing time of poly(MAn-co-VAc) was 2 min 30 see, the cotton fabric turned yellowish. Therefore, curing time should be less than 2 min 15 sec in order to avoid yellowing effect and obtain good dye resist property.
Absorbency Characterization of Polyester Fabrics Modified with Nitrogen Compounds
Kwon, Min-Young ; Choi, Hyung-Min ; Hong, Cheol-Jae ;
Textile Science and Engineering, volume 46, issue 3, 2009, Pages 129~135
Polyester fabric was modified with two nitrogen compounds, i.e., choline chloride(CC) and ethylenediamine(EDA) to enhance its absorbency. Thermosol fixation at
was used for CC treatment whereas a simple immersion at
was employed for EDA. To evaluate the absorbency, spreading area of water drop on the specimen was measured with the computer-interfaced image analysis system. We developed semi-empirical model to rationalize the absorbency results. Dyeing with acid dyes and tensile strength test were carried out to characterize the modified polyester. The results indicated that CC treatment could be highly feasible in hydrophilic modification of polyester without reduction in mechanical property that was often shown with a conventional alkaline treatment such as EDA.
A Novel Method for Melt Spinning of Mineral Fibers
Kim, Hyung-Jin ; Yang, Hee-Won ; Jeon, Kyung-Jin ; Huh, You ;
Textile Science and Engineering, volume 46, issue 3, 2009, Pages 136~142
Nowadays many kinds of inorganic fibers are used in various industry fields. However, their superior mechanical and thermal properties are utilized in a limited way due to the environmental regulations that become tighter and stronger with time. This motivates to develop new environment-friendly inorganic material especially for the field, where the high performance material under a wide range of operation circumstances is required. This research reports on the a super-high temperature melt spinning method applicable for manufacturing mineral fibers. The spinning system is composed of a furnace, a crucible along with a refractory system, and a take-up device. Results show that the new crucible spinning system can be used for spinning mineral fibers effectively. The basalt rocks as a test raw material could be molten and transformed into fibers through the direct spin-drawing procedure. The form and size of the raw material affected the spinnability. The device playing the role as the forehearth bushing is very important to assure a !continuous process. The fiber diameter and the drawing speed could be described by a reciprocal relationship.
A Study on Rheological and Mechanical Properties of Polyurethane with Functional Particles of Micron Size
Kim, Jae-Woo ; Jeon, Hoon-Cheol ; Lee, Eun-Mi ; Bae, Sang-Soo ; Ji, Byung-Chul ; Cho, Kwang-Soo ;
Textile Science and Engineering, volume 46, issue 3, 2009, Pages 143~152
It is of importance to understand the viscosity behavior of polymer solutions containing microcapsules of various functionalities in manufacturing desired functional fibers and fabrics. Polymer solutions with functional microcapsules are called complex fluids because their viscosities depend on various factors such as molecular weight and its distribution of binder polymers, and content, material characteristics, size and shape of the microcapsules. In this paper, we have investigated the dynamic rheological properties of the complex fluids and the mechanical properties of the film prepared from the complex fluids in terms of content of the microcapsules.
Preparation of Multiple Fillers Using Carbon Nanotube/Glass Fiber for Reinforcement
Kang, Min-Sung ; Kim, Hun-Sik ; Kim, Seong-Taek ; Jin, Hyoung-Joon ;
Textile Science and Engineering, volume 46, issue 3, 2009, Pages 153~159
We report a simple and mass-producible method for incorporating multiwalled carbon nanotubes (MWCNTs) on the surface of chopped glass fibers for applications to glass-fiber reinforced plastics. The MWCNTs were synthesized by thermal CVD. In order to eliminate impurities in the MWCNTs (such as metallic catalysts), the MWCNTs were treated in acid mixture (sulfuric acid/nitric acid=3:1 (v/v)) at
for 24 h, followed by a reflux process in 5 M HCl at
for 6 h. The multiple fillers, such as MWCNTs/glass fibers for reinforcement, were prepared by dipping the chopped glass fibers in a well-dispersed alcohol MWCNT solution (0.1 wt%). Field emission scanning electron microscopy showed MWCNTs generated on the microscopic glass fibers. Moreover, the MWCNTs piled up on the surface of the glass fibers with increasing absorption time. The mechanical properties of the ABS were enhanced by the incorporation of MWCNT-coated glass fibers.
Investigation and Interpretation of Changes in Tensile Properties of Cotton Fibers during Dry/Wet Processes
Doh, Song-Jun ;
Textile Science and Engineering, volume 46, issue 3, 2009, Pages 160~166
The effects of dry processes and wet processes exerted on cotton fibers from harvesting through repeated washing/drying of garments were investigated. Cotton ginning and carding, as dry processes were designed for enhancing fiber alignment as well as cleanliness of fibers to be processed to subsequent processes. However, these processes somehow damage fibers physically. In addition, repeated washing/drying of garments, as wet processes, also results in degradation of fibers within the garments. In this research the effects of these steps on tensile and dimensional properties of fibers. A theoretical structural model was suggested in order to explain the results shown in the research.
Puncture Resistance Evaluation of Geosynthetics for Protection of HDPE Geomembrane Water Barrier in Waste Landfill
Lee, Kwang-Yeol ; Chang, Yong-Chai ; Chung, Chin-Gyo ; Joo, Chang-Whan ; Jeon, Han-Yong ;
Textile Science and Engineering, volume 46, issue 3, 2009, Pages 167~173
This study is focused on the protection effects of geosynthetics installed on HDPE water barrier in waste landfill to resist against puncture loads. It was conducted by a model test with various types of puncture loads created by different shapes of tools. The puncture resistance of geosynthetics installed as a protective material on HDPE (High density polyethylene) water barrier is varied with the sizes of geosynthetics and types of puncture loads. Finally, it was found that the protection effect for all kinds of geosynthetics when a truncated cylindrical shape of puncture tool is used is lower than others. Also, geocomposite as is the most effective against puncture for all types of puncture loads.
Comparative Study on the Effects of Ginning and Carding Methods on Tensile Properties of Cotton Fibers from Processing Stages and Garments
Doh, Song-Jun ;
Textile Science and Engineering, volume 46, issue 3, 2009, Pages 174~180
Ginning and carding processes, as opening processes of cotton spinning, give both positive and negative influences on tensile properties of cotton fibers. These processes open and clean harvested fibers while result in decrease in breaking strength and breaking elongation of fibers. In this paper the changes in tensile properties from the opening process to steps of repeated washing/drying of garments were measured and analyzed based on the results of tensile tests on individual cotton fibers. We ginned cottons with three ginning rates and analyzed the tensile properties. It seemed that a certain threshold value of processing rate exists for showing critical detrimental effects on breaking strength of individual fibers while higher process rate resulted in increase in breaking elongation. Compared to tensile properties of hand-ginned cotton, processes performed by opening machine damaged tensile properties of fibers significantly. Subsequent processes (carding, before/after garment laundering) in addition to the ginning process also influenced the tensile properties significantly. While the tensile strength of individual fibers decreased during spinning and knitting processes, the breaking elongation decreased significantly during repeated laundering stages. These phenomena can be explained by the fact that dry processes affect tensile strength while wet processes tensile elongation of individual fibers.
Analysis on the Tensile Property of Hanji(I) - Theoretical Consideration -
Park, Tae-Young ; Joo, Chang-Whan ;
Textile Science and Engineering, volume 46, issue 3, 2009, Pages 181~186
Owing to formation of fiber fibrillation and application of binder bonding, pressing device, and curing process, the characteristic of prepared Hanji(korean traditional paper) is a thin structure, relatively high tensile strength and stiffness. To predict tensile property of Hanji, in the present work, a theoretical equation including tensile property of fiber, curl factor, orientation distribution function, and Poisson's ratio of Hanji was derived in consideration of fiber stress limit, slippage effect, and thickness. For accurate tensile property of Hanji, new definition of fiber stress limit was introduced. By applying the concept of finer tape yarn and thickness factor, this paper modified the earlier prediction theory of tensile stress of the nonwoven fabrics. In a next paper, the comparative analysis between this theoretical theory and experimental tensile behavior of Hanji will be discussed.
Interpretation of Uni-axial and Tri-axial Compressive Behaviors of Geotextiles Reinforced Soils
Kim, Hyun-Joong ; Kim, Yoon-Jin ; Byun, Sung-Won ; Jo, Chang-Whan ; Jeon, Han-Yong ;
Textile Science and Engineering, volume 46, issue 3, 2009, Pages 187~191
In this study, the effects of geosynthetics reinforcements on compressive behaviors of weathered granite soils were investigated by uni-axial and tri-axial compression tests. Geogrid, geomat, and polyethylene slit film fiber were used as reinforced geosynthetis. From the experimental results, these geosynthetics reinforcement effects could increase the compressive strength of soil and especially, the reinforced effects of geogrid and geomat were extremely excellent compared to polyethylene slit film fiber reinforced. This effect is larger for 3 layer geosynthetics used. For triaxial compression test, despite unconsolidated undrained condition, it is seen that the increasing shear strength of the weathered granite soils is due to the increasing adhesive power.