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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 44, Issue 6 - Dec 2007
Volume 44, Issue 5 - Oct 2007
Volume 44, Issue 4 - Aug 2007
Volume 44, Issue 3 - Jun 2007
Volume 44, Issue 2 - Apr 2007
Volume 44, Issue 1 - Feb 2007
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Preparation and Properties of Acrylic Fibers from the Polyacrylonitrile Melt Formed by Hydration(I) -Isothermal Crystallization Behavior of the Hydrated Melt of Polyacrylonitrile-
Min, Byung-Gil ; Jo, Won-Ho ;
Textile Science and Engineering, volume 44, issue 2, 2007, Pages 75~79
Melting and isothermal crystallization behaviors of plasticized polyacrylonitrile (PAN) on adding water in a sealed state were studied. As water was added, the melting point of PAN was depressed sharply to reach a plateau region in which all the nitrile groups of the polymer were hydrated. The crystallization exotherms of PAN/water mixture showed complex profiles. On DSC analysis, it was found that the exotherm from the crystallization (dehydration) heat of the hydrated PAN was overlapped with the latent heats by the neat PAN and water which was not evolved during quenching. Thus, in order to investigate the dehydration kinetics of PAN/water mixture, it was required to separate the exothermic peak by the isothermal crystallization from the peaks by the evolution of latent heats of the each component, i.e., PAN and water. By subtraction of the latent heat contributed by neat PAN and water from the all isothermal exothermic heat of PAN/water mixture, the isothermal crystallization peak of PAN/water mixture was successfully obtained according to various crystallization temperature (
Electrospun Poly(vinyl alcohol) Mats Prepared by Adding Malic Acid and Lactic Acid
Jung, Yoon-Ho ; Cho, Min-Seok ; Lee, Un-Soo ; Khil, Myung-Seob ; Pak, Pyong-Ki ; Kim, Hak-Yong ;
Textile Science and Engineering, volume 44, issue 2, 2007, Pages 80~85
Poly(vinyl alcohol) (PVA) solutions were prepared by dissolving PVA in malic acid (MA)/distilled water, lactic acid (LA)/distilled water, and distilled water (DW) as a comparison solvent Viscosity and electric conductivity of PVA solution were determined by using a digital viscometer and electric conductivity' meter at room temperature, respectively. The morphological characteristics of the electrospun PVA nonwoven mats were investigated with a scanning electron microscopy (SEM) after gold sputtering. Also, mechanical properties of electrospun PVA nonwoven mats were measured by a universal testing machine (UTM). SEM results indicated that the electrospun fibers prepared from 4 wt% MA/DW as a solvent showed highly entangled structure due to their bent shape, which resulted in high mechanical strength of electrospun PVA nonwoven mats. Tensile strength and breaking elongation of electrospun PVA fibers prepared from 4 wt% MA/DW were over 12 MPa and 420%, respectively.
Elastic Textile Fabric Composite with High Electrical Conductivity as a Strain Sensor for Large Deformation
Cho, Seung-Hyun ; Kang, Tae-Su ; Lee, Jun-Young ;
Textile Science and Engineering, volume 44, issue 2, 2007, Pages 86~89
Elastic polypyrrole (PPy)/textile fabric composites with high electrical conductivity were prepared by coating PPy on an elastic nylon/spandex fabric through chemical and electrochemical oxidation of pyrrole in sequence. The electrical resistivity of the composite was extremely low as
at fairly low PPy content. We investigated the effects of the preparation conditions on the properties of the resulting fabric such as PPy content, surface morphology and electrical conductivity. We also studied mechanoelectrical properties of the elastic fabric by measuring the change of electrical resistance during extension of the fabric, observing monotonic increase of the electrical resistance with the elongation. We suggest that electrically conducting elastic fabric can be used as a strain sensor for large deformation.
Perfumed Finishing of Cotton Fabric by Treatment of
-cyclodextrin and Crosslinking Agent
Huh, Jong-Tea ; Lee, Kyung-Ju ; Pak, Pyong-Ki ; Chung, Yong-Sik ;
Textile Science and Engineering, volume 44, issue 2, 2007, Pages 90~96
]-cyclodextrin having an inclusion property was applied to perfumed finishing of textile goods.
-cyclodextrin was treated on the cotton fabric with polycarboxylic acid such as citric acid and butanetetracarboxylic acid. The fact that
-cyclodextrin is covalently bound to cotton fabric with butanetetracarboxylic acid was confirmed by IR spectrum, TGA thermogram, and dyeing with basic dye. In case of citric acid, the result was not satisfactory, which was supported by laundering durability experiment. When cotton fabric treated with crosslinking agent and
-cyclodextrin was compared with cotton fabric treated with only crosslinking agent, they gave similar values in dry wrinkle recovery angle. Perfumed finishing with
-cyclodextrin including perfume was possible.
Structural Characteristics and Hairiness of Friction Spun Yarns
Huh, You ; Kim, Young-Ryul ;
Textile Science and Engineering, volume 44, issue 2, 2007, Pages 97~105
Structure of staple yarns is an important factor that decides the physical and mechanical properties, which is dependent on the yarn formation mechanism. To improve the mechanical performance of the friction spun yarn and the manufacturing efficiency, this study dealt with structural characteristics of the O.E. friction spun yarn on the basis of the fiber trajectories, packing density, and orientation angle distribution. The influence of the twist on the yarn structure and yarn surface hairs also was investigated by applying the trace fiber method. Results show that the constituent fibers lie inside the yarn with uniform changes of the radial position along the yarn axis. The packing density shows the lowest value at the yarn center, while the density reaches the highest value at about between 2/3 and 4/5 of the yarn radius. Twist increase leads to the migration increase, which reduces the hairiness of the friction spun yarn.
Dyeing Properties of Nylon Filaments According to Spinning Process
Huh, Jong-Tea ; Lee, Kyung-Ju ; Pak, Pyong-Ki ; Chung, Yong-Sik ;
Textile Science and Engineering, volume 44, issue 2, 2007, Pages 106~111
Nylon filaments are manufactured by melt-spinning process such as UDY-DT (undrawn yarn-draw twist), POY (partially oriented yarn) and FDY (fully drawn yarn). In this study, dyeing properties of nylon filaments according to spinning process were investigated. The fact that microstructure of nylon filaments in amorphous region particularly is transformed by each spinning process was confirmed indirectly by measurement of dyeing rate because dyeing rate was affected by the structure of amorphous region. Diffusion rate of dye was fastest in POY not being drawn separately because drawing filaments increase amorphous orientation and disturb dye diffusion into amorphous region. Diffusion rate of dye was slower in UDY-DT having
-form crystal than in FDY having
-form crystal. But difference in K/S value, build-up and fastness was insignificant.
A Method of Measuring Dust Emission Rate for Textile Floor Coverings
Kim, Joo-Yong ; Jang, Joon-Hyung ; Kim, Min-Sun ;
Textile Science and Engineering, volume 44, issue 2, 2007, Pages 112~115
Airborne particles emitted from geologic media pose threat to human health and the environment worldwide due to expansion of infrastructure development to serve increasing population. Currently, most people make a living indoors. We know indoor atmosphere has a great effects to human's health. So we need to know a method of measuring the dust emission rate. We devised dust emission and measuring machine. This machine is connected to an acrylic box and an optical particle counter(OPC). A dust is originated by scratching machine in the box. Then dust emission rate, dust size and numbers are measured by OPC. The main aim of this study is standardization of the dust emission rate for textile coverings using this data.
Development of a Comfort Evaluation System for Interior Seat Covers Using a Stochastic Data Mining Hybrid Method
Kim, Joo-Yong ; Park, Baek-Soung ;
Textile Science and Engineering, volume 44, issue 2, 2007, Pages 116~122
Quantitative analysis for interior seat covers comfort properties was performed by estimating the tactile sensation from the surface characteristics. An artificial neural network based comfort evaluation system was developed for high comforts interior seat covers. The correlations between the comforts and the physical and thermal properties were examined by the regression analysis. A skin sensorial comfort of leather samples was evaluated by human tactile sensation. The adjectives of leather interior seat covers are 'soft', 'sticky' and 'elastic'. A thermo-physiological comfort of leather samples was evaluated by human tactile sensation. The adjectives of leather car seat covers are 'coolness to the touch' and 'thermal and humid'. This study used a MLP artificial neural network in order to predict interior seat com forts (high-class, sporty).