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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 53, Issue 2 - Apr 2016
Volume 53, Issue 1 - Feb 2016
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Dyeing and Antimicrobial Properties of Chitosan-Treated Bamboo/Cotton Blended Fabric with Dye from Pomegranate Rind
Shin, Younsook ; Yoo, Dong Il ;
Textile Science and Engineering, volume 53, issue 2, 2016, Pages 63~67
DOI : 10.12772/TSE.2016.53.063
This study aims to develop ecofriendly textile products that exhibit antimicrobial properties. The surface of the bamboo/cotton blended fabric was treated with chitosan to improve the fabric's accessibility to natural acidic colorant, and to imbue it with chitosan's antimicrobial properties. The effect of the chitosan treatment was evaluated in terms of the following properties of the fabric after dyeing it with natural pomegranate-rind extract: dye uptake, color, colorfastness, antimicrobial activity, and physical properties like stiffness, wettability, and air permeability. For the fabrics treated with 0.5% chitosan concentration, the color yield (K/S value) improved by 2-3 times (depending on the colorants' concentration) compared to that of the untreated fabric. The shade of dyed fabrics was not changed by the chitosan treatment, and the fabrics continued to have the same Y Munsell color series as before. Colorfastness was not affected by the chitosan treatment either. However, with chitosan treatment, the fabrics got stiffer, more air permeable, and more water repellent. The treated fabrics also showed excellent antimicrobial activity against S. aureus and K. pneumoniae.
Study of the Olefin Adhesion Layer Produced by Melt-blowing LDPE
Kim, Chang Hun ; Choi, Se Jin ; Lee, Hyun Seok ; Kim, Han Seong ;
Textile Science and Engineering, volume 53, issue 2, 2016, Pages 68~74
DOI : 10.12772/TSE.2016.53.068
This study investigated the interrelationships between some properties of low-density polyethylene (LDPE) web fibers produced by the melt-blown technique. Variations in the LDPE fiber's diameter and uniformity were correlated against variations in throughput pressure, hot air pressure, and nozzle temperature. The bond strength of the LDPE web adhesion layer was found to be lower than that of LDPE film. However, the LDPE web adhesion layer's air permeability was found to be significantly higher than - as much as 260 times higher - that of LDPE film. The results suggest that melt-blown LDPE web fibers are useful for producing multi-function products.
Preparation of Chitosan/PVA Nanofiber Web and Film Using Co-electrospinning and Their Properties
Kim, EunHyun ; Kim, Joon Ho ;
Textile Science and Engineering, volume 53, issue 2, 2016, Pages 75~82
DOI : 10.12772/TSE.2016.53.075
Polyvinyl alcohol (PVA) is a non-toxic, water-soluble, biocompatible, and biodegradable synthetic polymer, which is widely used in the biomedical field. As one of the most abundant natural polysaccharides, chitosan is well known for its biocompatible and biodegradable properties. Blended chitosan/PVA nanofiber webs and films were investigated for applications in the biomedical field. Pure chitosan nanofiber web, blended nanofiber web, and skin-core nanofiber webs were prepared by electrospinning. Chitosan/PVA blended films were prepared by the solution casting method. Scanning Electron Microscope photographs showed that the skin-core nanofiber web (chitosan skin, PVA core) had the best uniformity and was suitable for electrospinning. The PVA, chitosan, and blend films had better hydrophilicity and moisture regain than PVA, blend, and skin/core nanofibers. The FT-IR and DSC analyses demonstrated compatibility between PVA and chitosan. Also, nanofiber web and films with chitosan had better mechanical properties than pure PVA nanofiber web and film; the presence of chitosan reduced the tensile strength of nanofiber webs and films, but increased their Young's modulus. All nanofiber webs showed remarkably similar elongation, and chitosan was shown to reduce the elongation of films. This study concluded that blended chitosan/PVA nanofiber web and films are well suited for applications in medical materials, such as wound dressing.
Enhancing Breathability of Bio-polyurethane Membrane Films by Hybridizing Them with TiO
Kang, Seung-Gu ; Kang, Goo ; Kwak, Nam Ho ; Jin, Hojin ; Hong, Seong Hyun ; Joo, Il Jung ; Kwon, Oh Kyung ; Min, Byung Gil ;
Textile Science and Engineering, volume 53, issue 2, 2016, Pages 83~90
DOI : 10.12772/TSE.2016.53.083
The aim of this work was to enhance the water vapor permeability of bio-polyurethane thin film, whose essential application is as a non-microporous type of film in breathable fabrics, by hybridizing it with nano- and micro-sized titania (
). The bio-polyurethanes were synthesized from 4,4-diphenylmethane diisocyanate (MDI) and a polyol mixture containing polyethylene glycol (PEG) and soybean oil-based polyol, that is, bio-glycols by the hydroxylation of soybean oils upto 25% by weight of bio-polyurethane. We studied the effect of hybridizing the bio-polyurethane films with hydrophilic nano- or micro-sized
on their breathability by measuring the water contact angle and the water vapor permeability of the films; it was found to significantly enhance the permeability of the bio-polyurethane film. Further, nano-
was more effective than micro-
due to the higher surface area resulting from nano particles. On the other hand, it is expected that it would be possible to provide additive functionality to the bio-PU membranes due to photocatalytic effect of nano-
Mechanical Properties of Natural Rubber Compounds Reinforced with Milled Carbon Fibers and Carbon Blacks
Ham, Eun-Kwang ; Choi, Kyeong-Eun ; Seo, Min-Kang ;
Textile Science and Engineering, volume 53, issue 2, 2016, Pages 91~96
DOI : 10.12772/TSE.2016.53.091
This study investigated the mechanical properties of natural rubber (NR) compounds reinforced with carbon black (CB) and milled carbon fiber (MCF). An internal mixer and a two-roll-mill were used to prepare natural rubber compounds using various MCF concentrations (0, 2, 6, 12, 17 phr), and to align the MCF in the compounds. The tensile properties, tearing strength, and hardness of the compounds were measured. The study found that compounds with 40 phr CB and 2 phr MCF had the highest tensile strength. Compounds with higher MCF concentrations had greater hardness and tensile stress (100% modulus~300% modulus). Compounds with 40 phr CB and 6 phr MCF were found to have greater tearing strength. These results were probably due to the fact that high elasticity MCF was used, resulting in improved cohesion in the compounds.
Response of Piezoelectric Rain Sensor Made from Electrospun PVDF Nanoweb to Different Raindrop Forms
Kim, Seul Bi ; Lee, Se Young ; Kim, Han Seong ;
Textile Science and Engineering, volume 53, issue 2, 2016, Pages 97~102
DOI : 10.12772/TSE.2016.53.097
Polyvinylidene fluoride (PVDF) is a popular piezoelectric polymer because of its mechanical properties, high flexibility, thermal stability, chemical resistance, and relatively low cost. These features make PVDF attractive for applications such as electromechanical actuators and energy harvesters, in which physically flexible devices perform energy conversion. This study used PVDF as the sensor element in a piezoelectric rain sensor that was manufactured from electrospun PVDF nanoweb. The reactivity of the rain sensor was investigated by using high speed photography to study the correlation between the sensor angle and raindrop height, raindrop frequency and raindrop weight. The piezoelectric voltage signals produced were found to vary as a function of raindrop form.
Preparation and Characterization of PAN-based Carbon Fiber with Carbonization Temperature
Lee, Hyun Jae ; Won, Jong Sung ; Lim, Sung Chan ; Lee, Tae Sang ; Yoon, Jun Young ; Lee, Seung Goo ;
Textile Science and Engineering, volume 53, issue 2, 2016, Pages 103~108
DOI : 10.12772/TSE.2016.53.103
In this study, PAN (polyacrylonitrile)-based carbon fiber was prepared under different carbonization conditions. Carbonization of oxi-PAN fiber was performed under four different temperature conditions. Changes in the characteristics of these carbon fibers prepared under each condition were studied using various analyses. Crystalline characteristics of carbon fiber such as crystallinity and crystal size were analyzed using X-ray diffraction (XRD) and Scherrer's equation, based on the XRD patterns, respectively. The tensile strength and modulus of these carbon fibers were measured through a tensile test. Thermal characteristics were analyzed using a thermogravimetric analyzer (TGA). The result showed that the crystal size and crystallinity of the carbon fibers increased with carbonization temperature. Furthermore, both mechanical strength and thermal resistance were also observed to improve with carbonization temperature. Finally, a relationship between carbonization temperature, thermal properties, and mechanical properties of the carbon fibers was derived.
Characterization and Manufacturing of Neoprene Fabrics Coated with CNF/PVDF-HFP Nanoweb
Kim, Hyelim ; Lee, Sunhee ;
Textile Science and Engineering, volume 53, issue 2, 2016, Pages 109~119
DOI : 10.12772/TSE.2016.53.109
The main objective of this study was to develop improved functional textiles for marine leisure clothing. Neoprene fabrics were coated with carbon nanofibers (CNFs)/Poly(vinylidenefluoride-co-hexafluoropropylene) (PVDF-HFP) composite solution comprising 0-16 wt% CNF in 1-5 wt% PVDF-HFP via electrospinning. Electrospinning was carried out from 15 to 24 kV. Neoprene textiles coated with the CNF/PVDF-HFP composite with various applied voltages were characterized as follows: Morphology was examined using an image analyzer microscope system and a field emission scanning electron microscope (FE-SEM). The thermal storage property of these materials was also analyzed using a thermal imaging camera with a forward looking infrared (FLIR) system. The resultant samples that were laminated with a knitted fabric composed of 80% nylon and 20% polyurethane were subjected to a thermal insulation property test. The test and control specimens were irradiated for 60 min. The test specimen and the control specimen were analyzed by considering the differences in temperature between both specimens on heating. Water penetration resistance of the laminated knitted fabric with the CNF/PVDF-HFP composite nanoweb-coated neoprene fabric was measured. The water repellent property test was conducted using a drop shape analyzer (DE/DSA 100, Kruse). The results indicated that an increase in the density of nanoweb-coated neoprene fabric surface correlated with improved thermal storage, thermal insulation, water penetration resistance, and water repellent properties. In addition, increasing amounts of CNFs in the CNFs/PVDF-HFP composite solution resulted in increased thermal storage, thermal insulation, and water repellent properties.
Color Sensibility of Naturally Dyed Silk Fabrics in Blue and Green
Yi, Eunjou ;
Textile Science and Engineering, volume 53, issue 2, 2016, Pages 120~127
DOI : 10.12772/TSE.2016.53.120
The purpose of this study was to determine color sensibility factors of naturally dyed silk fabrics in blue and green and to identify the relationship between objective colorimetric properties and subjective color sensibility. A silk fabric was directly colored with natural dye powder via both single and sequential dyeing in order to impart various bluish or greenish hues to it. The dyed fabric samples were measured in terms of Munsell notation including H, V, and C; CIE colorimetric properties such as
; and PCCS tones. Fashion specialists including designers, researchers, and graduate students were asked to evaluate the dyed silk fabrics for subjective color sensibility terms using semantic differential scales. As a result, four color sensibility factors were obtained: Active, Delicate, Comfort/Gentle, and Urban. Color lightness such as CIE
and Munsell V had the most influence on the factor Delicate, whereas color saturation including CIE
and Munsell C had the most influence on the factor Active. The tones seemed to affect the factor Delicate more than any other objective color variables and in such detail that tones such as lt and ltg reinforced the feeling of the factor; the factors Comfort/Gentle and Urban were closely affected by greenish and bluish shades, respectively. The relations were also compared with the results of previous studies investigating other shades such as yellow and red. Finally, quantified prediction models by multiple regression were established for each color sensibility factor in order to help natural dyeing industries design highly emotional colors of naturally dyed silk fabrics in blue and green.
Properties of Vistamaxx/Polypropylene Side-by-Side Bicomponent Melt-blown Nonwoven Improved Water Repellent and Vapor Permeability
Yang, Byung-Jin ; Lim, Ki-Sub ;
Textile Science and Engineering, volume 53, issue 2, 2016, Pages 128~133
DOI : 10.12772/TSE.2016.53.128
Bicomponent nonwoven fabric was developed by using a melt-blown process to replace a Gore-Tex membrane with water repellency and vapor permeability in outdoor clothing. In this research, bicomponent meltblown spinning by using a S/S (side-by-side) type nozzle was used for nonwoven with a small fiber diameter, water repellency, and water vapor permeability. Vistamaxx with good adhesion was mixed with VMPP (Peroxide/PP match batch chip, Manntek Co.) as a viscosity control material to increase the melt flow index (MFI) for a small diameter of the fiber. In addition, polypropylene (PP) was used by stabilizing the viscosity of the nonwoven. In the results, the average diameter of the fiber was approximately
. The diameter of the fiber was decreased by increasing the melt-spinning temperature and air flow pressure. We confirmed that the water repellency was improved by increasing the fiber density in a small-diameter process.
Evaluation of Engineering Performance of Wet-Laid Nonwoven Fabrics Using Three-Component Fiber Blending
Cha, Ju Hee ; Kim, Book Sung ; Bok, Jin Seon ; Jeon, Han-Yong ;
Textile Science and Engineering, volume 53, issue 2, 2016, Pages 134~141
DOI : 10.12772/TSE.2016.53.134
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.