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pISSN : 1229-0033 / eISSN : 2234-036X

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2013, Vol.25, No.4

  • 1.

    Comparison between the Color Properties of Whiteness Index and Yellowness Index on the CIELAB

    정효진 | Tetsuya Sato | 2013, 25(4) | pp.241~246 | number of Cited : 1
    Abstract PDF
    The color properties of a white or nearly colorless fabric are represented by whiteness index (WI) or yellowness index (YI). These two indexes relate to a white fabric’s color quality. The purpose of this study was to identify the properties of WI and YI on the CIELAB through the simulations of estimation data for a systemization of color quality control. The results indicated that the relationship between WI and YI was a negative correlation, however the coefficients of correlation function between WI and YI were depended on hue. There were two hue transition points of the rate of changes in WI and YI. These hue transition points were the reference points to divide the hue contribution to WI and YI. These points were not the point of h=0 and h=180 and asymmetric. In addition, where the colors were same distance from the white point on the CIELAB, the rate of changes in WI and YI by ΔEw were depending on hue. Specifically, when WI decreased, YI of reddish and yellowish tinted colors decreased more than bluish tinted colors.
  • 2.

    Preparation of Novel Iron Phthalocyanine Containing Reactive Groups and its Deodorizing Property on Cellulose

    김은미 | Jae Hong Choi | 2013, 25(4) | pp.247~253 | number of Cited : 0
    Abstract PDF
    The enzyme-like catalytic functions of metal complex phthalocyanine derivatives those containing carboxylic acid groups could be applied as odor-removing systems and antibacterial systems. Pyromellitic dianhydride and 4-nitrophthalimide were used as starting material for synthesizing dinitro‐tetracarboxylic acid iron phthalocyanine(compound 1). Then diaminotetracarboxylic phthalocyanine(compound 2) was obtained by reduction of compound 1. For the formation of covalent bond with cellulose fiber, cyanuric chloride was introduced to the amino group of compound 2 by condensation reaction compound 3. The exhaustion method was employed for adsorbing compound 3 on cotton fiber. K/S values of each fabrics were measured by a CCM system and deodorizing rates were tested by a detector tube method for ammonia gas. K/S values of treated cotton fiber with compound 3 were arranged from 2.1 to 4.2 at 90℃ of exhaustion temperature. Deodorizing rates provided result of 81%, 84%, 88%, 91%, by passing time of 30 min, 60 min, 90 min, 120 min, respectively.
  • 3.

    Selective Metal Ion Sensing of Bipyridine-Bisterpyridine containing Fluorescent Dyes

    Hye Jin Zo | 김아롱 | Sooyeon Jeong and 1other persons | 2013, 25(4) | pp.254~261 | number of Cited : 0
    Abstract PDF
    In this study, we synthesized a new fluorescent polypyridyl dye 2 containing a 2,2'-bipyridine in the center and two 2,2':6',2''-terpyridines at both ends. When exposed to various metal ions, the dye 2 showed selective fluorescence responses. In the presence of Cu2+ and Ni2+, it exhibited a highly effective fluorescence quenching, leading to large Ksv values of up to 105. In response to most other metal ions including Al3+, in contrast, its fluorescence changes little, showing a small Ksv value at 102. Meanwhile, the compound 2 revealed a differentiated fluorescence response to Zn2+, which is evidenced by a large red shift of > 100 nm. Such a red shift from the ion binding is attributed to the planarization of the bipyridyl unit extending the effective conjugation length in conjunction. A polypyridyl compound will find important usefulness in chemosensor application due to its selective binding to metal ions. Subsequent research concerned with modified derivatives is currently going on, as a way to provide high solubility even after metal-complexing.
  • 4.

    Dyeing of meta-Aramid Fabric with Temporarily Solubilized Reactive Disperse Dyes

    Yeon Ju Lee | Lee Jungjin | 2013, 25(4) | pp.262~270 | number of Cited : 1
    Abstract PDF
    Temporarily solubilized reactive disperse dyes containing β-sulfatoethylsulfonyl group were applied to 100%meta-aramid knitted fabric and their dyeing properties were investigated. Reactive disperse dyes showed relatively high K/S values on meta-aramid fabric when compared with conventional disperse dye or reactive dye, which showed very low K/S values. Color yields of reactive disperse dyes were highly dependent on dyeing pH and optimum results were obtained at pH 6. Percent exhaustion of reactive disperse dye on meta-aramid fabric was over 80% at 2% o.w.f of dye concentration. Wash fastness of pyridone-based reactive disperse dyes was very good to excellent while that of aminoazobenzene reactive disperse dyes was medium to good. Light fastness of all the reactive disperse dyes was very poor which seems to be due to the low photostability of meta-aramid fiber itself.
  • 5.

    A Study on the Effect of Gallotannin Treatment of Ceramide-containing Fibers on Atopic Skin Diseases

    Taekyeong Kim | Nayoung Cho | Heejung Ma and 2other persons | 2013, 25(4) | pp.271~278 | number of Cited : 10
    Abstract PDF
    In order to investigate the effect of gallotannin treatment to ceramide-containing fabrics on atopic skin diseases,the agglomeration of standard protein BSA and the deactivation of model enzyme were examined. The gallotannin treated on ceramide-containing fabrics precipitated the standard protein, BSA, and therefore deactivated the model enzyme by 70% at 6% treatment concentration. Wash durability should be improved after around 5 cycles of washing. Clinical test of the gallotannin-treated fabrics was carried out on mice for two test items, transepidermal water loss assay and severity score of diseased skin of mice. The results showed significant level of improvement of atopic skin diseases compared with the negative controled.
  • 6.

    Application Properties of Ultra Light Weight Silica Aerogel to Polyurethane Membrane

    민문홍 | Jeong Cheon Hee | 윤석한 and 2other persons | 2013, 25(4) | pp.279~286 | number of Cited : 2
    Abstract PDF
    Application properties of ultra light weight silica aerogel toward polyurethane membranes were investigated. From the results of pre-milling process of the silica aerogel, the solvent for dispersion of the aerogel was determined for methyl ethyl ketone and its content in the solvent was determined by 30%. Using this aerogel dispersion, the polyurethane membranes were prepared according to the mixing amount of silica aerogel and various properties of the membranes were investigated. As results, the optimum mixing amount of silica aerogel inside polyurethane membranes was decided at 11%,because the improvement of light weight property, air permeability, and moisture vapor permeability were improved upto 11%of silica aerogel content, maintaining the water penetration resistance almost unchanged.
  • 7.

    A Study on Pre-treatment and Performance Evaluation for Printing RFID Antenna with Conductive Paste

    홍진표 | Chando Jung | 윤석한 and 1other persons | 2013, 25(4) | pp.287~291 | number of Cited : 0
    Abstract PDF
    Nowadays, terms such as ‘Smart Textile’, ‘Intelligent Textile’ and ‘Wearable Computing’ are commonly used in everyday contexts. And radio-frequency identification (RFID) is the use of a wireless non-contact system that uses radio-frequency electromagnetic fields to transfer data from a tag attached to an object, for the purposes of automatic identification and tracking. These products are required technologies which are textile treatments, printing, ink, etc. Durability of textile substrates is an essential marker for conductive ink printing process. Especially, heat stability is important, since conductive ink should be processable (annealing, curing) at temperatures below 150℃. This study was application of RFID on textiles. The textile pre-treatment processes should be carried out to use RFID antenna on textiles.
  • 8.

    Characteristics of Recycled m-Aramid and TPP Complex Solutions in Preparation and Cotton Fibers after Coating

    Sam Soo Kim | 이지민 | 조호현 and 1other persons | 2013, 25(4) | pp.292~302 | number of Cited : 2
    Abstract PDF
    Cotton fabrics treated with hybrid materials were developed and prepared. A halogen-free flame retardant and an aromatic amide were blended and applied to cotton fabrics. Thermal and physical properties of the treated cotton fabrics were investigated. The surface of the pure and coated cotton fabrics was characterized by Fourier transform infrared spectroscopy. The elemental composition of the coated surface of the cotton fabric was measured using X-ray photoelectron spectroscopy and compared with that of pure cotton fabric. After being solved in N,N-dimethylacetamide, m-aramid and triphenylphosphine oxide (TPP) were applied to cotton fabrics through a dip-pad-coagulation process. The treated cotton fabrics with recycled m-aramid/TPP resulted in increased limited oxygen index values and thermal resistance.
  • 9.

    A Study on the Alkali Hydrolysis of Sea-island PET Ultra-microfiber

    서말용 | Jun Hee Lee | Chi Min Ok and 3other persons | 2013, 25(4) | pp.303~313 | number of Cited : 6
    Abstract PDF
    Alkali hydrolysis of sea-island PET 0.02denier microfiber were compared to those on the fabrics of the 0.06denier microfiber. In the dissolution of the sea component out of sea island type ultra-microfiber, it is important to determine the optimum division and divided material. Weight reduction of sea island ultra-micro sea island fiber was faster than regular PET about 10 times. Also 0.2denier sea-island ultra-micro sea island fiber has better color fastness (washing,friction, and daylight) than 0.06denier level sea-island ultra-microfiber. In this study, 0.2denier ultra-micro sea island fiber shows the possibility of high value product.
  • 10.

    Combination Dyeing of Silk Fabrics with Dansam and Sappan Wood

    남정란 | Jeong Sook Lee | 2013, 25(4) | pp.314~326 | number of Cited : 7
    Abstract PDF
    The purpose of this research is to analyze the effects of Dansam and Sappan wood extract to perform combination dyeing on silk fabrics, with respect to color changes, fastness (washing, dry cleaning, perspiration, rubbing and light fastness), and functionality (antibacterial activity and deodorization). Combination dyeing was performed by first combining Dansam with Sappan wood, then Sappan wood with Dansam, in these orders. Given the changes in the combination ratio, pre-mordant treatment was performed. Looking at the surface colors of each dye, Dansam generally produces YR color series, while Sappan wood produces YR, R, and RP color series. The effects of changing the order in which combination dying was performed on the surface colors were as follows. First, combination dyeing (A) was performed by using Dansam before Sappan wood, to produce YR and R color series. Then combination dyeing (B) was performed by using Sappan wood before Dansam, to produce YR, R, and RP color series. By visual inspections, more similar color changes of the combination dyeing were noticed with the post-dyeing material rather than the pre-dyeing material. Therefore, it was presumably confirmed that surface color changes of combination dyeing were greatly influenced by the post-dyeing color. Individual dyeing tests for fastness showed that Dansam was comparatively superior to Sappan wood, which demonstrated lower fastness to washing, dry cleaning, perspiration, and light, relatively. The fastness of combination dyed samples was shown middle, but similar fastness to the post-dye material, The fastness of (B) method was higher than (A) method in the washing and light fastness. This confirms that color fastness from combination dyeing was considerably influenced by the post-dye material. It was found that all dyed samples had a very high bacterial reduction rate of 99.9% and high deodorization rate of 95%.
  • 11.

    Color Image and Preference of the Silk Fabrics Dyed of Extract from Pine Needle by Ethanol and Distilled Water

    전 미 선 | Park, Myung-Ja | 2013, 25(4) | pp.327~336 | number of Cited : 1
    Abstract PDF
    The purpose of this study was to evaluate the color image of the natural-dyed silk fabrics. The dye was extracted from pine needle by boiling pine needle with ethanol at 78℃for 3hours and distilled water at 100℃for 2hours. The 100% silk fabric was dyed of extract in pH 5 at 90-100℃ for 1 hr. As mordants used were compounds of Al, Sn, Fe,and Cr, color image of pine-needle dyed silk fabrics was classified into 5 factors (pure, gentle, sophisticate, comfortable,pastorale) and the factor pure is most important one of those. Most cheerful image in pure factor was from the fabrics dyed with ethanol extract and then, none and Cr mordanting. Dignified image was from the fabrics dyed with ethanol extract and then, Cu or Fe mordanting. In production, products dyed with ethanol extracts was preferred to those dyed with distilled water extracts. Color image and preference of the silk fabrics dyed with pine needles extracted was affected by extraction solvents and mordants.
  • 12.

    A Study on Advertising Recall Regarding Color Scheme of Fashion Advertising

    Eun Hee Park | Lee Won Ja | 2013, 25(4) | pp.337~344 | number of Cited : 4
    Abstract PDF
    This study aims to understand the advertising recall effect in accordance with color scheme of advertising by subdividing it into brand, picture, color, and style. The results of this study are like following. In the results of the study on advertising recall, first, there were significant differences in picture and color recall. The picture recall was the highest in complementary color scheme while color scheme was shown the highest in single and complementary color schemes. Regarding the advertising recall in accordance with subscription time of fashion magazines, second, the advertising recall can be different in accordance with subscription time of magazine, major, purchase experience, and interest. In case of picture advertising recall depending on major, third, majors highly recognized complementary color scheme in picture recall and also similar color scheme in color recall. Regarding the advertising recall depending on experience in purchasing magazines,purchasers highly recognized complementary color scheme in picture recall and also tone-in-tone color scheme in color recall. In case of the advertising recall in accordance with interest in fashion advertising, the group with interest highly recognized complementary color scheme in picture recall and also similar color scheme in color recall.