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

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2003, Vol.15, No.1

  • 1.

    A Study on the Dyeing Properties of Silk FabricsDyed with Impatiens balsamina extract

    CHANG CHE CHUL | KIM AE SOON | 2003, 15(1) | pp.1~7 | number of Cited : 2
    Abstract PDF
    study the dyeability(ΔE value) and color depth of silk fabrics dyed with Impatiens balsamina extracts. its flower, leaf and stem was extracted by water.This paper investigated some experiments under the various dyeing conditions such as dyeing temperature, dyeing time, repetition of dyeing, dyeing pH with silk fabrics dyed with Impatiens balsamina extracts.The results obtained were as follows1. It was found that λmax. of silk fabrics dyed with Impatiens balsamina extract was 260㎚ and its flower, leaf , stem and different colored flower(white, pink, violet) had same λmax at 260㎚.2. △E values were increased when dyeing temperature, repetition of dyeing and time was higher, value of munsell of silk fabrics dyed with Impatiens balsamina extract was Yellow-Red. But dyeing temperature, repetition of dyeing and time was higher, shifted to longer wavelenth side.3. Silk fabric dyed with Impatiens balsamina extracts at acidic pH was colored reddish Yellow-Red, alkali bath colored yellowish Yellow-Red in silk fabrics dyed with Impatiens balsamina extract.
  • 2.

    Effect of Sizing Agent on the Enzymatic Finishing of Tencel Fabric by Cellulase

    ChoiChangNam | 황태연 | 고봉국 and 5other persons | 2003, 15(1) | pp.8~14 | number of Cited : 2
    Abstract PDF
    effect of pasting agent on the defibrillation of Tencel fabric was investigated. It was evaluated by the weigth loss of fabric when the fabic was treated with cellulase containing various kinds of pasting agents. The surface appearance of Tencel fabric was checked by SEM. Under the treatment condition without pasting agent, the weight loss of fabric was high at pH 5.0 and 60℃. This means that the cellulase activity was high at this condition. By increasing the concentration of carboxymethyl cellulose(CMC), the weight loss of fabric was decreased monotonously. This tendency was not appeared in other pasting agents. CMC is synthesized by the reaction of chloroacetic acid and cellulose. The glucose units may be remained after the reaction. So, it was considered that the degradation of glucose unit in Tencel was decreased, because cellulase had to attack both Tencel and CMC.
  • 3.

    Dyeability and Antibacterial Activity of the Fabrics Using Balsamine Extracts

    김재훈 | Hyeja Yoo | 2003, 15(1) | pp.15~22 | number of Cited : 6
    Abstract PDF
    liquor was extracted from flowers, leaves and stems of balsamine. Dyeing properties, colorfastness and antibacterial activities of the fabrics dyed with the balsamine extracts were investigated at a variety of dyeing conditions of differing pH, time and temperature.Wool, silk and nylon fabrics showed better dyeability than cellulosic fabrics, i.e. cotton, linen and rayon. Especially, nylon fabrics showed the highest K/S values. The dye-uptake was achieved to the highest degree during the first ten minutes of dyeing procedure. All fabrics were dyed well at 40℃ with no pH adjustment. The pH of unadjusted balsamine extracts was 4.6.Their colorfastnesses to washing, drycleaning and perspiration were good as 4 or 4-5 grade, but the light fastnesses were poor as 1-2 grade. While, the antibacterial activities to Staphylococcus aureus and Klebsiella pneumoniae were excellent with 99.9% of colonies reduction ratio. Their excellent antibacterial activity was kept well after ten times washing.
  • 4.

    The Application of Non-ionic Vat dye to Polyester Fiber :Practical Aspects and Preliminary Studies

    Young-A Son | 김태경 | 2003, 15(1) | pp.23~29 | number of Cited : 4
    Abstract PDF
    Dyeings of the most widely used to the synthetic fibers, namely polyamide and polyester, have been carried out using acid dyes and disperse dyes. The above mentioned dye types, and indeed all dyes onto substrates, rely on the reaction properties between the substrates and dye molecules. In terms of fastness properties, however, especially to washings, the satisfactory levels are not present in the results from acid and disperse dyeings. Thus, vat dyeings leaves a feasibility and are an alternative way to overcome the problem. Although attempts and works have been reported in early years, with little if any commercial achievement and success. In this context, to meet increased demands towards a high level of wash fastness from consumers and retailers, an attempt using vat dyes has been carried out in this work.
  • 5.

    The Dyeing Properties of Ulmi Cortex Extract

    조경래 | 김미숙 | 2003, 15(1) | pp.30~38 | number of Cited : 6
    Abstract PDF
    Research to dyeing properties of Ulmi cortex extract, silk and cotton fabrics were dyed and mordanted. Dyes were extracted from distilled water according to different pH values. The dyeability of Ulmi cortex extract were evaluated by conditions of dyeing temperature, dyeing time, dyeing pH, mordanting temperature, mordanting time, mordanting concentration and color fastness, etc.IR spectrum possessed absorption band of -OH at 3400cm-1, C-H at 2940cm-1, aromatic C=C at 1628cm-1, 1518cm-1, C-O at 1107cm-1, 1043cm-1. And the λmax of extract appeared at 220nm and 280nm, so the substance of Ulmi cortex extract were catechin and tannin. Surface color of dyed fabrics were reddish yellow∼yellow∼greenish yellow. From the color fastness test, the fabrics dyed with pH 7 extract were excellent in irradiation and washing. Mordanting improved the color fastness and K/S value of dyed fabrics.
  • 6.

    A Study on the Physical Properties & Dye Ability as Applying LMB & SMB with Luminent Yarn Manufacture - The Effects of Liquid Color and Disperse Dyes on the Phosphorescent PET Films -

    SHIN HYUN SAE | 윤철수 | 임병완 | 2003, 15(1) | pp.39~47 | number of Cited : 0
    Abstract PDF
    Phosphorescent PET/liquid color films and phosphorescent PET/disperse dyes films were prepared by melt casting method using Hot press. Then, weight ratios and exhaustion percent of films were 0.7, 1.2, 1.5, 2.0, and 2.3 wt.%. The effects of L/C and D/D contents(wt.%) of films on the thermal properties, crystal structure, H(%), brightness(mcd/mm2), morphology, and tensile properties were investigated by means of DSC and WAXD, etc. It was found that the melting temperature and crystalline diffraction peaks were not changes with increasing the liquid color contents and disperse dyes exhaustion. Also, in case of using liquid color to phosphorescent PET film, the H(%) and brightness(mcd/mm2) value were superior to phos.PET/disperse dyes film. The tensile strength and the tensile modulus were decreased with increasing the contents of liquid color and exhaustion of disperse dyes in the phosphorescent PET film. Also, the elongation at break was increased with increasing the contents of liquid color and exhaustion of disperse dyes in the phosphorescent PET film.
  • 7.

    Dyeing Properties and Improvement of Washfastness of Ultrafine Polyester

    Sung-Dong Kim | 이권선 | 이병선 and 2other persons | 2003, 15(1) | pp.48~55 | number of Cited : 10
    Abstract PDF
    As the polyester fiber becomes thinner, thermomigration that is the most important factor deteriorating the washfastness, is more dominant. For improving the washfastness of ultrafine polyester dyed with disperse dye, it is necessary either to decrease the amount of thermomigrated dyes on the fiber surface, or to use a disperse dye containing diester group in the coupling component. This paper is concerned to investigate the relation between the chemical structure of three disperse dyes and their dyeing properties and washfastness. The disperse dye whose molecular size is big, can dye ultrafine polyester with good build-up, and its washfastness is reasonably good. Other disperse dye which has diester group, shows the same dyeing properties as the standard disperse dye, and its washfastness is better than that of the standard disperse dye.