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

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2005, Vol.17, No.5

  • 1.

    Dyeing Properties of CDP Fiber(Ⅲ)- Dyeing and Solvent Wicking and Physical Properties of Micro CDP Fiber -

    YoungHee Kim | Dong Seok Jeong | Muncheul Lee | 2005, 17(5) | pp.1~12 | number of Cited : 1
    Abstract PDF
    fibers can be modified into cationic dyeable polyester fibers(CDP) by the copolymerization of terephthalic acid and 5-sodium sulphoisophthalic acid with ethylene glycol. The advantage of CDP on most cationic dyes is the conspicuous brilliance due to a narrow steep absorption band and the wash fastness and etc. Weight reduction by alkali hydrolysis, dyeing and solvent wicking properties of fabrics with cationic dyes, and change of fine structure were investigated. To obtain optimum splitting process parameters for dyeing and physical properties of micro CDP fiber, splitting method under various conditions was carried out. By means of SEM, it was confirmed that the splitting process of the micro CDP fiber be achieved at the weight reduction. A comparatively greater quantity of dye is necessary to dye microfiber than conventional fiber. The fastness and solvent wicking of regular CDP fiber is higher than that of micro CDP fiber.
  • 2.

    Dyeing and Fastness Properties of Direct Spun Type PET Microfiber Fabrics

    Joonseok Koh | 박종호 | 이권선 and 1other persons | 2005, 17(5) | pp.13~19 | number of Cited : 1
    Abstract PDF
    and fastness properties of direct spun type PET microfiber fabrics have been investigated. The dye uptake of finer microfibers commenced at lower temperatures and showed faster rate of dye uptake. The build-up and wet fastness properties of disperse dyes on finer microfbers were relatively poor since the more dye was needed to achieve a given depth of shade due to the large surface area.
  • 3.

    Dyeing Properties of Silk Fabric Dyed with Black Soybean Extracts

    류정민 | 전영실 | 김인회 and 1other persons | 2005, 17(5) | pp.20~25 | number of Cited : 1
    Abstract PDF
    colorants were extracted from black soybean using a buffer solution. Dyeing properties and the fastness of silk fabric dyed with black soybean extracts were investigated.K/S values of dyed fabric were increased with concentration of black soybean extracts. Magnesium sulfate, nickel sulfate and calcium chloride as mordants are used to obtain reddish purple color. Optimum dyeing temperature of black soybean extracts was 30℃. Fastness were generally good except for light fastness which was extremely poor.
  • 4.

    Physicochemical Characterization of PET Fabrics Treated with Chitosan after Exposure to O2 Low Temperature Plasma - Especially by KES evaluation -

    구 강 | Sam Soo Kim | 박영미 and 3other persons | 2005, 17(5) | pp.26~36 | number of Cited : 2
    Abstract PDF
    study was carried to evaluate mechanical characteristics of Poly(ethylene terephthalate) fabrics (by Kawabata evaluation system(KES)) which was systematically treated with O2 low temperature plasma and chitosan acetate solution. Furthermore, surface structure was investigated by SEM, AFM, air permeability and wettability. Tensile energy(WT), shear rigidity(G) and surface roughness(MIU) properties calculated by KES-FB have increased with increasing plasma treatment time, while bending rigidity(G) and energy of compression(WC) value were decreased compared with those of the untreated. SEM photographs showed the identification of chitosan coating but did not confirm the plasma etching structure. Air permeability was decreased according to plasma treatment time with increasing concentrations of chitosan. The water absorption rate made rapid progress by chitosan treatment.
  • 5.

    Weight Reduction Properties of PET Fabrics Treated with Electrolytic Reduction Water

    노덕길 | 홍영기 | Kieseo Bae | 2005, 17(5) | pp.37~44 | number of Cited : 1
    Abstract PDF
    electrolytic water(EW) has been used in agriculture, medical, semiconductor, and household fields. However there has been no use of EW in the textile process so far, because the application in the textile industry has been needed a large amount of EW in real process conditions. Recently, we have got electrolytic oxidation water(EOW) and electrolytic reduction water(ERW) by development of a electricity electron technology. And, the productivity of EW manufacture apparatus is arrived to large capacity. As a result, the application of EW could be possible in the textile industry.In this study, to confirm the possibility of application of EW, we scoured and hydrolyzed PET fabric using the EW. It was possible that the application of ERW for the scouring and hydrolysis of PET fabrics in the textile process.
  • 6.

    A Study on the Relationship between Fabric Design Condition for Garment and Shrinkage on the Dyeing and Finishing Processes

    Seung-Jin Kim | 박경순 | 홍상기 | 2005, 17(5) | pp.45~52 | number of Cited : 0
    Abstract PDF
    optimum fabric design plan is recently needed with the relevant fabric shrinkage in dyeing and finishing processes for the various sensible fabrics for garment. For responding this need, the difference of fabric design plan such as fabric density, yarn count and finishing shrinkage has to be surveyed with weaving looms such as water jet, air-jet and rapier looms, and also has to be analysed with weave pattern such as plain, twill and satin according to the fabric manufacturers. Therefore, in this study, 420 polyester weave pattern sheets are collected from 5 fabric manufacturers, and the weave density coefficients of these fabrics are calculated using yarn count, fabric density and 1 repeat weave pattern. These weave density coefficients are analysed according to the fabric manufacturers, weaving looms and various weave patterns. And also the weave density coefficients of 420 polyester fabrics are analysed with finishing shrinkage according to the fabric manufacturers and various weave patterns such as plain, twill and satin fabrics.
  • 7.

    A Study on the Press Belt Motion in the Fusing Press M/C

    허 유 | 안성기 | Jang,Seung-Ho | 2005, 17(5) | pp.53~60 | number of Cited : 0
    Abstract PDF
    Fusing press m/c is used for heating and pressing the specimens that are fed into between the two moving belts. Therefore the belt movement, belt temperature, and the pressure between belts must be kept constant. Especially, the belts should move in a limited operation range. When the belts run far out of the operation point, the machine has to be stopped, which results in a product defect because the fusing conditions, e.g., temperature and pressure, change during the transient process time period. It is important to avoid the belt stopping by maintaining the belt movement in a limited range. This study reports about the movement of the endless fusing belt in a long-span roller fusing m/c. The belt position changes as the 1st-order system does; if the roller axes are slanting each other with a certain angle, the belt running around the two rolls shows a dynamic behavior with the time that deviates fastly at the beginning from the initial condion and slows down. Then it reaches at a final position. The skewer the axes, the greater the position change. The inital change rate of the belt becomes large as the skewness of the axes between the two rollers increases.
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