• Textile Coloration and Finishing
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• v.21 no.6
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• pp.12-21
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• 2009

The dyeing property of direct-spinning type and seaisland type 0.2D micro polyester nonwoven fabrics was characterized by three disperse dyes (Dorosperse Red KFFB, Blue KGBR, Yellow KRL) at $120^{\circ}C$ and $130^{\circ}C$. Before and after reduction cleaning, dyeing fastness was evaluated and the thermomigaration after heat setting at $180^{\circ}C$ for 60 min were also evaluated. Direct-spinning type fabric showed better dyeing property, wash fastness, and light fastness, but worse rub fastness than seaisland type fabric. The dyeing property and fastness of direct-spinning type fabric increased at higher dyeing temperature, whereas seaisland type fabric exhibited lower dyeing fastness and the increase of thermomigration at higher dyeing temperature. Non-fixed dye in fiber surface was removed by reduction cleaning process, then dyeing fastness was improved and thermomigration decreased. The higher dye uptake of direct-spinning type non-woven fabric caused the increase of dye molecule migration from fiber internal to fiber surface, so this fabric showed larger thermomigration than seaisland type non-woven fabric.

• Fashion & Textile Research Journal
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• v.13 no.3
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• pp.438-444
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• 2011

Bamboo leaves, as natural dye provide unartificial fresh green, are known for expert property at anti-bacterial, anti-aging, anti-oxidation, skin whitening, moisturizing, peeling of horny, deodorizing and some skin disease like as eczema and inflammation without any allergic response. Also, It is quite common to obtain bamboo leaves from our surrounding but most of them were not in use. On purpose of development the way of recycle with common material to dye, bamboo leaves were used to dye on ramie fiber which is valuable for both of apparel and industrial field and investigated their dyeing property. Using extract from bamboo leaves, dyeing property was examined with dyeability, colorimetric property, light fastness and wash fastness under different conditions by extract density, dyeing time, dyeing method and mordants. As results, dyeing was generally colored in yellowish, K/S Value was shown more higher on hemp fiber than ramie. The most optimum dyeing condition was investigated on pre-mordant treatment, dyeing temperature $60^{\circ}C$, dyeing time 30min and extract density 400%. On the treatment with mordant(Al, Fe, Cu), dyebility on both of hemp and ramie fiber were increased by mordant. Especially with Copper(Cu) as mordant, dyebility was highly increased than any other mordants and dyeings showed in deep color. Also on the fastness test which is the most important to natural dyeing, wash-fastness showed good performance with 4-5 grade but light-fastness was above 4 grade on both of hemp and ramie fiber, lower than wash-fastness overall.

• Textile Coloration and Finishing
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• v.16 no.6
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• pp.1-9
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• 2004

The dyeings of cotton and silk fabric with Laurus tree extracts were investigated. The colorant was extracted with distilled water at $100^{\circ}C$ for lh. Dyeability(K/S), color fastness and antibacterial property of cotton and silk fabric were tested under conditions of various time, temperature, concentration, repeat-number of dyeing and mordants. The characteristics of dyeings Laurus extracts were figured out by K/S and CIELab values and color-fastness test was estimated in terms of wash fastness and light fastness. The maximum wavelength of spectrum was 670nm. The K/S value of cotton and silk fabric increased with increasing dyeing time and the exhaustion was saturated in 90min. Optical dyeing temperatures of cotton and silk fabrics were $60^{\circ}C$ and $80^{\circ}C$, respectively. The mordant effect on cotton fabric was achieved using Fe mordant. On the other hand, the mordant effect on silk fabric was obtained using Fe and Cu mordants. The wash fastness of cotton fabric was higher than that of silk fabric. Antibacterial property of silk dyeing was greater than that of cotton dyeing. In addition, the excellent antibacterial effect was imparted by Fe-post mordant method.

• Fashion & Textile Research Journal
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• v.10 no.6
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• pp.1036-1044
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• 2008

This research from analyzing dyed silk fabrics treated with persimmon juice by padding concludes as follows : The add on is increased as the number of padding increase and the color of the dyed fabrics holds red-yellow colors which has low brightness and high chromatic colors. The fabrics dyed with persimmon juice have properties such as 2nd grade of light fastness, 4~5th grade of perspiration fastness and rubbing fastness, and 3~4th grade of washing fastness. The dyed fabrics exposed to UV light have deeper yellow-red color than things exposed to sunlight. The silk fabrics treated premordants have shown strong yellow colors, especially the fabrics added Fe mordant have shown greenish red-yellow colors. As the padding times of dyeing with persimmon juice are increased, strength and water-repellent property are enhanced along warp and weft direction respectively but anti-crease property is decreased. Also, the dyed fabrics have good antibacterial activity and deodorization.

• Textile Coloration and Finishing
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• v.15 no.6
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• pp.1-7
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• 2003

Polyester microfiber has usually greater dye uptake than normal denier polyester fiber in same dyeing condition. In spite of this high dye uptake dyed microfiber fabric has not only low visual colour depth but also poor washing fastness property. In order to study high colouring dyeing technology and high washing fastness of polyester microfiber, dyeing property of polyester microfiber was investigated according to the dye solubility and particle size of used disperse dyes in aqueous dye solution. After disperse dyeing, dyed fabric with disperse dye was redyed with a vat dye without reduction clearing in order to obtain a high washing fastness property. The result were as followings ; A small particle sized disperse dyes such as C. I. Disperse Blue 56 and Red 60 showed high rate of initial exhaution compared with a large particle sized disperse dyes like C. I. Disperse Blue 165 and Red 343. In study of dyeing property of polyester microfiber with C. I. Vat Blue 1, polyester microfiber could achieve high dye uptake at a given optimum vatting process conditions. On the other hand, in consecutive dyeing with disperse and vat dye, K/S value of polyester microfiber with a small particle sized disperse dye increased without reduction clearings, but K/S value of polyester microfiber with a large particle sized disperse dye decreased with reduction clearings.

• Textile Coloration and Finishing
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• v.20 no.5
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• pp.35-40
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• 2008

Dyeing and washing fastness properties of polyurethane-impregnated polyester (PU-impregnated PET), and the distribution of two disperse dyes between PET and PU film were studied to investigate the effect of PU portion to exhaustion and washing fastness. Dyeing properties of PU-impregnated PET were quite different with those of PET: PU-impregnated PET absorbed disperse dye linearly from the early stage of dyeing to equilibrium, and it exhibited excellent build-up property up to 4 %owf dyeing. The absorbed dye on PU film at early dyeing stage migrated to more substantive PET at the temperature higher than $115^{\circ}C$. The amount of exhausted dye on PET portion was larger than on PU film and the distribution ratio was $2.08{\sim}2.34$. The grade of washing fastness of PU-impregnated PET was the same as or lower by $0.5{\sim}1$ grade than PU film whose washing fastness was lower by $0.5{\sim}1$ than PET.

• Textile Coloration and Finishing
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• v.13 no.1
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• pp.32-37
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• 2001

Silk fabric was sputter-treated with Au, Cu, SUS, and Ti using poly(vinyl alcohol) (PVA) as a binder, and its changes in color, antielectrostatic property, airpermearbility, and rubbing fastness were investigated. Sputter-treated silk fabric had a natural color of metal target, which was deepened by treatment of PVA solution. The rubbing fastness of thin metal layer formed by sputtering was improved by PVA treatment. Au had highest rubbing fastness among the metal targets. In addition, PVA treatment posterior to sputtering resulted In higher rubbing fastness than the other treatment method. However, a reverse trend was found in antielectrostatic property. Air permeability of the sputter-treated silk fabric was improved by PVA treatment, which was highest when sputtering was conducted prior to PVA treatment.

• Journal of the Korean Home Economics Association
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• v.47 no.1
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• pp.85-91
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• 2009

Dyeability and antimicrobial property of dyed pig skin with Coptis chinensis Franch was investigated. Dyestuff was extracted with water and concentrated. Pig skin was dyed and mordanted according to various dyeing temperature, dyeing time, dyestuff concentration, mordanting methods and kinds of mordants. The results of this experiment were as follows: 1. Dyeability of pig skin with Coptis chinensis Franch was best at 200%(owf) dyestuff concentration, 50${^{\circ}C}$ dyeing temperature, and 20min. dyeing time. 2. Pre-mordanting by Cu improved the K/S values of dyed pig skin. 3. Surface color and color difference of dyed pig skin showed various results according to the mordants used : generally their color was yellow, Al post-mordanted pig skin showed the greatest color difference. 4. Color fastness to drycleaning was considerably high in case of staining compared to fading. Fastness to light was improved by Cu-mordanting while other treatments were not effective. 5. Antimicrobial property of samples was not different (99.9%) between untreated and treated.

• Journal of the Korean Society of Clothing and Textiles
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• v.21 no.4
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• pp.661-668
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• 1997

The dyeing characteristics of acorn was investigated. The natural Fabrics-cotton, rayon and silk-were dyed repeatedly in the solution extracted from acorn, CuSO4, K2Cr2O7 and brine were used as mordants to improve color fastness. Anti-bacterial property was measured in the dyed and mordant treated fabrics. When the cotton and rayon fabrics were dyed and treated with CuSO4, their colors showed very clear. They also had good color fastness and excellent anti-bacterial property. The dyed silk fabrics had better dye absorption property than the cotton and rayon fabrics without mordant treatment. But the fabrics dyed without mordant treatment had low light fastness. The cotton, rayon and silk fabrics dyed and treated with brine were dark and unclear. An aftertreatment with CuSO4 and K2Cr2O7 made the dyed fabrics darter and more clear.

• Journal of Fashion Business
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• v.23 no.3
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• pp.23-34
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• 2019

The aim of this study is to explore the possibility utilizing Rhododedron brachycarpum as a new natural dye resource. It was dyed in silk fabric according to different dyeing conditions such as dye concentration, dye bath temperature, dyeing time and dye bath pH. The effect of the mordanting conditions were estimated as dyeability and color changes. Additionally, the colorfastness, antibacterial property, ultraviolet protection properties of the dyed and mordanted silk fabrics were examined. The water-soluble dye of Rhododedron brachycarpum extracted with distilled water was expressed as Yellow Red color. The dye-abilities of silk generally increased depending on the increasing values of dye concentration, dye bath temperature and dyeing duration. The highest K/S values were obtained at a dye concentration of 100% (v/v), a dye bath temperature of $90^{\circ}C$, a dyeing duration 120 minutes and a dyeing of pH 2. The light fastness of dyed and Cu mordanted silk fabrics were found to be 4 grade while Al, Fe mordanted silk fabrics were found to be 2~3 grade. The dry cleaning and rubbing fastness were excellent or good. The fade of washing fastness was not good, however, the stain of washing fastness was excellent. The dyed and Al, Cu mordanted silk fabrics indicated 99.9% reduction rate. The dyed and the mordanted fabrics showed very good ultraviolet protection factors.