• Journal of Fashion Business
• /
• v.11 no.2
• /
• pp.92-101
• /
• 2007

This research was carried out following the preceding research on natural cellulose fabrics dyed with extract of fresh african marigold petals. Dyeability on fabrics was tested by dyeing with wool and silk which are natural protein fibers. Dyeing tests were carried out under different pH of the dye solution and mordants, examining the changes in the surface color, K/S value, and maximum absorption wavelength. The probability of improving dyeability was investigated by pre-mordanting with pre-treated chitosan. Wool fabrics showed color tone of medium or less saturation and brightness, in dark yellow color series. An orange color of high saturation was only obtained by tin mordanting. Wool showed higher K/S value than cellulose fibers. In summary, marigold dye has more affinity for protein fibers. It showed better dye effect in wool than silk. The chitosan pre-treatment and pre-mordanting lowered the K/S value of wool, which showed that chitosan pre-treatment does not improve dye uptake. However, different from the dyeing carried out by pre-mordanting without pre-treatment with chitosan, more diversified colors could be obtained by mordants. Therefore, for the dyeing natural protein fibers with marigold extract, post-mordanting does not require chitosan pre-treatment. However, pre-mordanting with chitosan pre-treatment could implement diverse colors. Considering its dyeing behaviors which are similar in both natural cellulose and protein fibers, african marigold extracts can be evaluated as a stable and highly practical dye.

• Textile Coloration and Finishing
• /
• v.16 no.6
• /
• pp.23-29
• /
• 2004

The purpose of this study is to improve the dyeability and the color fastness to light of cotton fabric dyed with extraction of cinnamon cassia. Cotton fabric was pretreated with chito-colla to enhance the dyeability, and K/S values were compared chito-colla pretreated fabric and untreated fabric. In addition, to improve of color fastness to light of dyed fabric, it was used FFC compound as mordant. Also, it was measured SOD-liked activity of FFC compound and lifht fastness of dyed fabrics. The results are as follow; K/S value of cotton fabric pretreated with chito-colla(5%) was much more increased than untreated fabric. SOD-liked activity of FFC compound was observed over 70%. Light fastness of cotton fabric treated with FFC compound was 3～4 grades.

• Korean Journal of Plant Resources
• /
• v.19 no.2
• /
• pp.243-247
• /
• 2006

To develop the natural brown hair-dye, we investigated the dyeability of hairs dyed with the extracts of Boehmeria tricuspis and chemical hair-dye and the changes in its colors as affected by the number of washing frequencies. When dyed with the extracts of Boehmeria tricuspis, ${\Delta}E$ values was increased over 11 compared with control and dyed an order of descent YR. ${\Delta}E$ values treated the ashing juice of Japanese cleyera with a mordant was mostly increased about 15.52. Hairs was dyed with the extracts of Boehmeria tricuspis and we investigated L, a, b and ${\Delta}E$ values as affected by the number of washing frequencies. When treated the ashing juice of Japanese cleyera with a mordant, L values was mostly decreased, however, a, b and ${\Delta}E$ values was increased significantly. L values of hairs dyed with the extracts of Boehmeria tricuspis and washed over thirty times became low compared with that dyed with chemical hair-dye and changes in a, b and ${\Delta}E$values of that was small.

• The Research Journal of the Costume Culture
• /
• v.19 no.2
• /
• pp.324-333
• /
• 2011

This study was accomplished for the purpose of developing a textile processing ingredient that is harmless to the human body and environment. The research method consists of dyeing cotton textiles by extracting the dye solution from ginseng. Then, chrominance, after treatment, antibacterial ratio and deodorization ratio of cotton fabrics dyed with ginseng extracts were tested and results were examined. The research procedure involved first extracting the dye solution from the ginseng's by-product (fine roots) and then dyeing was effectuated differently according to the test samples temperature and dyeing time requirements. Brightness in all dye substances was lower in pre-mordanting. Beige color could be extracted from pre-mordanted samples. And dark orange from postmordanted samples. Color-festness was high in all samples. Most of samples show a big antibacterial ratio and deodorization ratio. Through this research it has been discovered that, when applied to textiles, Korea's ginseng extract possessed reproducibility features as a natural dye and a possibility to be used in cutting which plays a crucial role in hygienic processing. In addition, by using ginseng's by-product for dyeing processing as the dye solution, efficient application of resources and occurrences of no water waste damages were demonstrated and thus, proved to be environmentally-friendly. Specifically, through this experiment, it was found that saponin, ginseng's special characteristics, possessed excellent antibacterial odor repelling functions to clothing as well as the capability to prevent skin disease.

• Journal of the Korea Fashion and Costume Design Association
• /
• v.17 no.2
• /
• pp.45-61
• /
• 2015

In order to analysis on color difference of natural dyes, I have dyed Hanji, cotton, silk fabric and exposed them to carbon arc light. The results of experiment have been analysed by wavelength of maximum absorption, amounts of dye uptake, color difference, Hunter's value and Munsell's value. Gardenia Jasminoides is monogenetic dye, but it gained darker color by pre-mordanting method used Al mordant agent and greenish yellow color by Fe mordant agent. whereas Curcuma, an Amur cork, and bud of pagoda tree are shown as greenish yellow color, and A barberry root, Betel nut, and Rhubarb are shown as reddish yellow color. these gained khaki colored dyed fabric by Fe mordanting. In addition, Sappan wood showed great result in pre-mordanting. Especially, it gained dark red color by Al pre-mordanting. The pink color was shown by post-mordanting. and Logwood showed great dyeing result in Hanji and cotton better than silk. Specially pre-mordanting was effective. Hanji and cotton showed greenish blue color by Al pre-mordanting, and silk showed brown color.

• Journal of the Korea Fashion and Costume Design Association
• /
• v.18 no.4
• /
• pp.77-86
• /
• 2016

In order to analysis on color difference of natural dyes, I have dyed Hanji, cotton, silk fabric and exposed them to carbon arc light. The results of experiment have been analysed by Munsell's value, and compared the difference of colors which were recognized visually. Gardenia Jasminoides is monogenetic dye, but it gained darker color by pre-mordanting method used aluminum mordant agent and greenish yellow color by ferric mordant agent. whereas Curcuma, an Amur cork, and bud of pagoda tree are shown as greenish yellow color, and A barberry root, Betel nut, and Rhubarb are shown as reddish yellow color. these gained khaki colored dyed fabric by ferric mordanting. In addition, Sappan wood showed great result in pre-mordanting. Especially, it gained dark red color by aluminum pre-mordanting. The pink color was shown by post-mordanting. and Logwood showed great dyeing result in Hanji and cotton better than silk. Specially pre-mordanting was effective. Hanji and cotton showed greenish blue color by aluminum pre-mordanting, and silk showed brown color. However the color, which was recognized visually, differed from colorimeter sometimes. Therefore, such color table might be necessary for the natural dyeing.

• Journal of the Korean Applied Science and Technology
• /
• v.29 no.3
• /
• pp.402-411
• /
• 2012

Natural Bokbunja is used as a material of oriental medicine which it obtains from Rubus or Raspberry. Natural Bokbunja Rubus has natural odor and taste, natural color, and pharmaceutical & chemical characteristics. This experiment tested antimicrobial experiment against microbe and dye experiment against fiber using natural Bokbunja extract. Some conclusions from this characteristics experiment were obtained as follow. The result of antimicrobial experiment could know that ATCC-001(staphylococcus aureus) does not show nearly from 72hrs after cultivation test and ATCC-002(aspergillus niger) shows to propagate continuously according to passage of time. Also, the result of dye experiment could know that cotton and silk using alum mordant($Al_2(SO_4)_3{\cdot}13-14H_2O$) against fiber shows in direction of light beige color. The result of instrument analysis ascertained inorganic components of K(221.100ppm), Mg(17.920ppm), Ca(5.129ppm), Na(2.940ppm), Si(0.638ppm) etc from Bokbunja with ICP/OES, and ascertained organic components of boric acic(1.711), silane(2.142), pyrazole(3.481), propyl isothiocyanate(2.565), furfurole(11.521) etc from Bokbunja with GC/MSD.

• Journal of the Korea Fashion and Costume Design Association
• /
• v.19 no.1
• /
• pp.135-145
• /
• 2017

In order to analysis on color difference of yellow natural dyes, I have dyed cellulose and protein fabrics. The results of experiment have been analysed by wavelength of maximum absorption, amounts of dye uptake, color difference, Hunter's value and Munsell's value. The results from these analyses are as follows : Bud of pagoda tree, Amur cork, and Curcuma showed greenish yellow color, Gardenia Jasminoides showed reddish yellow color. Barberry root showed reddish yellow color with post-mordanting method on cellulose fabric. Moreover, Dupioni silk was dyed in reddish yellow color by Barberry root and Rhubarb. In addition to Chroma index, Gardenia Jasminoides and Curcuma showed clear color overall. However, dyeing rayon and silk by Barberry root, and dyeing silk by Rhubarb showed clear color. Comparing all the results to actual dyed materials, Bud of pagoda tree had small dye uptake, and both ${\Delta}a$ and ${\Delta}b$ value were short which can't recognized the yellow color easily. Dye uptake of Amur cork and Gardenia Jasminoides was small just like Bud of pagoda tree. However, ${\Delta}b$ value order was Gardenia Jasminoides>Amur cork>Bud of pagoda tree. Therefore, Gardenia Jasminoides recognized reddish yellow because of big value of red color and yellow color. In case of Barberry root and Rhubarb which have larger dye uptake, Baberry root recognized yellow color on rayon only, and couldn't recognized yellow color on bleached cotton fabric, ramie, silk, and dupioni silk. Rhubarb recognized yellow color on rayon with pre-mordanting method only, but recognized silk and dupioni silk as brown like color. Moreover, we could not analyze color by dye uptake, Lab, and H(v/c) for Barberry root and Rhubarb. As a result, I think we need to attach color table for the research paper which handled the color of dyeing materials.

• Applied Microscopy
• /
• v.38 no.1
• /
• pp.35-41
• /
• 2008

Onions are commonly available and easily processed, and since their skins are thrown away they could be very useful materials from the viewpoint of environmental preservation. This study aimed to process onion skins into the state of powder and look into the optimum condition for hair dyeing by decoloring virgin hair four times and observing the hair dyeing quality and its mechanical and morphologic changes by the different condition of onion skins in duration, temperature, density, pH, and mordant treatment. The observations of hair surface through scanning microscopy showed the formation of cuticle layer, though in a little blown-up state in the case of the hair dyed with onion skin application, when compared with bleaching hair with the completely dissolved cuticle layer. According to the above findings of experiments, the dyeing quality of the hair dyes with onion skin application was excellent, the dyeing was also feasible without mordants, and the use of Fe as the mordant increased dyeing exhaustion more, which would make it an effective hair dye. These results of the experiments indicate that the natural pigment extracted from onion skins can be actually used for hair dyeing from the viewpoints of the dyeing quality and the skin treatment.