• Title/Summary/Keyword: silk fabrics

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Dyeability of Fabrics Using Indian Dyestuffs of Madder, Marigold and Pomegranate (인도산 꼭두서니, 매리골드, 석류염재를 이용한 직물의 염색)

  • Ko, Yoowha;Yoo, Hye Ja
    • Journal of the Korean Society of Clothing and Textiles
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    • v.38 no.6
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    • pp.929-941
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    • 2014
  • Dyeability of Indian natural dyestuffs to fabrics was investigated. Indian dyestuffs are more inexpensive than domestic dyestuffs purchased at oriental medicine stores. We studied the dyeability of madder, marigold, and pomegranate imported from India on cotton, silk, and wool fabrics. Dyebaths of a combination ratio of 80:20, 60:40, 50:50, 40:60 and 20:80 of madder and marigold, fabrics with orange colors were dyed. To evaluate the dyeability of dyed fabrics, K/S values, Munsell color values and CIE L, a, b, ${\Delta}E$ were measured. The dyeability of fabrics dyed in dyebaths of pH 4 and pH 7 were higher than pH 10. The dyeability in pH 4 was better than pH 7. Silk fabrics dyed with madder and marigold showed good dyeability and wool fabrics showed good affinity in madder dyebath and fair affinity in marigold dyebath. Cotton fabrics showed fair affinity in a marigold dyebath of pH 4 and pH 7. Cotton fabrics dyed with a 60:40 ratio of madder and marigold showed 4.76YR of Munsell color value. Silk Fabrics dyed with a 40:60 ratio showed 4.76YR and wool fabrics dyed with 20:80 ratio showed 5.57RY. The ratios produced the closest colors to 5.0YR of orange. This result indicated that marigold had a more powerful effect on cotton fabrics while madder was stronger on wool fabrics. Fading grades of washing colorfastness of wool and silk fabrics dyed in mixed dyebaths were higher than 3.5-4.0 and higher than homogeneous dyebaths. Staining grades of washing colorfastness of all dyed fabrics were between grades 3.5-5.0. Colorfastness to dry-cleaning was high as grades 4.0-5.0 in all of dyed fabrics. Colorfastness to light of dyed fabrics showed a fair grade of 3.5-5.0; in addition, wool fabrics showed lower grades than silk and cotton fabrics.

Objective Hand of High-performance Silk Fabrics (기능성 가공된 견직물의 태)

  • Kim, Hyun-Ah;Ryu, Hyo-Seon
    • Journal of the Korean Society of Clothing and Textiles
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    • v.34 no.5
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    • pp.754-764
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    • 2010
  • Most silk fabrics are produced only after the degumming process to make the best use of the properties and have restricted silk processing that do not hinder their performance. However, considering the highly increased preference for natural fibers and the shortage of raw silk, high-quality upgraded silk product functions are required by the development of a processing technology and a good design. This study analyzes the changes with the samples by the functional finish such as softening finishing, wash and wear, tannin weighting by measuring the objective hand of scoured silk and three finished ones using KES-FB. As a result, the change of objective hand of finished silk fabrics that improves functionality was analyzed and compared. The increase of KOSHI after the finish became stiffer show that the silk fabric samples are appropriate for summertime clothes with the retention of a certain clothing climate for the body. The stiffness of finished fabrics for the normal had a closer relationship with the density of fabrics than the type of finishing. The samples (after the softening finishes) maintain better elasticity according to the properties of the softener and the finishing agent. Although the specimens of this study were thin fabrics, their elasticity against compression increased after the softening finishes and became softer than degummed silk. The surface properties of georgette were changed by all types of finishing.

A Study on the Dyeing Properties of Petasites Japonicus Leaf Extract (머위 잎 추출액의 염색성 -매염제가 염색성에 미치는 영향-)

  • Kim Ae Soon;Chang Che Chul;Moon Un Joung
    • Textile Coloration and Finishing
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    • v.17 no.1
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    • pp.1-6
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    • 2005
  • This study were carried out to investigate the effects of mordants and mordanting methods under the various dyeing conditions such as temperature, time, pH, repetition of dyeing in the silk fabrics with Petasites japonicus leaf. It was the most high K/S values of the silk fabrics dyed with Petasites japonicus leaf according to co mordanting and used cupric sulfate, ferric sulfate as mordanting agents. K/S values of the silk fabrics dyed with Petasites japonicus leaf were increased gradually with dyeing temperature, dyeing time, repetition of dyeing was higher and the optimum pH was pH 7. Silk fabrics were colored yellowish orange and surface color(munsell value) was changed from 8.3YR to 2.0Y by using mordanting agents and those of the silk showed high tone when mordanting with cupric sulfate but decolored and darked when mordanting with ferric sulfate. Washing fastness of silk fabrics were good in 4 ~ 5 grade, so washing fastness of the silk fabrics was significantly improved when washed with the neutral detergent.

The Anti-microbial Activity of Silk Fabrics Dyed with Chelidonium majus var. asiaticum extracts (애기똥풀 추출액으로 염색한 견직물의 항균성)

  • Jung, Jin-Soun
    • Fashion & Textile Research Journal
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    • v.11 no.5
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    • pp.827-832
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    • 2009
  • The purpose of this study is to scientifically proof possibility of development of natural dye which has antimicrobial activity with Chelidonium majus var. asiaticum. For that silk fabrics dyed with Chelidonium majus var. asiaticum extracts were tested for anti-microbial activity. Bacterials used for test of anti-microbial activity were Staphylococcus aureus ATCC 6538, Klebsiella pneumoniae ATCC 4352 and Trichophyton mentagrophytes IFO 5466. The results of experiment were as follows ; 1. The more the number of times of dyeing increase the more value of K/S increased. 2. Reduction of bacterium against Staphylococcus aureus ATCC 6538 of silk fabrics dyed with Chelidonium majus var. asiaticum extracts was 99.9% without reference to the number of times of dyeing. 3. Reduction of bacterium against Staphylococcus aureus ATCC 6538 of silk fabrics dyed with Chelidonium majus var. asiaticum extracts was 99.9% after irradiation of 20 hour without reference to the number of times of dyeing. 4. Reduction of bacterium against Staphylococcus aureus ATCC 6538 of silk fabrics dyed with Chelidonium majus var. asiaticum extracts was over 94.8% after dry cleaning. As above silk fabrics dyed with Chelidonium majus var. asiaticum extracts were acquired a high anti-microbial activity against Staphylococcus aureus ATCC 6538.

Dyeing Property and Functionality of Silk Fabrics Dyed with Rhododedron brachycarpum Extracts (만병초 추출물에 의한 견직물의 염색성 및 기능성)

  • Kim, Sangyool
    • 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.

Types and Trade Characteristics of Textile Products Imported from Japan during the Port-Opening Era -Focusing on Cotton, Silk, and Woollen Cloths- (개항기 일본으로부터 수입된 직물 상품의 종류와 무역 특성 -면직물, 견직물, 모직물을 중심으로-)

  • Kim, Soon-Young
    • Journal of the Korean Society of Clothing and Textiles
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    • v.45 no.5
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    • pp.770-787
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    • 2021
  • This study examines the types of cotton, silk, and woollen products imported from Japan during the port-opening period and explores the characteristics of import trade related to these textile products. Data were obtained from the Japanese trade statistics published by the Japanese government between the late 19th and the early 20th centuries. Several key findings were made from these data. First, at least 24 types of cotton fabrics, 13 silk fabrics, and 16 woollen fabrics imported from Japan were identified. Several types of weaves that can be found in the present day were also identified. Second, the total import of textiles during the port-opening period made up 33.7% of the total imports from Japan, indicating that textiles were an important aspect of import trade with Japan. The value of textile imports from Japan tended to increase overall during this time. Cotton fabrics and silk fabrics showed a tendency to increase continuously, while woollen fabrics showed a trend of gradual increase over repeating periods of increase and decrease. It is apparent from examining the ratio of Japanese and foreign products that cotton fabrics, silk fabrics, and woollen fabrics show different characteristics.

Mechanical Properties of Silk Fabrics dyed with Persimmon Juice (감즙 염색에 의한 견직물의 역학적 특성)

  • Bae, Jung-Sook
    • Fashion & Textile Research Journal
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    • v.15 no.1
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    • pp.156-162
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    • 2013
  • For the development of high quality textiles, silk fabrics were dyed repeatedly with persimmon juice by padding mangle. We evaluated the mechanical properties and hand value by Kawabata Evaluation system for dyed silk fabrics. The results obtained from this study were as follows. With the increase of repeating padding times of dyeing, the linearity load-extension curves of the silk fabrics were increased; however, the tensile resilience of fabrics decreased. The hysteresis values of shear force were increased without significant change of shear stiffness. The coefficient of friction values were also decreased and geometrical roughness values were increased. The silk fabrics dyed with persimmon juice had shown the thickness and weight grow as the number of padding increases. The hand values of silk fabrics which were classified into 6 items in the Kawabata Evaluation System, were evaluated as repeating times of dyeing with persimmon juice. The hand values of Koshi(stiffness) and Hari(anti-drape stiffness) were increased, whereas Shinayakasa (flexibility with soft feeling) and Fukurami(fullness and softness) were decreased by dyeing with persimmon juice. However there was no significant change in hand values according to repeating padding times of dyeing.

Color Image and Preference of the Silk Fabrics Dyed of Extract from Pine Needle by Ethanol and Distilled Water (에탄올 및 증류수 추출에 의한 솔잎 염색 견직물의 색채 이미지 및 선호도)

  • Jeon, Mi Sun;Park, Myung-Ja
    • Textile Coloration and Finishing
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    • v.25 no.4
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    • pp.327-336
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    • 2013
  • 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 $78^{\circ}C$ for 3hours and distilled water at $100^{\circ}C$ for 2hours. The 100% silk fabric was dyed of extract in pH 5 at $90-100^{\circ}C$ 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.

A Study on the Dress in Nogultai(老乞大) (老乞大의 복식연구)

  • 김진구
    • The Research Journal of the Costume Culture
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    • v.4 no.1
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    • pp.1-14
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    • 1996
  • The purpose of the study is to analyze the dresses appeared in Nogultai. In the analysis of this study names and kinds of fabrics, colors, motifs, places of production and names of dresses were examined. In the study various kinds of fabric colors and motifs of fabrics were appeared in Nogulta. Also a variety of silks such s brocade, damask, plain silks, ra, silk gauze, hemp cloth, cotton cloth, wool and fur were found. Colors of fabrics were of blue, green, indigo blue, red, light blue, brown, yellow, black and white were described. Mostly cleouds, flowers and mixtures of floral designs were used in silk brocades, Walrus was motif the only animal revealed in silk brocade. Nanching, Hanchaw, Suchaw were famous production centers of silk damasks, silk gauge and silk ra. Also Shantung and Suchaw produced good quality plain silk. Various kinds of coats, waded coat, wadded short coat, inner jackets, vest trousers, winter cap were included. Also accessories such as belt, cap, boots, socks, money belt, pouch were described. In addition, cosmetics, cosmetic kits and names of semi precious stones were mentioned. Seasonal garments differed according to kinds of fabrics and materials used. Wadded coat, wadded short coat, vest, winter cap and wool socks appeared as winter wear.

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A Study on the Properties of Silk and Nylon 6 Fabrics by Tannic Acid Treatment

  • Yoa, Soojin;Kim, Jongjun
    • Journal of Fashion Business
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    • v.20 no.3
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    • pp.119-132
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    • 2016
  • Weighting of silk fabrics have long been practiced in silk fabric trading based on the primary consideration of price-weight, and secondary one of quality improvement in handle, luster, and drape properties. Recent trend of practicing weighting of silk fabrics is, however, focused on the improvement of the handle, luster, drape, and other properties. During the finishing processes of synthetic fiber, nylon, comprising amide structure, include the use of tannic acid, especially in the dyeing. A multitude of studies are being implemented in terms of improving fastness to washing, fastness to light of dyed nylon product, or the light fastness of nylon 6 itself. In this study, the effects of various tannic acid treatments on the physical properties related to the handle of nylon 6 and silk fabrics are examined and reviewed. The effects of treatment condition of the tannic acid, e.g., the concentration of the aqueous tannic acid solution, treatment time, and temperature were investigated. As the concentration of the aqueous solution of tannic acid increased, the bending rigidity values of the silk and nylon 6 fabrics increased. The treated fabrics felt stiff to the touch. Within the mild conditions of bending employed in the bending measurement of KES, nylon 6 treated fabric specimen exhibited a trend of improvement of bending resiliency within the range of small bending deformation. The weight of treated fabrics have all increased. The air-permeability values decreased as the treatment concentration increased. However, the decrease tendency of air permeability values may be alleviated by adjusting the fabric count during the tentering or expanding processes, either by tension adjustment or heat treatment. Optimum conditions of the treatment for nylon 6 are 1.25% tannic acid concentration, bath temperature of $85^{\circ}C$, pH 3.1, and those for silk fabric treatment are 1.25% tannic acid concentration, bath temperature of $85^{\circ}C$, pH 3.1. The treatment conditions will lead to the improvement in the properties of fabrics for summer.