Journal of the Korean Society of Clothing and Textiles
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v.10
no.2
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pp.1-9
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1986
To study the effects of surface structure of fiber on the decrement of fatty soil removal at high temperature, the following variables were selected: controled and alkali-treated P.E.T.(polyester) fabrics and chopped fibers as substrates to estimate the detergencies, different aging methods of soiled substrates, and different washing temperatures and surfactant solutions. Radiotagged tripalmitin was used as soil and the detergency was estimated by means of liquid scintillation counting method. The results were as following: The surface of the fiber became rough with many grooves and the hydrophilicity of the fiber was increased and the structure of the fabric became loose by alkali treatment. While the detergency of alkali-treated P.E.T. fabric was better than that of controled P. E. T. fabric, there was no significant differences between the detergencies of controled and alkali-treated chopped fibers. These results indicate that the increment of detergency of alkali-treated P.E.T. fabric is mainly resulted from the changes of fabric structure and the improved hydrophilicity of fiber by alkai treatment. The detergency of tripalmitin was increased with elevating temp. below the m.p. of tripalmitin, was decreased around the m.p., and again was increased above the m.p ..It is considered that the decrement of detergency around the m.p. is due to the diffusion of molten tripalmitin into the grooves on fiber surface, the inner part of fiber, and between fibers. When controled and alkali-treated soiled fabrics and soiled chopped fibers were washed in the distilled water and in the Na-DBS solution respectively, below $60^{\circ}C$ detergencies of alkali-treated fabrics and chopped fibers were improved. However above $60^{\circ}C$ this result was reversed. Therefore these results are regarded as the effects of grooves on fiber surface at high temp. and improved hydrophilicity at low temp. by alkali treatment. When controled and alkali-treated soiled fabrics and soiled chopped fibers were hot-aged before washing, the detergencies of both species were decreased generally. Because the soil was diffused into the grooves on fiber surface, the inner part of fiber, and between fibers during hot-aging. The detergencies of hot-aged species were also decreased above certain temp.. These results suggest that the decrement of detergency at high temp. be resulted not only from the diffusion of soil into the grooves on fiber surface, the inner part of fiber, and between fibers, but also from the characteristics of surfactant solutions.
Journal of the Korean Society of Clothing and Textiles
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v.30
no.9_10
s.157
/
pp.1354-1365
/
2006
China has a big potential as an apparel market due to its rapid economic growth. In the fashion industry, great attention has been paid to China. However, analysis of competitiveness has received relatively little attention from fashion scholarship. This study attempts to apply the double diamond model to analyze the international competitiveness of the apparel industry of China as well as of Korea. The purpose of this study is 1) to establish diamond model components in the fashion industry for Korea and China respectively, and 2) to compare the established diamond models(i.e., double diamond model, multinational diamond model) between Korea and China. Finally we suggested a marketing strategy based on the results of the double diamond model application. To build a diamond model for each country intensive literature review were conducted and additionally quantitative data were collected from 31 merchandisers and managers. We found that the domestic diamond of China was larger than Korea's, but firm strategy, structure and rivalry condition of Korea were more competitive than China's. Secondly, regarding the international diamond, China was more competitive, and especially had more the larger factor condition than Korea confirming that Korea was less competitive than China. This article provides a theoretical background and empirical findings for the competitiveness model of the fashion industry.
Journal of the Korean Society of Clothing and Textiles
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v.36
no.8
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pp.875-884
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2012
Many Koreans have recently bleached their black hair to blond or a light color due to the influence of their favorite Korean idols. Bleaching effects were studied under various bleaching conditions, such as the concentration of oxidants, the ratio between bleach accelerant and oxidant, and treatment temperature and time. The degree of damage of bleached hair with the same color difference (${\Delta}E$) intervals was observed in SEM images, the retention of breaking load and the change of color after dyeing. The ratio between bleach accelerant and oxidant of 1:2.5 was an effective condition. $L^*$ values of the bleached hair treated with 9% oxidant increased to 90 min. At a treatment temperature of $30^{\circ}C$, $a^*$ values were maximum at 30 min and then decreased as time further increased; however, $b^*$ values of the bleached hair increased as the treatment time increased. At $45^{\circ}C$, both of $a^*$ and $b^*$ values showed a maximum at a specific time. Bleaching efficiency was influenced most by temperature, followed in order by time, and oxidant concentration. As the treatment time increased, $L^*$ values greatly increased with twice treatment; however, $a^*$ and $b^*$ values decreased. Bleached hair, which had a color difference of higher than 30, showed the scales were completely removed and the retention of the breaking load greatly decreased. Highly bleached hair showed a great decrease in $L^*$ values by dyeing; however, dyeing with bright colors was more indicative to the effect of bleaching.
Park, Jang-Woon;Kim, Su-Jin;Yang, Yoon-Jung;Han, Ah-Reum;Kim, Choon-Jung;Cho, Gil-Soo;You, Hee-Cheon
Journal of the Ergonomics Society of Korea
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v.29
no.2
/
pp.217-224
/
2010
Research has been conducted to examine the effects of mechanical and sound characteristics of fabrics on affective quality. The present study developed the Affective Quality Evaluation and Estimation System for Textiles (AQEEST) with distinguished features that can be effectively used in the affective research of fabric frictional sound. The AQEEST consists of three subsystems (affective quality evaluation, affective quality estimation, and audible distance estimation subsystems) and each subsystem consists of three to four modules (e.g., evaluation condition setup, evaluation experimentation, and textile database management modules) depending on its functional requirements. The affective quality evaluation subsystem was designed to help administer an experiment in a systematic manner and present acoustic and visual stimuli simultaneously in various gait conditions (walking, jogging, and running) to mimic a more realistic situation of textile frictional sound production. Next, the affective quality estimation subsystem was designed to estimate the sound characteristics, affective qualities, overall psychological satisfaction, and reference cluster of a textile using its mechanical and/or sound characteristic information. Lastly, the audible distance estimation subsystem was designed to estimate the just noticeable sound pressure levels and audible distances of a textile for various gait conditions using its mechanical characteristic information. The AQEEST can be upgraded by accommodating more affective quality study results for various textiles.
Journal of the Korea Fashion and Costume Design Association
/
v.10
no.1
/
pp.117-123
/
2008
When it comes to clothing design, after the mid 20th century some internationally renowned designers began to recognize the pivotal role clothing materials play in attracting the hearts of customers. Accordingly, they started to take advantage of new clothing materials in the sector of clothing design. While the theme of fashionable clothing products shifts from style and color to clothing materials, fashion designers place the quality of materials at the center of clothing designs. Fashion designers also realize that good quality of materials should be used to boost the value of products as well as to satisfy the conditions of creativity, practicality and aesthetics. In particular, as the non-apparel industry in which clothing materials are the most important aspect between fashionable color, silhouette and details is enhancing their attention to develop various materials in order to meet the needs of customers, the fashion industry places a high premium on textile design which is the pinnacle of expressing emotion on clothing materials. In addition, the industry raises awareness of developing more sophisticated and differentiated materials. Our thesis covers the way how to apply $moir{\acute{e}}$ pattern to clothing design on the basis of research. In order to put that research into practical use, we produced textiles which effectively display $moir{\acute{e}}$ pattern. Before this process, we tried to ensure that radial grating created $moir{\acute{e}}$ pattern effects. To this end, the weaving process was applied, depending on whether light can penetrate textiles or not. Then, we manufactured test-products using $moir{\acute{e}}$ pattern.
Journal of the Korean Society of Clothing and Textiles
/
v.25
no.6
/
pp.1155-1166
/
2001
The purposes of this research were 1) to identify shopping orientation according to customer's personality type, 2) to examine perceived importance of service and satisfaction of service related to customer's personality type, 3) to find the relationships of evaluation of salesperson's service and re-purchase intention in each of customer's personality types. The data were collected via self-administered questionnaires from 434 female formal wear shoppers. and were analyzed by frequency, factor analysis, ANOVA, Chi-square test, and multiple regression analysis. The results of this study were as follows: Shopping orientations varied according to customer's personality type. E type had stronger Hedonic/self-confidence than I type, F type had higher Depending decision making than T type and P type had higher Quick decision making than J type. And service items satisfied the customers with a certain personality type. E type was satisfied with timely and proper A/S, not forcing to purchase and trustful behavior of salesperson more than I Type was. And also with expertise, individualized care, polite attitude, and merchandising promotion. N type was satisfied with individualized care more than S type was. A service evaluation criterion affected the re-purchase intention for a customer with a certain personality type. Customer's convenience in E. I. S, N, T, F, J types had a significant effect on re-purchase intention. And Expertise/ care in E, N, T, J types had a positive effect on re-purchase intention. also Politeness in E, I, S, N, T, J, P types did. But in only E type, Merchandising promotion affected re-purchase intention.
Choi, Seong Su;Im, Wan-Bin;Kim, Jin Hong;Park, Young-ae W.;Woo, Je-Wan
Elastomers and Composites
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v.37
no.4
/
pp.224-233
/
2002
This study has investigated the flame retardant properties of EPDM rubber with the addition of various flame retardants. Carbon black, stearic acid, zinc oxide cross-linking agent were mixed with EPDM rubber to produce the base rubber E0 without the addition of flame retardants. Phosphorus flame retardant Tricrecyl phosphate(TCP) was added to E0 in 0.5, 1, 1.5, 2 phr to make E1~E4 samples and red phosphorus was added in 3, 6, 9, 12 phr to make E5~E8 samples. A flame retardant of the bromine family Decabromodiphenyloxide(DBDPO), and a chlorinated paraffin retardant of the chlorine family was added to E0 in 3, 6, 9, 12 phr to make E9~E12 and E13~E16 samples, repectively. Basic physical properties such as tensile strength, tear strength and hardness were measured for all the rubber samples with various flame retardant additions. There was no substantial differences. On the other hand, Oxygen index and UL94 were measured to study flame retardant properties. From oxygen index measurements E0 sample showed a value of 23.5%, indicating the improvement of flame retardant properties. Also from UL94 measurements, it was found that addition of red phosphorus resulted in maximum flame retardant effect. It was found that increasing the amount of addition resulted in decreasing combustion rate and improving flame retardant effect regardless of the kind of flame retardant.
Journal of the Korean Society of Clothing and Textiles
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v.25
no.7
/
pp.1258-1269
/
2001
The purpose of this study was to investigate the dimensions of fashion lifestyle, to examine the relationship between fashion lifestyle and internet advertising effect, and to identify the moderating effect of fashion lifestyle on the relationship between advertising types and advertising effects. Using dependent variables as internet advertising effects(i.e., attitude to advertising, attitude to product, attitude to brand), advertising types (i.e., banner, website e-mail types) and fashion lifestyle were used as independent variables. For the study, a sample of 152 apparel consumers participated in this survey research. The survey of design with a questionnaire was employed. Three types of fashion advertisement were included as banner type, website type, and e-mail type. For each type, two samples were included for the study. Questionnaire was developed with the html language and data collection was done through the internet on October 2000. For data analysis, descriptive statistics(i. e., frequency, percent), factor analysis, reliability analysis, linear regression and ANOVA were used. First, fashion lifestyle was classified with the seven dimensions: personality seeking group, planning purchase group, fashion leader group, fashion information seeking group, media preference group, commonness/traditional group, fashion follower group. Second, fashion lifestyle had signification effects on advertising effects. In the group of fashion lifestyle, fashion Information seeking group and planning purchase group were found to influence on the attitude toward advertising, and planning purchase type was influenced to attitude toward brand and attitude toward product. Third, main effects of fashion lifestyle were found to be significant. The correlation and interaction effects of fashion lifestyle and internet advertisement types were not significant.
Journal of the Korean Society of Clothing and Textiles
/
v.38
no.4
/
pp.440-454
/
2014
This study examined the wearing effect of 3D compression suits on quantitative electroencephalogram (EEG) during walking and rest. Ten males in their 20s wore three types of experimental clothing, a loose-fit wear (BS), a 3D compression suit (3D CS), and a power film welded on CS (3D WCS); in addition, EEG signals were measured during resting, walking, after walking, and after sit-ups. The results showed that a higher pressure (due to 3D CS and 3D WCS) increased the 'Concentration' level and the 'Cognitive load' of brain waves during treadmill walking due to a higher cortex activity level when walking. Differentiation was shown between two compression suits and BS was enhanced during walking on a treadmill; however, the brain waves of 'Relaxation' between two compression suits were significantly different after walking, i.e., 'Relaxation' level of 3D WCS was the highest. Rigorous exercise such as sit-ups was inefficient to distinguish the effect of compression suits on EEG. Participants perceived a higher pressure due to compression suits; however, the wear comfort of two compression suits was maintained. Two compression suits were rated as supportive and helpful during walking. Various EEG parameters such as the indices of 'Relaxation', 'Concentration' and 'Cognitive load' were effective to observe the effect of 3D compression suits on wearers' brain waves during and after walking.
In order to develop "textile electrode - sensing clothing" which is a sort of smart clothing to measure electric activities of heart, we propose possible ways to develop textile electrode and design of sensing clothing, ultimately aiming to develop "ECG sensing clothing for lifestyle monitoring". Conventional sensors for measuring typical electric activities of heart keep certain distance between measuring electrodes to measure signals for electric activities of heart, but these sensors often cause inappropriate factors (e.g. motional artifacts, inconvenience of use, etc) for monitoring natural cardiac activities in our daily life. In addition, most of textile electrodes have made it difficult to collect data due to high impedance and unstable contact between skin and electrodes. To overcome these questions, we minimized distance between electrodes and skin to maximize convenience of use. And in order to complement contact between skin electrodes, we modified textile electrode's form and developed ways to design clothing. As a result, we could find out clinical significance by investigating possible associations of clinical electrocardiogram (ECG) with variation of distance between electrodes, and could also demonstrate clinically significant associations between textile electrode developed herein and clothing.
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