Every year fish skin, bone and intestines are discarded as processing waste material. The use of fish processing waste material is more economical and environmental-friendly. The leather-like material was produced using shark intestine. Physical charactistics such as tensile strength, elongation, tongue tearing strength, and bursting strength of the leather-like material were measured, and compared with those of a commercial leather product. The values of tensile strength, elongation, tongue tearing strength, and bursting strength of the leather-like material were $3.3kg/mm^2$, $53\%$, 13.0kg/mm and $18kg/cm^2$, respectively. Elongation $(l09\%)$ of the leather-like material coated with lacquer was higher than that of a commercial leather material, and the other factors were similar. The tensile strength and tongue tearing strength of the leather-like material was higher than those of shoes leather, but bursting strength was lower. These results suggested a potential value to use the leather-like material from shark intestines as a substitute for commercial leathers.
Journal of the Korea Organic Resources Recycling Association
/
v.8
no.4
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pp.93-99
/
2000
Treatment of shaving scrap, a chrome containing solid scrap generated by leather manufacturing process, has been so far depended on mainly incineration, soil landfill and ocean dumping, which give bad impact on environment and cause pollution. Shaving scrap generates from the mechanical work for controlling the final thickness of leather and its main components are collagen protein and pan of chromium compound. For the purpose of reusing this leather waste as resources, researches in connection with collagen fiber recovery, gelable protein recovery and liquid fertilizer is being speedily progressed. In the experiment, shaving scrap went through wet pulverizing treatment by physical and chemical methods. Then, making the leather sheet evenly, it is mixed with natural latex and every kind of binding materials in the container, and the mixtures were passed through experimental hydraulic press machine and applied to Fourdrinier machine respectively. Lastly, a test for fading out physical strength and properties of multiple-purpose of leather-like material was performed on a continuous leather sheet prepared by the experiment. In result, the physical strength and properties of leather-like material showed noticeable differences according to mixing ratio of binding materials, beating methods and the Ends of binding materials selected, and generally tear strength was the weakest property among others. Also, by the pilot scale experiment in sequence, it was possible to manufacture recycled goods made of soft and hard types of leather-like material with various performances.
Journal of the Korea Fashion and Costume Design Association
/
v.23
no.2
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pp.165-176
/
2021
To solve environmental problems, research and efforts are required to reduce leather waste that is generated in large quantities during the leather manufacturing process. Leatherboard is a plate-like material that is made by crushing leather waste, such as trimming or shaving scraps and mixing fibers, pulp, rubber, and adhesives. The aim of this study is to provide basic data on the localization of leatherboard manufacturing technology for outsoles, which are increasingly in demand due to their excellent performance and price competitiveness. Interviews with experts and related organizations were conducted to investigate the related global technology trends. Also, the performance of three products that can be used as reference materials were evaluated and compared. As part of the research and efforts to reduce the amount of leather waste generated, high-performance materials using leather waste were developed and commercialized by major western companies. In Korea, various efforts have been made since 2000, and some companies have produced leatherboard for interior uses. However, the amount of waste recycled relative to that generated is not large due to the limited demand. Natural leather soles perform better than leatherboard soles in all evaluation aspects. In the case of leatherboard, performance varied by manufacturer. German products showed flexibility resistance and dimensional stability, thereby meeting performance requirements. However, abrasion resistance and cleavage resistance were slightly below the required performance standards, and research and development is needed to improve performance in those areas. Currently, it is impossible to evaluate the performance of domestic products due to underdevelopment. However, if the development of process technology continues based on the performance evaluation results of the best leatherboard in the shoe industry, materials for outsoles will be able to be produced domestically with prices competitiveness while realizing natural leather materials performance to some extent.
The purpose of this study was to analyze the formative characteristics appeared in modem Kitsch fashion which has been shown through the empirical data photogrphes from the 2000's to 2003 and the formative characteristics of Kitsch were divided into the material, ornament, color, pattern to understand the modem Kitsch fashion. The findings of this study could be summarized as follows: First, the modem Kitsch fashion in the material was used cheap, counterfeit materials like vinyl, artificial leather, immitation fur, beads and non-artistic materials like metal, plastic, paper and voluptuous material like seethrough to express eroticism and superficiality as the characteristic of Kitsch. Second, Kitsch fashion in the ornament was shown over-decoration by using the various accessories like bracelet, metal belt, gloves, etc to express as childish and coarse mixtures as the characteristic of Kitsch. Third, the modem Kitsch fashion was using splendid and bright, primary colors to express the image of complicated accumulation. Fourth, the modern Kitsch fashion mainly in the pattern was using ethnic, folklore and pop art pattern or print used hippies and pop art fashion to express the primitive purity as bounding of civilized society.
Journal of the Korea Fashion and Costume Design Association
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v.6
no.1
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pp.64-72
/
2004
The purpose of this paper is to investigate the changing fashion image of the glossy materials including metal, leather, vinyl, latex, plastic etc. from 1960's to the present. Glossy materials used in the second half of the 20th century showed a restricted image combined with a specific social circumstance. They expressed a reflection of young and future-oriented space period of 1960s. Many designers like Paco Rabanne and Andre Courreges were concerned with the fashion of space age and expressed that image with leather and synthetic materials including silver leather, metal chain armor, and plastic appeared as the keynote of fashion. In 1970's, glossy material was the symbol of avant-garde and rebellious attitude by the punk fashion. They maximized glamourous look of 1980s, and cyber look with an expectation for a new millenium of 1990s. On the other side, glossy materials seem to be used as a source of various inspiration of fashion designer in the 21st century. Also, some of the past images, for example space look and glamourous look, are revived in the 21 st century by the form of modified design.
The purpose of this study is to analyze how the women´s fashion with the design elements(silhouette, material, color, detail and trimming) of androgynous image which has appeared on our specialized fashion magazine from 1986 through 2000. As a result of this study I drew the following conclusion. 1. The bon silhouette led the market in the first stage of mid 1980. The wool and leather with the masculine image, cotton and soft material with unisex image were used to express the androgynous image. The dark and mono tone with the masculine image were used a lot in color. In women´s fashion the minimalism style with simple image was expressed escaping from the decoration, in which the detail and trimming was not found as in men´s wear. 2. It showed that more and more feminine image was accepted in the second stage of early 1990. Women´s wear silhouette with the androgynous image has changed from masculine box silhouette boomed in the first stage to hourglass silhouette and slim silhouette. The wool and leather were used a lot as the materials in the first stage but the usage of the cotton with unisex image and soft texture were getting increased. The main colors were the black and the blue but the usage of the white and the red were on the increase showing the range of the use was extending. In the meantime, the detail and trimming were hardly used like in the first stage. 3. In the third stage of the late 1990, the silhouette has changed to slim style. The wool and leather were mainly used as the materials but the cotton and silk were on the increase showing that the materials of the feminine image were used in the women´s fashion with the androgynous image as well as the materials of masculine image. In color, the black and the white of the masculine image were used increasingly by the effect of the minimalism and the usage of the colors were various for the rising frequency of the trend colors usage.
Journal of the Korean Society of Clothing and Textiles
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v.41
no.2
/
pp.224-241
/
2017
This study considered the change process for Western style shoes in Korea during the time of modernization in the 1920s to 1930s. Western style shoes were one of the items imported by foreigners since the Joseon Dynasty and had a significant impact on Korean dress code. It influence started to spread in the 1900s; however, few high level people wore Western shoes until the 1920s. The trend started to spread through newspaper advertisements and news articles after the mid 1920s. Western shoes such as modern girl and modern boy in the 1930s then entered into Korean culture. Korea under Japanese colonial rule was reorganized on a war footing in the latter half of the 1930s and the main materials for western shoes (cow leather, horse leather and sheepskin) were mobilized as materials for war production; subsequently, new materials using rubber were introduced. The representative material is 'Marine Leather (水産皮革)' and Sharkskin 'Gyoheok (鮫革)' and Whaleskin 'Gyeongpi (鯨皮).' Form is like the material has changed over time. This study also observed the flow of westernized Korean modern shoes as well as analyzed the details of materials and shape of western shoes by period. This represent basic materials to understand the legacy of western shoes in the age; in addition, systemic summary is organized by each kind, shape and materials for each style of western shoes.
This study is consider·ed about the relation or costume among Parhae, ancient Japan and Tang and the culture of this time commonly was influenced by Tang;s culture. The recorded items, which were exchanged from Parhae to Tang and ancient Japan, are the pelt of marten, seal, bear and tiger skin or Ammowhaha(암모화) Gu(구) and so on. Other items from Tang and ancient Japan to Parhae are various clothes and material like silk and so on. This Parhae's clothes made with leather obtained through hunting were the main product of Parhae and had been greatly famous in Tang and ancient Japan. At that time, Tang and ancient Japan had been only dependent on the agricultural life but had not been accustomed to the hunting life, and thereupon, the people in Tang and Nara Era had difficulties to get leather clothes. Accordingly, the leather products stood for the rich, and the people who purchased the leather products from Parhae were recognized as the rich. On the other hand, The prince and the royal family in Parhae were dispatched to Tang as Sooktwui(숙위). They paid a tribute to Tang and In return for it, Tang gave to Sookwui as well as to Parhae's envoys various items and clothes such as Po(포), belt(대), gold and silver Eodae(어대) and textile like a type of silk. These clothes were considered as the formal uniform like Kwanbok(관복) of Parhae. Specially, the time when Sookwui was sent to Tang rot-responded with the time when Tang gave formal uniform to Parhae's envoys. Therefore, we can confirm that the sending of Sookwui influenced to form uniform system of Parhae. In this exchange relation, there were several duplicated items showed, for example Po(포)-belt(대), Eui set(의일습), Eoeui(어의), Jobok(조복), Go(고). These items in Parhae were appeared in process of exchanging from Tang to Japan and from Tang to Parhae. At that time, the exchanges between Tang and Parhae were frequently active much more than those between Tang and Japan, and the acceptance of the culture from Tang was easier in Parhae than Japan in consideration of the geographical location. Therefore, those clothes could be understood as the items already used in Parhae and affected from Tang. These items in Parhae were appeared in process of exchanging from Tang to Japan and from Japan to Parhae. As a result, it is expected that the costumes, which Parhae took from Japan, are the same as those of Tang.
High water vapor permeable coating materials were prepared by blending aqueous poly(vinyl alcohol) (PVA) solution with waterborne polyurethane-urea (WBPU) dispersions synthesized by prepolymer mixing process. Stable WBPU/PVA dispersions were achieved at PVA content below 30 wt%. As the water soluble polymer PVA content increased, the number and density of total micro-pores (tunnel-like/isolated micro-pores) formed after the dissolution of PVA in water increased, and the water vapor permeability of coated Nylon fabric also increased significantly. Using WBPU/water soluble polymer PVA blends as a coating material and then dissolving PVA in water was confirmed to be an effective method to obtain prominent breathable fabrics.
Journal of the Korea Fashion and Costume Design Association
/
v.5
no.1
/
pp.73-83
/
2003
Out of a total of 437 subjects surveyed, 83.3 put on motocycle suits when they drive. Though the suits are not comfortable, many motocycle riders put them on for safty reasons. To protect a driver's body, motocycle suits should be patched with protective bands or safty pads in various areas like part of waist, backbone, pelvis and knees. The ratio of dissatisfaction with the preceding motocycle suits was great owing to inconvenience in washing and in posture, especially heavy suits. Their favorite suits were found to be linking or coupled types among two piece styles. Leather was shown to be the preferable material and they wanted designs which the protective bands, or pads can be attatched on each portion for needs of safty against impact but designed for comfort and ease of movenment.
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