• Fashion & Textile Research Journal
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• v.25 no.6
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• pp.732-738
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• 2023

This study delves into the realm of upcycling beauty design by repurposing discarded CDs, magazines, and fabrics. The study outlines a meticulous process for transforming waste into beauty designs. We created three upcycling beauty design works as part of this investigation. The first creation, called Silver Leaf, uses the silver section of CDs to craft leaves and stems. Achromatic colors are used as makeup to achieve cyber-inspired imagery. After carrying out silver-gray eye makeup, the lips were completed by affixing a CD component. The second creation is a firebird crafted by cutting or folding fashion magazines to create essential items. The colorful firebird image was completed using vivid color makeup of shades such as red and yellow. After proceeding with red eye makeup, the lips were completed by cutting and pasting magazine cutouts. The third piece is a spring flower, which involved selectively cutting lace patterns to complete a beauty design extending from head to face. The colors are spring-themed and encompass pink, yellow, and blue. Pink, blue, and green eyeshadows were applied on the lace, attached from head to face, chest, and lips. This study advocates for the prospect of upcycling beauty design using sustainable materials by repurposing waste resources. It also introduces the possibilities of creative activities in this field through upcycling. The study aims to play a role in changing the perception of environmental conservation, a concern of our times, through the use of sustainable resources.

• Journal of Korean Home Economics Education Association
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• v.26 no.2
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• pp.89-99
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• 2014

Purchasing behavior for upcycled fashion products was examined along with analysis on environment consciousness, clothing recycling behavior, interest in fashion and awareness of upcycling. Students from middle schools, general high schools and design high schools participated in this research from August to September in 2013. 732 questionnaires were analyzed by SPSS WIN. Firstly the levels of environmental consciousness, clothing recycling behavior and interest in fashion of students were high, low and mediate respectively. Female students showed higher environmental consciousness compared to male ones and clothing recycling behavior were found to be higher in students of design high schools than those of general ones. The level of interest in fashion was found to be higher in students of general high school than those of middle school, and this was higher in design high school students than those of general ones. Secondly, more than half of students were unaware of upcycling. Female students and students of design high schools were highly aware of upcycling. Students who were aware of upcycling showed high level of environmental consciousness, clothing recycling behaviour and interest in fashion. Thirdly, students had low experiences in purchasing upcycled fashion products and the reason was lack of awareness of upcycling. The reason that students purchased upcycled fashion products was the uniqueness and design. Students who purchased upcycled fashion products showed high environmental consciousness, clothing recycling behaviour, and interest in fashion.

• Journal of the Korean Society of Clothing and Textiles
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• v.39 no.2
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• pp.257-270
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• 2015

This study investigates the effect of perceived value on attitude and purchase intention of upcycling fashion goods. The study also examines the effect of perceived value on attitudes according to fashion innovativeness. The qualitative data analysis results from NVivo 10.0 showed that consumers paid attention to the creative design value, environmental value, scarcity value of upcycling fashion goods. Next, 201 effective questionnaires were analyzed using SPSS 22.0 and AMOS 20.0. The results are as follows. First, there were 5 factor solutions for the perceived value of up-cycling fashion goods: environmental value, creative design value, functional value, emotional value, and self-expression value. Second, environmental value, functional value, and self-expression value positively affected attitude; however, creative design value and emotional value did not affect attitude. Third, attitude positively influenced purchase intention of upcycling fashion goods. Fourth, there was a significant difference in the magnitude of the effect of self-expression value on attitude according to fashion innovativeness. The results of this study provide useful information for marketers or managers interested in upcycling fashion goods.

• The Research Journal of the Costume Culture
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• v.26 no.2
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• pp.140-156
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• 2018

The purpose of this study is to review and establish the three concepts of upcycling, zero-waste fashion design, and regional sustainability through a review of domestic and international case studies. Furthermore, it will provide the theoretical basis for using upcycling as a regional sustainability practice to create zero-waste fashion design. To conduct an empirical study, we systematized the stages of the survey on waste resources in Changsin-dong, the sourcing and utilization of waste resources, the design-planning stage, and the co-production with pattern and sewing masters as a suggested practice for regional sustainability. Through this study, we propose the possibility of regional sustainability by developing and sharing the method of zero-waste fashion design. The conclusion of the study as follows: First, upcycling fashion designs can be extended to a regional sustainability practice by taking the characteristics of social design into account. Second, by providing a design development process and methodology suitable for regional sustainability application, it is helpful to revitalize regional upcycling fashion brands and communities by providing data for upcycled fashion branding. Third, as part of the revitalization project for the Chang-shin and Soongin areas that started in 2014, using the region's economic, cultural, and environmental characteristics to make and sell high-value, upcycled fashion products will contribute to social and economic achievements and aid in solving regional problems.

• The Journal of the Convergence on Culture Technology
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• v.5 no.1
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• pp.265-273
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• 2019

This research aims at developing human resources who will serve as flexible mediators in the future national or cultural conflict situations. The primary learning contents approach the class by selecting the upcycling design activities, in which the students recognize the problem of waste that is for all and study representative characteristics and backgrounds of each culture. The classes were held centering around the student members of GunpoYMCA, and the culturally characteristic materials were made through upcycling design. The activities included making giraffes in Africa with plastic bottles, Mongolian tents with wooden posts, snow globes with sauce pots, patchworks and rugs with shirts and textiles, and garlands with banners, which helped students learn the new term upcycling as well as get interested in the environmental problems. Also, they could understand other cultures by creating materials that represent each culture and studying their origins and historical backgrounds. In conclusion, this research offers value by developing abilities to cope with not only conflicts between cultures but confrontations between nations in the larger scope.

• Korean Chemical Engineering Research
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• v.61 no.4
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• pp.505-516
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• 2023

Plastic's ease of processing drives its growing production, resulting in a surge of plastic waste. Addressing this issue, catalytic upcycling emerges as a promising remedy. Various metals (Ru, Pt, etc.) and supports (TiO₂, CeO₂, etc.) have been employed for the chemical recycling of polyolefin plastics. Strategies to enhance liquid fuel selectivity and minimize methane include manipulating particle size, introducing heterogeneous metals, and tuning support characteristics. Simultaneously, endeavors to optimize catalysts by reducing precious metal usage were pursued. This study explores enhancing economic viability in hydrogenolysis and hydrocracking reactions, underscoring the potential of catalystdriven upcycling to tackle plastic waste.

• New & Renewable Energy
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• v.19 no.4
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• pp.2-10
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• 2023

The current mandatory domestic biodiesel blending ratio is 3.5%, which is planned to be gradually increased to achieve carbon neutrality by 2050. The aim of this study was to improve domestic self-sufficiency in biodiesel raw oil by conducting a technical review on the possibility of utilizing waste oils, such as soup oil, chicken oil, and leather oil, as biodiesel feedstocks. These waste oils have an acid value that is too high to be converted directly into biodiesel. Therefore, a pretreatment to reduce the acid value is necessary. The neutralization process was examined as a potential technology for reducing the acid value. The oil recovery rate of the soup oil after neutralization was significantly low at 37.6 wt%. The oil recovery rates of leather oil and chicken oil were 66.49 wt% and 79.08 wt%, respectively. Based on biodiesel conversion experiment using waste oil with a reduced acid value, the conversions were analyzed as 89 wt%, 91.1 wt%, and 90.5 wt% for soup oil, leather oil, and chicken oil, respectively. Thus, it is technically possible to use soup oil, leather oil, and chicken oil as raw materials for producing biodiesel.

• Journal of the Korean Society of Clothing and Textiles
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• v.44 no.5
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• pp.984-1003
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• 2020

The global fashion industry produces significant carbon emission and micro-plastics in oceans. Studies on sustainable design methods as such environmental issues in fashion are becoming intensely problematic. This study conducted a case study on 100 upcycle fashion brands to propose strategical upcycle fashion designs to compete in a sustainable fashion market. A literature review indicated that 3 types of textile wastes are generated as upcycling materials: post-producer, pre-consumer and post-consumer. Wastes are categorized together with 3 types of techniques: redesigning, reconstruction and handcrafting. This research derived 7 types of upcycle fashion designs that have the following features: to make luxury upcycle fashion products, to make sustainable grunge looks, to re-evaluate deadstocks, to recover vintage clothes, to convert waste into craft-arts, to offer solutions for damaged products, and to make zero-waste small fabric waste. The study results show that key drivers in the upcycle fashion design are the redesignability of materials and technique-related costs. This study implies that adopting appropriate design features can be a useful strategy for designers. New technologies will solve current problems and encourage them to design products in a new circular value system.

• 축산식품과학과 산업
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• v.12 no.1
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• pp.20-31
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• 2023

• Transactions of the Korean hydrogen and new energy society
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• v.31 no.5
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• pp.419-428
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• 2020

The kinetics of direct methanation over activated charcoal-supported molybdenum catalyst at 30 bar was studied in a cylindrical fixed-bed reactor. When the temperature was not higher than 400℃, the CO conversion increased with increasing temperature according to the Arrhenius law of reaction kinetics. While XRD and Raman analysis showed that Mo was present as Mo oxides after reduction or methanation, TEM and XPS analysis showed that Mo₂C was formed after methanation depending on the loading of Mo precursor. When the temperature was as high as 500℃, the CO conversion was dependent not only on the Arrhenius law but also on the catalyzed reaction by nanoparticles, which came off from the reactor and thermocouple by metal dusting. These nanoparticles were made of Ni, Fe, Cr and alloy, and attributed to the formation of carbon deposit on the wall of the reactor and on the surface of the thermocouple. The carbon deposit consisted of amorphous and disordered carbon filaments.