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The Effects of Laundering on the Protective Performance of Firefighter Clothing
원아영,윤창상 한국섬유공학회 2021 Fibers and polymers Vol.22 No.11
Firefighters wear protective clothing that requires separate and extra care when washing or drying. However, whenfirefighter clothing is not properly maintained, it cannot be used for the entirety of its expected lifetime. The purpose of thisstudy is to identify firefighter clothing management practices and analyze the causes of deterioration during washing and dryingprocesses. This study aimed to derive a method to minimize the impacts to firefighter clothing from laundering without violationof Korean Fire Services Act and to offer a practical method to protect firefighters in dangerous environments. The studydetermined that afterglow, the cause of degradation of flame retardant performance in the firefighter clothing, was due toresidual detergent; the thermal energy of the dryer also contributed a certain amount. However, there was no difference inflame retardant performance when comparing the spin-drying speed (600 rpm vs. 900 rpm). There was also no difference inflame retardant performance even if the number of rinses increased from two to five times because the detergent adsorbedinside the fibers was difficult to remove with repeated rinses. Therefore, lowering the spin-drying speed to minimize damageto the fabric in the case of line-drying, and reducing the exposure to heat in tumble-drying by reducing the amount of residualmoisture by increasing spin-drying speed were found to be advantageous in terms of firefighter clothing care. In addition, toreduce the residual detergent, further research on the spin-drying profile, rinse water amount, and rinsing temperature isneeded.
아로니아 추출물에 의한 직물의 천연염색과염액의 Spectrum 분석
원아영,김종준 한국패션비즈니스학회 2018 패션 비즈니스 Vol.22 No.1
This study examined the dyeing characteristics and spectrum of cotton and silk by using dyeing solution extracted from aronia. The value L* which indicates the brightness of cotton regardless of mordant increases with increasing pH from pH 3.5 to pH 10.5. The color difference value(ΔE) of the cotton was generally high in pH 3.5 regardless of mordant existence. The silk showed the highest ΔE value in pH 3.5 dye solution as cotton did. On the other hand, the silk with mordant dyed showed the highest ΔE value in pH 7. Silk fabrics dyed with Aronia solution turns out red in pH 3.5, blue in pH 7 and yellow in pH 10.5. This is because of the amino acid, one of the silk ingredients, combines with a part of anthocyanin to show blue. As the result of the spectrum measurement, the maximum absorption wavelength of Aronia solution was increased in the order of pH 10.5, pH 3.5 and pH 7, regardless of extraction temperature and mordant. The measurement results of color fastness to washing and color fastness to light are generally low. Therefore, there is a need for further study to improve color fatness in the future.
Jungeun Lim,Jeein Choi,원아영,Minji Kim,김성민,윤창상 한국의류학회 2022 Fashion and Textiles Vol.9 No.1
To prepare measures for washing synthetic fbers, which cause proliferation of microplastics in the marine ecosystem, a fundamental analysis is required. Therefore, this study established an efcient method for quantitatively analyzing microfbers using artifcial neural networks, comparing the amounts of microfbers generated in the manufacturing, wearing, and washing processes of clothing. The proportion of microfber emitted during the manufacturing process was the largest (49%), followed by that emitted during the washing (28%) and wearing (23%) processes. This suggests that minimizing the amount of microfber emitted during the manufacturing process is key to solving microfber issues in the fashion industry. Additionally, during the wearing process, the amount of waterborne microfber detected in washing was slightly larger than the amount of airborne microfber. In the washing process, the washing temperature did not signifcantly afect microfber emissions. However, when reducing the amount of water used or increasing the number of washings, microfber emissions increased noticeably due to the greater friction applied to clothes. A common result of all experiments was that the largest proportion of microfbers was released during the frst fve washing cycles. Therefore, before wearing new items, consumers can minimize microfber release by pre-washing using a laundry bag that flters microfbers. Furthermore, the most efective way to minimize microfbers is to eliminate them from the manufacturing process before they are distributed to consumers