감물염색 면직물의 기능성 및 외관에 관한 연구
Research on the Functionality and Appearance of Persimmon Juice dyed Cotton Fabrics
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본 연구에서는 감물로 염색한 면직물의 염착량, 역학적 특성, 강연성, 방추성, 드레이프 등 직물의 외관과 관련된 평가, 항균성 및 소취성의 기능성 및 각종견뢰도를 평가하여 감물로 천연염색한 면직물의 패션소재 및 환경친화적인 건강기능성 소재로의 활용가능성을 검토하였다. 그 결과 감물염색 면직물의 염착량 K/S값은 6.89이었으며, 표면색은 색상 3.9YR, 명도 4.3, 채도 2.76으로 약간 탁하고 어두운 Yellow Red를 나타냈다. 염색포는 황색포도상구균과 폐렴간균에 대해 99.9%의 완벽한 항균능력과 99%이상의 소취율을 나타내어 감물염색 면직물의 기능성을 확인할 수 있었다. 반면 감물염색 면직물의 역학적 특성 및 기본 태를 평가한 결과, 감물염색으로 면직물이 뻣뻣해져 쉽게 늘어나지 않고 약간 거친 촉감을 가지는 것으로 확인하였다. 또한 감물염색 면직물의 강연도, 방추도, 드레이프성의 외관과 관련된 물리적 특성에서도 염색전 면직물보다 구김회복성이 낮으며 현저히 뻣뻣한 직물임을 확인할 수 있었다. 감즙염색 면직물의 염색견뢰도는 일광, 드라이클리닝, 세탁 및 땀의 오염도는 4∼5등급으로 우수하였으나, 세탁 및 땀의 변퇴색은 3등급으로 양호한 결과를 나타내었다. 따라서 본 연구의 감물로 염색한 면직물은 우수한 항균성 및 소취성을 나타내어 환경친화적인 건강기능성 소재로의 활용가능성을 확인할 수 있었다. 또한 하절기에 부드럽고 유연함이 요구되는 디자인이 아닌 빳빳함이 유지되어 박스형의 실루엣을 표현하기 위한 디자인의 패션소재로 활용가능함을 확인하였다.
Abstract
In this study, the dyeing amount (K/S value), antibacterial properties, deodorizing rate, and the various color fastness of cotton fabric dyed with persimmon juice were evaluated, and the appearance of the fabric, such as mechanical properties, drape stiffness, crease resistance, and drape coefficient, were used to determine the possibility of utilizing persimmon juice-dyed cotton fabric as a fashion and environmentally-friendly functional material. The dyeing amount (K/S value) of the cotton fabric was 6.89, and the surface color was slightly turbid and dark yellow-red, with hue 3.9YR, value 4.3, and chroma 2.76. The persimmon juice-dyed cotton fabric showed excellent an antibacterial activity of 99.9% against Staphylococcus aureus and Klebsiella pneumoniae and a deodorization rate of over 99%, confirming the functionality of the dyed cotton fabric. The mechanical properties and primary hand value showed that the dyed cotton fabric was stiffer and slightly rougher than undyed cotton fabric. In addition, the examination of the appearance of the fabric in terms of drape stiffness, wrinkle resistance, and drapability showed that the dyed cotton fabric had lower crease recovery and was significantly stiffer than the undyed cotton fabric. The colorfastness of the persimmon juice-dyed cotton fabric was excellent with a grade of 4-5 for light, dry cleaning, and soiling in washing and perspiration, with a grade of 3 for fading in washing and perspiration. Therefore, the cotton fabric dyed with persimmon juice in this study showed excellent antibacterial activity and deodorizing properties, confirming its potential as an environmentally-friendly and health-functional material. It was also confirmed that it can be utilized as a fashion material for designs that express a boxy silhouette by remaining stiff rather than soft and flexible in summer.
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