아세트알데하이드에 의한 전통직물의 손상 특성
Damage Characteristics of Korean Traditional Textiles by Acetaldehyde
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참고문헌
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초록
아세트알데하이드가 직물에 미치는 손상여부, 손상정도는 다른 재질에 비해 명확하지 않다. 본 연구는 견, 면, 모시, 삼베의 무염색, 천연염색시편을 대상으로 아세트알데하이드 0.1, 0.5, 1, 10, 100, 500, 1000 ppm 농도에서의 손상, 손상농도에서 온 ․ 습도 조건에 따른 손상 가중, 손상농도에서 열화직물시편의 손상을 광학적, 화학적, 물리적 측정방법으로 평가하였다. 이 결과, 아세트알데하이드 농도 1000 ppm/day에서 면_황색시편의 색차가 증가하였고, 고습조건(25 ℃, 80%), 고온조건(30℃, 50%), 고온 ․ 고습조건(30℃, 80%)에서 황색시편들의 색차 증가와 변퇴색등급 감소가 뚜렷하였으며, 고온 ․ 고습조건(30℃, 80%)에서 면_무염색시편의 아세트산이온 농도 증가, 견_무염색시편의 pH 감소가 나타났다. 열화직물의 경우, 흑색시편들의 아세트산이온 농도가 증가하였다. 이를 통해 아세트알데하이드가 전통직물에 미치는 손상은 크지 않으나 황색직물의 탈색과 열화된 흑색직물의 아세트산이온 농도 증가가 예상된다.
Abstract
Textiles damage caused by acetaldehyde(CH3CHO) is not clear as compared to other materials. Total 20 specimens were prepared using 4 different materials (silk, cotton, ramie, hemp) after dyed with 4 colors (undyed, red, yellow, blue, black). The specimens were exposed to CH3CHO gas in the test chamber. First, textile specimens' damage by differert concentration of acetaldehyde(0.1, 0.5, 1, 10, 100, 500, 1000 ppm) was tested. Second, accelerared damage to the textile specimens were tested according to the temperature and humidity conditions at the damage levels. Third, damage of deliberately degraded textile specimens were examined at the damage levels. After the exposure, optical, chemical, and physical evaluation was carried out. As a result, at 1000 ppm/day, the color difference of cotton_yellow has increased. At the condition of 25℃-80%, 30℃-50%, 30℃-80%, the color difference of yellow specimens has increased and grey scale rating has decreased. At 30℃-80%, acetate of cotton_undyed increased and the pH ofsilk_undyed decreased. In the case of deliberately degraded textile specimens, actetate concentration of black specimens increased. In conclusion, damage to the traditional fabric by acetaldehyde is not impact. However, it is expected that yellow specimens will be bleach and black specimens' actetate concentration will be increase.
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