| 模拟光老化研究黄色植物染料染色丝绸的光致褪色 |
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| 引用本文： | 贺冰,徐雪萍,徐方圆,胡咪,施超欧. 模拟光老化研究黄色植物染料染色丝绸的光致褪色[J]. 文物保护与考古科学, 2016, 28(3): 30-39 |
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| 作者姓名： | 贺冰 徐雪萍 徐方圆 胡咪 施超欧 |
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| 作者单位： | 华东理工大学化学与分子工程学院,上海 200237,华东理工大学化学与分子工程学院,上海 200237,馆藏文物保存环境国家文物局重点科研基地上海博物馆,上海 200231,华东理工大学化学与分子工程学院,上海 200237,华东理工大学化学与分子工程学院,上海 200237 |
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| 基金项目： | 国家自然基金项目资助(41363009),甘肃省科学计划项目资助(1308RJZF290)和敦煌研究院课题资助(201306) |
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| 摘 要： | 为了科学评价照明光源对黄色植物染料染色丝绸的褪色影响,也为了给博物馆此类丝绸文物展陈的照明设计提供合理化建议,通过设计光照老化实验的方法模拟丝绸文物的光老化过程,研究了卤素灯、荧光灯及LED对黄檗、槐米等黄色植物染料染色的丝绸样品的褪色影响。结合色差分析,从染料耐光牢度、样品反射光谱及光源发射光谱等多个角度对染色丝绸的褪色进行了分析。借助液相色谱分析了光老化前后染料成分的变化。结果显示,含蓝光能量高的荧光灯和LED对黄色染料的损伤严重,蓝光能量少的卤素灯影响较小;色谱分析确定了染料的光老化前后的有效成分,推测了光老化反应的褪色机理。
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| 关 键 词： | 丝绸 黄檗染料 槐米染料 光老化 |
| 收稿时间： | 2015-07-31 |
| 修稿时间： | 2016-03-03 |
Research on simulated photodegradation of silks dyed with natural yellow plant dye stuffs |
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| HE Bing,XU Xueping,XU Fangyuan,HU Mi and SHI Chaoou. Research on simulated photodegradation of silks dyed with natural yellow plant dye stuffs[J]. Sciences of Conservation and Archaeology, 2016, 28(3): 30-39 |
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| Authors: | HE Bing XU Xueping XU Fangyuan HU Mi SHI Chaoou |
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| Affiliation: | School of Chemical and Molecular Engineering,East China University of Science and Technology,Shanghai 200237,China,School of Chemical and Molecular Engineering,East China University of Science and Technology,Shanghai 200237,China,Key Scientific Research Base of Museum Environment Shanghai Museum,State Administration for Cultural Heritage,Shanghai 200231,China,School of Chemical and Molecular Engineering,East China University of Science and Technology,Shanghai 200237,China and School of Chemical and Molecular Engineering,East China University of Science and Technology,Shanghai 200237,China |
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| Abstract: | To evaluate the fading of dyed silk scientifically, and to provide valuable lighting design suggestions to museums that exhibit this sort of artifact, light aging tests were designed to study the photodegradation effects of different lighting sources. The light fastness of silk dyed with natural plant yellow dyes (berberine and pagoda tree buds) was tested under three commonly used museum lighting sources (LED lamp, fluorescent lamp and halogen lamp). Chromatic difference analysis and high performance liquid chromatography (HPLC) were used to analyze the silk samples after light exposure. The results show that the halogen lamp cause the least fading of the dyed yellow silk samples, i.e., lower than the common LED lamp and the fluorescent lamp. The main components of the dyes before and after light aging were analyzed by HPLC, and degradation mechanisms are proposed. |
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