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首页> 外文期刊>Journal of natural fibers >Dyeing of silk fabric with natural dyes extracted from cochineal (Dactylopius coccus Costa) and gall oak (Quercus infectoria Olivier)
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Dyeing of silk fabric with natural dyes extracted from cochineal (Dactylopius coccus Costa) and gall oak (Quercus infectoria Olivier)

机译：用从胭脂虫（Dactylopius coccus Costa）和gall栎（栎栎）提取的天然染料对真丝织物进行染色

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Silk fabric samples were mordanted with alum [KAl(SO4)(2).12H(2)O]. Then, the samples were dyed with cochineal (Dactylopius coccus Costa) and gall oak (Quercus infectoria Olivier) shellac extracts. Optimum dyeing parameters were determined by using different concentrations of these natural colorants. All the dyed samples were cut into two equal pieces. One group of the parts were post-mordanted with FeSO4. A reserved-phase high-performance liquid chromatography (RP-HPLC) with the diode-array detection (DAD) method was utilized for the identification of the components of dyes present in the all dyed and post-mordanted samples. The color coordinates and fastness values of washing, perspiration, rubbing, and light were investigated and compared with each other. Using a mixture of these natural dyes enhanced the exhaustion of the dye and good color fastness test results were achieved.
机译：用明矾[KAl（SO4）（2）.12H（2）O]修饰真丝织物样品。然后，将样品用胭脂虫（Dactylopius coccus Costa）和gall栎（Quercus infectoria Olivier）紫胶提取物染色。通过使用不同浓度的这些天然着色剂确定最佳的染色参数。将所有染色的样品切成相等的两块。一组零件用FeSO4进行了后期染色。利用二极管阵列检测（DAD）方法的保留相高效液相色谱（RP-HPLC）鉴定了所有染色和染后样品中存在的染料成分。研究并比较了洗涤，汗渍，摩擦和光照的色坐标和坚牢度值。使用这些天然染料的混合物可增强染料的耗竭性，并获得良好的色牢度测试结果。

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