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首页> 外文期刊>The Journal of the Textile Institute >Ecological dyeing of silk fabric with lac dye by using padding techniques
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Ecological dyeing of silk fabric with lac dye by using padding techniques

机译：通过浸染技术用紫胶染料对丝绸织物进行生态染色

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摘要

This research focuses on silk fabrics exhibiting different colour values and fastness properties. The samples were prepared by dyeing with lac as a natural colourant. Two padding techniques were used in the process, namely, the pad-batch and pad-dry techniques, under different conditions. Aluminium potassium sulphate, ferrous sulphate, copper sulphate and stannous chloride were used as mordants. The effects of differing dye concentrations added to the silk fabrics using a pre- and post-mordant method were studied and recorded. The colour fastness to washing, light, rubbing, water and perspiration of the dyed samples was performed according to the present ISO standard. Silk fabric dyed without mordant showed a pink shade, while those samples mordanted with stannous chloride and aluminium potassium sulphate displayed noticeably brighter red coloured shades. With the additional use of copper sulphate, the colour shade produced was violet, while darker grey shades were obtained by adding ferrous sulphate mordant. The test results regarding fastness properties ranged from fair to very good, while wash fastness ranged from very poor to poor.
机译：这项研究的重点是表现出不同颜色值和牢度特性的真丝织物。通过用紫胶作为天然着色剂染色来制备样品。在此过程中使用了两种填充技术，即在不同条件下的填充分批和填充干燥技术。硫酸铝钾，硫酸亚铁，硫酸铜和氯化亚锡用作媒染剂。研究并记录了使用前和后媒染方法添加到真丝织物上的不同染料浓度的影响。根据本ISO标准进行染色样品的耐洗，耐光，耐摩擦，耐水和耐汗渍色牢度。未染媒染剂的丝绸织物显示出粉红色的阴影，而用氯化亚锡和硫酸铝钾染成丝的样品则显示出明显更亮的红色阴影。额外使用硫酸铜，产生的色泽为紫色，而通过添加硫酸亚铁媒染剂获得较深的灰色调。关于牢度性能的测试结果范围从中等到非常好，而耐洗牢度范围从非常差到差。

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