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首页> 外文期刊>The Journal of the Textile Institute >Eco-friendly reactive dyeing of modified silk fabrics using corona discharge and chitosan pre-treatment
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Eco-friendly reactive dyeing of modified silk fabrics using corona discharge and chitosan pre-treatment

机译：电晕放电和壳聚糖预处理对真丝织物进行环保的活性染色

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摘要

The aim of the current research is to study the improvement of dyeability of silk fabrics using surface modification performed by corona discharge and chitosan pre-treatment. Effects of some operational variables such as corona treatment time, concentration of chitosan, time, and temperature on grafting process were examined through dyeability of silk fabrics using two commercial reactive dyes. Fourier transform infra-red and scanning electron microscopy spectroscopy data revealed the surface modification of the silk by corona discharge and grafting of chitosan onto the silk fabric. Optimal grafting values obtained were corona treatment time 30min, concentration of chitosan 18% owf, time 2h and temperature 60 degrees C. It was found that silk pretreatment with corona discharge and chitosan improved dyeability from 1.84 to 4.58 for RY and from 3.05 to 6.40 for RB. The results indicated that the color fastness and tensile strength of silk fabrics were not significantly affected irrespective of the grafting with corona and chitosan pre-treatment. The results of this study provide the potential making of eco-friendly modification and reactive dyeing of textile fibers using corona discharge and chitosan pre-treatment.
机译：当前研究的目的是研究通过电晕放电和壳聚糖预处理进行的表面改性来改善真丝织物的可染性。通过使用两种市售活性染料对真丝织物进行染色，研究了电晕处理时间，壳聚糖浓度，时间和温度等操作变量对接枝过程的影响。傅立叶变换红外和扫描电子显微镜光谱数据表明，通过电晕放电和将脱乙酰壳多糖接枝到丝织物上可以对丝进行表面改性。获得的最佳接枝值为电晕处理时间30min，壳聚糖浓度为18％owf，时间2h和温度为60摄氏度。发现采用电晕放电和壳聚糖进行的丝绸预处理将RY的可染性从1.84提高到4.58，将RY的可染性从3.05提高到6.40。 RB。结果表明，无论采用电晕和壳聚糖预处理接枝，丝织物的色牢度和拉伸强度均未受到明显影响。这项研究的结果为使用电晕放电和壳聚糖预处理对纺织品纤维进行生态友好的改性和活性染色提供了可能。

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