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Dyeing of silk with flower extract of Spathodea campanulata

机译:桔梗花提取物对蚕丝的染色

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Degummed silk fabric was dyed with the flower extract of Spathodea campanulata along with varying concentrations of different mordants. Colour values with respect to K/S and CIE L~* a~* b~* were influenced by the mordants and the mordanting techniques. Pre-mordanting was found to be better in the case of stannous chloride whereas meta-mordanting was found better in case of potassium aluminium sulphate and tannic acid with respect to colour values. The unmordanted dyed samples exhibited good fastness to washing, rubbing and perspiration, barring light. A very slight improvement in fastness to light was recorded with the use of tannic acid as mordant.
机译:将脱胶的丝织物用桔梗(Spathodea campanulata)的花提取物以及不同浓度的不同媒染剂染色。关于K / S和CIE L〜a〜* b〜*的颜色值受媒染剂和媒染技术的影响。就颜色值而言,在氯化亚锡的情况下,预媒染效果更好,而在硫酸铝铝和单宁酸的情况下,媒变色效果更好。未经染色的染色样品表现出良好的耐洗,耐摩擦和耐汗渍牢度,并禁止光照。使用单宁酸作为媒染剂,记录到的耐光性有很小的提高。

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