期刊
JOURNAL OF NATURAL FIBERS
卷 12, 期 5, 页码 494-504出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15440478.2014.964445
关键词
querecetin; mordanting; absorbed dose; spectraflash; acacia bark; dyeing
For the present study Quercetin has been extracted and applied onto the gamma irradiated cotton. Fabrics and powder have been exposed to different absorbed doses and dyeing has been performed at various parameters. It is observed that 20 kGy is the optimum absorbed dose for surface modification of cotton. It has been also found that good colour strength has been obtained at 60 degrees C by dyeing optimal fabric for 40 min using dye bath of pH6 keeping liquor concentration of 1:30 and electrolyte concentration of 1 g. 7% of tannic acid as pre-mordant and 5% of Copper sulphate as post mordant was optimum conditions to get good fastness properties according to ISO standard methods. Quercetin from acacia bark under ionizing radiation can safely be used as possible substitute to reddish-brown synthetic dyes.
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