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IJFTR Vol.37(1) [March 2012] >


Title: Dyeing parameters of hydroxynaphthoquinones extracted from Arnebia nobilis Rech.f
Authors: Arora, Anjali
Rastogi, Deepali
Gupta, Deepti
Gulrajani, M L
Keywords: Arnebia Nobilis Rech.f.
Cotton
Dyeing
Hydroxynaphthoquinones
Natural Dye
Nylon
Polyester
Ratanjot
Silk
Issue Date: Mar-2012
Publisher: NISCAIR-CSIR, India
Abstract: Ratanjot (Arnebia nobilis Rech.f) has been used to extract dye for its application on various textile substrates such as cotton, wool, silk, nylon, polyester and acrylic. The sensitivity of the dye extract to pH and temperature is studied. The dye exhibits acute sensitivity to pH in terms of its solubility and colour. It is found to be thermally stable upto 80°C. The dyed polyester shows pink colour, nylon shows blue and all other substrates acquire a purple hue under similar dyeing conditions. This may be due to the reduction of dye from quinonoid form to benzenoid form in all the substrates except in polyester. The dye shows excellent wash, rub and perspiration fastness, however light fastness is found to be poor.
Page(s): 91-97
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Source:IJFTR Vol.37(1) [March 2012]

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