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Title: Influence of UV radiations on the extraction and dyeing of cotton fabric with Curcuma longa L
Authors: Adeel, Shahid
Bhatti, Ijaz A
Kausar, Afifah
Osman, Eman
Keywords: Cotton;Curcuma Longa L;Mordanting;UV Radiation;Spectraflash SF650
Issue Date: Mar-2012
Publisher: NISCAIR-CSIR, India
Abstract: The methanolic extract of irradiated Curcuma longa L powder has been prepared and used to study the dyeing conditions and characteristics of dyed cotton fabrics. The dyeing parameters such as time, material-to-liquid ratio and salt concentration have been optimized. To improve the colour fastness, pre- and post-mordanting has been carried out using copper , iron and alum mordants. The dyed samples are subjected to CIE Lab system using spectraflash SF-650 for the evaluation of colour strength and L*, a* and b* values. Finally, ISO standard methods are employed to study the colour fastness of dyed and mordanted fabrics. It is observed that the UV-radiation not only enhances the colour strength of dye on cotton fabric but also improves the colour fastness properties of irradiated cotton using methanol solubilized extracts of pre-irradiated Curcuma longa powder.
Page(s): 87-90
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Appears in Collections:IJFTR Vol.37(1) [March 2012]

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