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Title: Extraction of rubiadin dye from Swietenia mahagoni and its dyeing characteristics onto silk fabric using metallic mordants
Authors: Haque, M Ahsanul
Khan, G M Arifuzzaman
Razzaque, S M Abdur
Khatun, Khodeza
Chakraborty, Ashok Kumar
Alam, M Shamsul
Keywords: Colour values;Dyeing;Fastness properties;Metallic mordant;Rubiadin dye;Silk fabric;Swietenia mahagoni
Issue Date: Sep-2013
Publisher: NISCAIR-CSIR, India
Abstract: Rubiadin dye extracted from Swietenia mahagoni has been applied onto silk fabric and its dyeing properties are evaluated using metallic mordants MgCl2 and FeSO4 as a function of dye concentration, dyeing temperature, dyeing time and pH. It is observed that the dye exhaustion significantly increases in case of FeSO4 as compared to that in case of MgCl2. Colour shades of dyed silk fabrics are found to be dark dull red, dark bright yellow and too dark red for unmordanted, MgCl2 mordanted and FeSO4 mordanted dyeing respectively. The colour strength of FeSO4 mordanted dyed fabric is found to be 3.19 times higher than unmordanted and 1.11 times higher than MgCl2 mordanted dyed fabrics. Dyed fabrics show good fastness properties. FeSO4 mordanted dyed fabric shows more resistance against light, washing, rubbing and perspiration as compared with the other mordanted and dyed fabrics.
Page(s): 280-284
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Appears in Collections:IJFTR Vol.38(3) [September 2013]

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