Surface Modification of Cotton Using Slaughterhouse Wastes
Abstract
Cotton dyeing using reactive dyes is one of the major water polluters, due to large amounts of dye and salt discharged in the water effluent. Recent adverse climate change and its associated effect to human life have led to search for more sustainable industrial production. Cationization of cotton to improve its affinity for reactive dye has been earmarked as a major solution for dyeing of cotton with no or less salt. Synthetic cationizing agents of ammonium salt have already been commercialized. However, in nature we have proteinous products which are rich in amino and ammonium salts which can be harnessed to be used as cationizing agent for cotton. This research paper reports the use of cattle hoofs and horns to cationize cotton so as to improve cotton affinity to the reactive dye. The cationization action of the hoof and horn extract on cotton was confirmed by dyeing the pretreated fabric without salt and comparing it with conventionally dyed sample. Using UV-VIS spectrophotometer better absorption (62.5% and 50% for dye bath exhaustion percentage for cationized and untreated respectively) were recorded for the cationized fabric, while K/S values of treated samples were similar to conventional sample.References
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