Dyeing of fabric using biodegradable salts or dyeing without using any salt
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Date
2018
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Publisher
UMT, Lhr
Abstract
The presented research work deals with pad steam method used for the dyeing of cotton fabric using different biodegradable salts i.e. Potassium Acetate, Tri-sodium Citrate. Continuous dyeing method used in this research work and results produced as compared to conventional inorganic salt (sodium sulphate) which is being used in the industry for the dyeing of cotton by reactive dyes. Different test methods (color fastness to laundering, color fastness to water and perspiration, color fastness to light and crocking) were performed to compare the results between conventional salt (sodium sulphate) and biodegradable salts (Potassium Acetate and Tri-sodium Citrate). All the results exhibited that biodegradable salts showed excellent results as compared to inorganic salts, resulted a continuous dyeing of cotton fabric by eco-friendly biodegradable salts.
Nylon/Cotton blended fabrics are mostly dyed by two bath or one bath two step dyeing techniques. This research focuses on dyeing of nylon/cotton blend in one bath dyeing method by using one dye without salt and any other auxiliaries. In this research fabric was treated with 3-chloro-2-hydroxypropyl tri methyl ammonium chloride to modify cotton part of blend to make it positively charged.