Application of Chitosan to Impart Antibacterial Property to Annatto Dyed Fabric
Asian Resonance (P: ISSN No. 0976-8602 RNI No.UPENG/2012/42622 VOL.-V, ISSUE-I, January-2016 E: ISSN No. 2349-9443) Abstract Lalit Jajpura Associate Professor, Deptt. of Fashion Technology, BPS Women University, Haryana Sangita Paul Research Scientist, Resil Chemicals pvt. Ltd, Bengaluru Abhilasha Rangi Research Scholar, Deptt. of Fashion Technology, BPS Women University, Haryana The use of eco friendly, biodegradable, natural raw materials has been increased with increase in awareness concerned to sustainability. Annatto is well known plant for its medicinal and coloring properties. In present investigation natural dye annatto has been applied to cotton with and without harda and alum mordant. The effect of mordant and mordanting method (pre, meta and post) on colour co-ordinates and fastness properties has been evaluated. Further the effect of pre and post treatment of chitosan on annatto dyeing, fastness properties of dyed samples, CRA, bending length, te...