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Title: Optimization of dye transfer inhibition properties of polyvinyl pyrolidine for reactive dye on cotton fabric
Authors: Rathinamoorthy, R
Ayswarriya, N
Kadambari, R
Sreelatha, R
Janani, K G
Keywords: Color difference;Cotton fabric;Dye transfer inhibitor;In-wash dye transfer;Polyvinyl pyrrolidone;Reactive dye;Washing efficiency
Issue Date: Dec-2016
Publisher: NISCAIR-CSIR, India
Abstract: This study focuses on the optimization of the amount of dye transfer inhibition (DTI) agent in the in-wash liquor using response surface methodology. Polyvinyl pyrrolidone, one of the DTI polymers, has been used to analyse its dye transfer inhibition properties on reactive dyed cotton fabric against the commercial detergent. The box and Benkhen experimental design has been adapted to study the optimum concentration of DTI and washing condition for the better dye transfer inhibition. The CIELAB color difference (ΔE) and color strength (K/S) values are studied for the cotton fabric used in the in-wash liquor. The result shows that the higher the DTI polymer concentration the better is the dye transfer inhibition property. The performance of the DTI agent is majorly influenced by the surfactant present in the detergent powder due to its ionic nature. The influence of washing pH on the efficacy of the DTI is observed as minimal. The developed model shows higher values of R2 for the selected parameters, around 0.82 for color difference and 0.91 for color strength. The optimum values of process parameters for the improved performance of DTI polymer with minimum quantity are found to be DTI polymer concentration 0.24 g/l, detergent concentration 2.9 g/l, alkaline pH level in one liter of water, and 3% (owm) of reactive dye. The washing efficiency analysis shows that the stain removal percentage of detergent remains the same in presence of DTI polymer. The water hardness property has a major influence on the DTI performance. The environmental impact of the DTI polymer is found negligible, except the chemical oxygen demand.
Page(s): 432-439
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Appears in Collections:IJFTR Vol.41(4) [December 2016]

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