Abstract
AbstractDenim garment was treated with cellulase enzyme by varying the process parameters, namely concentration of enzyme, washing temperature and time to develop novel design and fashion. The effect of process parameters on the physical and mechanical properties of cotton denim garment was investigated and denim fabric properties like tensile strength, elongation at break, weight loss, stiffness, water absorption, shrinkage, color fading and morphological values by SEM were discussed. To obtain the desired fashion effect in terms of color fading, comfort ability in terms of reducing the stiffness of denim and high wear performance in terms of longevity/minimum tensile strength losses of denim, indigo dyed denim garment (trousers, 100% cotton with twill weave 3/1 construction) had been chosen and processed with the enzyme concentration of 0.5% to 3.5%, treatment temperature from 40°C to 70°C and treatment time from 20 min to 60 min. The process parameters were optimized and the optimized washing condition for the best value is 2% enzyme concentration at 55°C for 40 min.
Highlights
Denim garment (Jeans) washing is one of the most widely used finishing treatments that have vast usage, due to its effects on appearance and comfort
It attacked on projecting fibers on surface, attacked on yarn portion, hydrolyzed them slowly and upon time penetrated inside the fabric
Similar results for tensile strength have previously been obtained with undyed cotton cellulose (Heikinheimo et al 1998; Kleman-Leyer et al 1996)
Summary
Denim garment (Jeans) washing is one of the most widely used finishing treatments that have vast usage, due to its effects on appearance and comfort. The denim garment is uncomfortable to wear, due to its weaving and dyeing effects. It essentially needs a finishing treatment to make it softer, more supple and smooth which enhance wearer’s comfort. Popularity of garment washing especially of denim garment in the world market has been increasing day by day (Islam 2010). To keep up with the quickly changing of demands of customers, technologists are experimenting with new design and fashions by using different washing methods for denim garments. Enzymatic methods are the most widely used method in industry (Buchert & Heikinheimo 1998; Duran & Mercela 2000; Kochavi et al 1990; Tyndall 1990)
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