Physical and comfort properties of denim fabrics prepared with different yarns in weft direction
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Date
2015-07
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G.B. Pant University of Agriculture and Technology, Pantnagar-263145 (Uttarakhand)
Abstract
Denim finds place in the wardrobe of almost all people irrespective of age, gender and caste. Comfort is an important criterion while selecting the clothing, and nowadays consumers are ready to pay for the apparels which are more comfortable. Keeping this point in mind, the present investigation was carried out with the objective to evaluate the physical and comfort properties of woven denim fabrics manufactured with different yarns in weft direction. Different yarns namely cotton single, 2 ply of cotton, eri silk, worsted and bamboo yarn were selected for weaving. The yarns used for weaving were assessed for their physical properties. Brilliant Blue RCL Ultra commercial vat dye with of 2.5% concentration was selected for dyeing warp yarn. Dyed cotton yarn was evaluated for colourfastness to light, washing, crocking and perspiration. Weaving of denim fabric was carried out at NITRA Ghaziabad on Rapier loom. In weaving two types of twill weave were employed for construction of fabri s viz., 2/1 and 3/1. In warp direction single dyed cotton yarn was used for all fabrics whereas, in weft direction two ply yarns were used. In total 10 denim fabrics were prepared with five samples of each 2/1 and 3/1 twill weave with cotton yarn x single cotton yarn, cotton yarn x 2 ply cotton yarn, cotton yarn x 2 ply eri silk yarn, cotton yarn x 2 ply worsted yarn and cotton yarn x 2 ply bamboo yarn. The physical (thickness, weight, stiffness, crease recovery, tensile strength and abrasion resistance) and comfort (thermal conductivity, air permeability and moisture transport) properties of each woven denim fabrics were assessed and compared with each other statistically using ANOVA. Eri silk yarn was more uneven than rest of the yarns as it was hand spun. Dyed cotton yarn had excellent fastness to light, washing, acid and alkaline perspiration. Tests carried out for comfort properties suggest that denim fabric manufactured with cotton x 2 ply bamboo yarn was more comfortable among the different denim fabrics prepared. Cotton x single cotton denim fabric was better from strength point of view. There was significant difference between the different fabric samples, weaves and their interaction for various physical and comfort properties.
Description
Thesis-PhD
Keywords
physical properties, denim, textile fabrics, textile yarns, textile industry, weaving, weft, clothing, consumer satisfaction, consumers