Abstract

In this research work, we have studied the dyeing behaviour of fabrics made from ring, rotor and MVS yarns. The discrete structure of respective yarns made by different spinning techniques have significant effect on dyeing behaviour of fabrics. The fabrics were investigated for K/S values of polyester dyed, cotton dyed and polyester+cotton dyed fabrics and their colour fastness to crocking. The analysis of dyeing behaviour revealed that yarn manufacturing technique has substantial effect on the colour strength of their respective fabrics. Due to unique distribution of fibers within the crosssection of yarn, the cotton dyed and polyester+cotton dyed fabrics made from MVS yarns exhibited better K/S values as compared to other fabrics. The fabrics also exhibited a difference in colour fastness to crocking in dry and wet form. The color fastness of fabrics to crocking in dry form were found higher than in wet form. The polyester dyed and polyester+cotton dyed fabrics made from MVS yarns have shown higher color fastness to crocking.

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