Air-Jet Texturing of Spun Cotton Yarns for Improved Comfort
1992
Srinivasan, J. | Sengupta, A. K. | Kothari, V. K.
We have studied air-jet texturing of spun yarns with different structural configurations. After texturing, the yarns have improved bulk and reduced modulus and flexural rigidity, rendering them more suitable for improved comfort applications. Increased bulk after texturing is accompanied by reduced strength. We have observed that after air-jet texturing, certain structures such as carded ring spun yarns and Siro spun yarns possess a higher level of bulk compared to other structures. Rotor spun yarns have lower bulk after texturing because of their tripartite structure, twist angle variations, and the alternating Z and S helices in their fiber belts. Yarns with reinforced structures like composite spun, wrap spun, and rotor spun are able to withstand higher overfeed and air pressure during texturing.
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