Innovative techniques for developing hybrid yarns using different core insertion methods: A comparative study

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Elastane fibers, in particular, have gained an important share in the production of elastic yarn. This research aims to evaluate innovative methods for developing hybrid yarns (dual core) by integrating core elements in various configurations to show the influence of different core-inserting techniques on yarn characteristics. The research developed a modified pulley (W-grooved roller) to insert core elements side by side along with the existing method during the yarn manufacturing process. Ne 16/1 yarn (dual core) was manufactured using five different core inserting techniques with cotton roving, polybutylene terephthalate (PBT), and elastane (Lycra®). The characteristics of the produced yarns were analyzed using standard testing methods. Statistical analysis was performed to determine significant variations in yarn properties using one-way MANOVA and the MOORA method was employed to determine the most suitable yarn configuration. The results indicate that yarn manufactured by inserting core components side by side significantly enhances the expected characteristics of hybrid yarns. Yarns manufactured by inserting core components side by side show higher strength, elongation, and lower hairiness values. This research introduces a novel technique for producing dual-core yarns by side-by-side insertion of core elements contributing to the development of innovative hybrid yarns.