Optimization of Draft and Twist Values for Improvement of Breaking Strength and Elongation Properties of Dual-Core Yarns

Year 2021, Volume: 31 Issue: 3, 220 - 228, 30.09.2021

Sümeyye Üstüntağ

https://doi.org/10.32710/tekstilvekonfeksiyon.903690

Abstract

Dual-core yarns, which are developed to have high elasticity and strength properties at the same time in the yarn structure, have been the focus of interest in yarn sector. Considering the purpose of developing dual-core yarns, it is obvious that the breaking strength and elongation performances expected from these yarns are very important. In this paper, the twist coefficient and PET (Polyethylene terephthalate)/Elastane draft ratios of dual-core yarns were optimized by Taguchi Method for improved of breaking strength and elongation performance. The signal to noise ratio (SNR) was calculated for each output and optimum levels were determined over these ratios. As a result of the study, it was determined that PET draft was the most effective parameter for both outputs. Considering the individual optimum levels determined for each output, common factor-level combinations covering both outputs were determined. Consequently, optimal common combination for the multi-performances was found as 4.2 twist coefficient, 1.15 PET draft ratio and 3.8 elastane ratio.

Keywords

Dual-core yarn, Elastane draft ratio, PET draft ratio, Twist coefficient, Breaking elongation, Breaking strength

Thanks

The author also wishes to express their gratitude to Çalık Denim San. Tic. A.Ş. (Malatya/Turkey) for the sample preparation and the sample testing.

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