Özet:

Spinning is a major part of the textile manufacturing process where among all these are ring spinning and open-end rotor spinning which are widely used in production of textiles. In this study, cotton (CO) and polyester (PES) fibers were used with various blends to produce both ring and open-end rotor spun yarns. These 3 different blends (33/67% PES/CO, 50/50 % PES/CO and 67/33 PES/ CO) of Ne 30/1 yarns were later knitted on a plain knitting machine. The physical properties of these produced spun yarns were studied i.e. evenness, hairiness, breaking strength and elongation with additionally pilling properties of the produced fabrics.  It was observed that as the blend ratio of the PES fiber increases within the yarn structure the both breaking strength and elongation gets higher on the ring-spun and open-end rotor spun yarns. Among all these produced blended spun yarns, the highest breaking strength and elongation is 21.79 cN/tex and 8.96% respectively. Evenness test results showed that ring spun yarns presented better values than the open-end rotor spun yarns; the lowest %CV %90 was obtained on the %67/33 PES/CO ring spun yarns. Both imperfection values and hairiness gets better as the PES ratio increases within the both yarn types. On the other hand, better pilling resistance was obtained on the OE-rotor spun than the ring spun yarns. The pilling values also indicate that as the PES fiber ratio increases within the open-end rotor spun yarns it shows better pilling (pilling scale 4-5).

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