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Textile Research Journal
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Effects of Spandex and Yarn Counts on the Properties of Elastic Core-spun Yarns Produced on Murata Vortex Spinner

Hüseyin Gazi Ortlek

Department of Textile Engineering, University of Erciyes, Kayseri, Turkey, ortlekh{at}erciyes.edu.tr

Sukriye Ulku

Department of Textile Engineering, University of Uludag, Bursa, Turkey

The present research focused on the effects of spandex and yarn count parameters on the properties of elastic core-spun vortex yarns. The experiment and test results indicated that the various properties of elastic core-spun vortex yarns were significantly affected by spandex and yarn count. Coarser yarns showed lower unevenness, imperfection and breaking elongation values than finer yarns. Core-spun vortex yarns containing spandex showed lower tenacity and higher breaking elongation values than vortex spun yarns. The liveliness of spandex affected the hairiness properties of core-spun vortex yarns. The number of fibers in the cross section and the liveliness of spandex must be evaluated together during the manufacturing process of elastic core-spun vortex yarns.

Key Words: spandex • core-spun yarn • vortex yarn • MVS yarn • MVS spinning

Textile Research Journal, Vol. 77, No. 6, 432-436 (2007)
DOI: 10.1177/0040517507078022
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