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Study of Specific Conditions to Control the Mechanical Behaviour of Dorlastan® Core Spun Yarn

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Abstract:

The mechanical properties of yarns play a phenomenal role in the quality of the end product. Studying these properties requires a specific test following international standards. As for elastic core spun yarn, knowledge of the mechanical behaviour is not obvious due to the absence of the specific condition. The aim of this study was to determine appropriate conditions to control the tenacity, elongation at break and elastic recovery of Dorlastan® core spun yarns of different linear densities (counts) (100, 50, 33.33 & 25 tex) and various elastane drafts. The results obtained show that the initial tension necessary to straighten elastic core spun yarns and eliminate their curling increases while the Dorlastan draft increases and, respectively, the Dorlastan ratios decreases. Furthermore we noted a decrease in tenacity and breaking elongation with a decrease in the dorlastan draft and, respectively, with an increase in Dorlastan ratios. On the other hand, we observed the decreasing trend of elastic recovery while the Dorlastan draft increases.

Tags:

Dorlastan, initial tension, draft, ratio, mechanical behaviour.

Citation:

Helali H, Babay Dhouib A, Msahli S, Cheikhrouhou M. Study of Specific Conditions to Control the Mechanical Behaviour of Dorlastan ® Core Spun Yarn. FIBRES & TEXTILES in Eastern Europe 2013; 21, 3(99): 55-60.

Published in issue no 3 (99) / 2013, pages 55–60.

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