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Study on the Change in Characteristics of Ring Yarn during Post Spinning and Yarn Dyeing Operations

Research and development

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Nr DOI: 10.5604/01.3001.0011.7300

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Abstract:

The origin of yarn hairiness has been attributed to the escape of fibres from the twisting action from within the spinning triangle. The protruding fibres entangle themselves due to the rubbing of yarn with parts of the machinery during post spinning operations and form thin places, thick places and neps. In this study, cotton combed yarns were produced by removing 14, 16 and 18% of the noil at the comber. These samples were dyed before and after singeing. The hairiness, imperfections and tenacity of the yarns were measured. The results revealed that an increase in comber noil causes a decrease in imperfections at the ring bobbin stage. The imperfections changed at different stages of post spinning operations and dyeing, and finally the difference was not appreciable, especially when the noil % was extracted beyond a certain level. The tenacity of yarn decreased when the ring bobbin was converted into a cone form, singed and dyed. Removal of a higher level of comber noil or singeing did not make a significant difference at the dyed yarn stage, although there was difference at the ring bobbin and cone stages.

Tags:

yarn abrasion, cone winding, hairiness, ring spinning, ring yarn, singeing, yarn imperfections, yarn tenacity, yarn dyeing.

Citation:

Saravanan AR, Subramanian S. Study on the Change in Characteristics of Ring Yarn during Post Spinning and Yarn Dyeing Operations. FIBRES & TEXTILES in Eastern Europe 2018; 26, 3(129): 35-39. DOI: 10.5604/01.3001.0011.7300

Published in issue no 3 (129) / 2018, pages 35–39.

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