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- Title
Twist-de-twist Method for Development of Soft Cotton Yarn.
- Authors
Banale, Ayano Koyrita; Chattopadhyay, R.
- Abstract
In textile products, soft feel is an important characteristic in many end uses. This can be achieved by development of suitable yarn for knitting or chemical treatment at fabric stage. In this paper a method of producing soft yarn using twisting and de-twisting technique is investigated. Two types of cotton yarns, nominal and modified, are produced with same twist and count. The modified yarn was first produced at higher twist level. The excess twist was removed by de-twisting the yarn to nominal twist level. Yarn diameter, yarn compressibility, yarn stiffness, and yarn strength were measured and compared. 54.4% twist de-twist modification has shown 23.8 % increase in yarn diameter, 45.5 % decrease in bending rigidity and 47.1% improvement in yarn compressibility for 59 tex yarn. While 58.4% twist de-twist modification has shown 45.6% increase in yarn diameter, 35.0% decrease in bending rigidity and 15.0% improvement in yarn compressibility for 20 tex yarn. The experimental results indicate that the twist and de-twist process increases the yarn diameter; improves yarn softness and flexural rigidity without affecting the yarn strength. The production of modified yarn takes more energy and operation costs than the nominal yarn. However, the increase in yarn thickness increases fabric area and hence reduces cost of the yarn per unit area of the fabric.
- Subjects
COTTON machinery; YARN; MALVACEAE; WOOL textiles; WOOL
- Publication
Journal of Textile & Apparel Technology & Management (JTATM), 2014, Vol 8, Issue 4, p1
- ISSN
1533-0915
- Publication type
Article