Physical and Thermal Comfort Properties of Viscose Fabrics made from Vortex and Ring Spun Yarns

What is it about?

Viscose fiber is frequently preferred for various types of inner and outer knitwear products for its comfort and visual characteristics. In this study, the physical and thermal comfort properties of viscose fabrics made from ring and vortex yarns have been studied to explore the impact of spinning process on fabric properties. 100% viscose fibers were spun into yarns by ring and vortex spinning and the developed yarns were converted to single jersey fabrics. The results indicated that fabrics made from vortex spun yarns had better pilling resistance over that of those from ring spun yarns. There was no significant difference between bursting strength values of vortex and ring spun yarn fabrics. Fabrics made from ring yarn had better dimensional stability compared to fabrics made from vortex yarn. The air permeability and water vapour permeability of vortex yarn fabrics were higher than ring spun yarn fabrics. The vortex yarn fabrics had better thermal comfort properties compared to ring yarn fabrics.

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Why is it important?

In this work the influence of spinning process on physical and thermal comfort characteristics of 100% viscose fabrics was studied. It is observed that there is no significant difference between the bursting strength of fabrics made from ring and vortex spun yarns. Lower hairiness of vortex yarns was reflected as lower pilling tendency, and therefore better fabric appearance. Vortex yarn fabric stretches in width wise, and has higher shrinkage in lengthwise compared to ring yarn fabric. The air permeability and water vapour permeability of vortex yarn fabrics have been found higher in comparison with the fabrics from ring yarns. The thermal resistance and water vapour resistance test results indicate that vortex yarn fabrics have better thermal comfort compared to ring yarn fabrics. In this context, use of vortex yarns, particularly when produced from viscose rayon, is proposed as feasible for new value added products where comfort and appearance are priorities.