Indian Journal of Fibre & Textile Research

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Influence of sewing thread fineness and seam type on thermal properties of seams


Affiliations
1 VIT Fashion Institute of Technology, Vellore Institute of Technology, Chennai 600 127, India
2 Department of Handloom and Textile Technology, Indian Institute of Handloom Technology, Nadia 741 402, India
3 Department of Textile Technology, Kumaraguru College of Technology, Coimbatore 641 049, India

This research is aimed at studying the impact of micro-denier polyester filament on seam thermal comfort properties. Sewing threads of 150 deniers have been proposed from textured micro˗denier polyester filaments with five different filament numbers (3.94 dpf, 3.1 dpf, 1.38 dpf, 1.04 dpf, and 0.52 dpf), calculated based on the number of the filament within the specified fibre diameter. The stitch density (10 stitches per inch) has been used. It is observed that the air permeability and water vapour permeability increase with an increase in sewing thread filament fineness on the seam line. The thermal properties of the seamed fabric are highly influenced by the sewing thread filament fineness. Micro filaments of the sewing thread improve the thermal conductivity of the seams. Air permeability and moisture vapor transmission rate increase as the fineness decreases in the micro-denier range. All the results are statistically analyzed using ANOVA at 0.05 significance
levels. The statistically analyzed results show that the sewing thread filament fineness is significantly affecting the thermal properties of the seamed fabric.

Keywords

Micro-denier filament, Polyester filament, Seam comfort, Sewing thread fineness, Thermal comfort
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  • Influence of sewing thread fineness and seam type on thermal properties of seams

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Authors

M Maanvizhi
VIT Fashion Institute of Technology, Vellore Institute of Technology, Chennai 600 127, India
C Prakash
Department of Handloom and Textile Technology, Indian Institute of Handloom Technology, Nadia 741 402, India
V Ramesh Babu
Department of Textile Technology, Kumaraguru College of Technology, Coimbatore 641 049, India

Abstract


This research is aimed at studying the impact of micro-denier polyester filament on seam thermal comfort properties. Sewing threads of 150 deniers have been proposed from textured micro˗denier polyester filaments with five different filament numbers (3.94 dpf, 3.1 dpf, 1.38 dpf, 1.04 dpf, and 0.52 dpf), calculated based on the number of the filament within the specified fibre diameter. The stitch density (10 stitches per inch) has been used. It is observed that the air permeability and water vapour permeability increase with an increase in sewing thread filament fineness on the seam line. The thermal properties of the seamed fabric are highly influenced by the sewing thread filament fineness. Micro filaments of the sewing thread improve the thermal conductivity of the seams. Air permeability and moisture vapor transmission rate increase as the fineness decreases in the micro-denier range. All the results are statistically analyzed using ANOVA at 0.05 significance
levels. The statistically analyzed results show that the sewing thread filament fineness is significantly affecting the thermal properties of the seamed fabric.

Keywords


Micro-denier filament, Polyester filament, Seam comfort, Sewing thread fineness, Thermal comfort