Double face fabrics are used to ensure better clothing comfort in sports and active wears. High moisture transfer properties of these fabrics affect their comfort properties and make them more functional. In this study, in order to investigate the moisture management properties of the double face fabrics, a special knitting structure, which has different or same yarn combinations in the face and back sides, was used. The selected yarns were cotton—cotton, cotton—polypropylene, polypropylene—cotton and polypropylene—polypropylene for face and back sides respectively. Moisture management properties and the changes of the thermal absorptivity values, which determine the warm-cool feeling, of the produced fabrics were determined and statistically analyzed. All measurements were done both in dry and wet conditions. The results indicate that, the polypropylene (inner)-cotton (outer) fabric has better moisture management property, provides high levels of comfort and can be preferred for summer, active and sports wear.
In this study, the dimensional and physical properties of cotton/spandex single jersey fabrics are investigated and the results compared with fabrics knitted from otton alone. The loop length and amount of spandex are usted to determine the dimensions and properties of the knits. It is apparent that as the amount of spandex increases loop length values remain nearly the same and the course and wale spacing values decrease. Further more, because spandex-containing fabrics tend to tighter, the weight and thickness of the fabrics are higher but air permeability, pilling grade, and spirality are lower.
In this study, thermal properties of different cotton and Angora rabbit fiber blended fabrics were investigated. It is known that cotton fiber has good comfort properties and Angora rabbit fiber is a speciality fur fiber which possesses good softness, whiteness and warmth. The aim of this study was to combine the excellent characteristics of these fibers to produce knitted fabrics with better comfort properties. First, short staple yarns were spun from cotton and Angora rabbit fibers with different blend ratios in two different spinning systems. Then, 1 × 1 rib knitted fabrics were produced with these yarns and the thermal comfort parameters of fabrics were measured on Alambeta and Permetest devices. Finally, according to end use, the optimum ratios were analyzed. The results indicated that the increase of Angora fiber ratio in the fabric and the spinning system affected the thermal comfort properties. The statistical analyses showed that only the fabrics including 25 % of rabbit fiber generated a significant difference on these parameters. Besides, the fabrics knitted from ring yarns had a warmer feeling at first touch and provided more thermal insulation but less water vapor permeability than the fabrics knitted from open-end yarns.
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