Abstract
Thermal comfort properties of cotton/spandex single jersey knitted fabric Knitted fabrics are characterized by comfort compared to woven fabrics due to their high extensibility and air permeability, but they have lower dimensional stability after repeated washing especially single jersey knitted fabric (SJKF). Therefore, the spandex (Lycra) core-spun yarns are used to maintain the dimensions of knitted fabrics during use and after repeated stresses. In this study, nine elastic SJKF samples were produced at three levels of loop length and spandex percent using yarn linear density 30/1 Ne. For comparison, three 100% cotton knitted samples were produced with the same levels of loop length and yarn count. The dimensional and thermal comfort properties of the long-stretch samples were compared with the short-stretch cotton knitted fabric. The thermal comfort properties (thermal conductivity, resistance, absorptivity, and water vapour permeability), air permeability, and dimensional properties were measured and compared to 100% cotton samples. The results showed that the stitch density, fabric density, fabric thickness, and thermal resistance increased, whereas the air, water vapour permeability, and spirality angle decreased in cotton/spandex samples.
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