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The Effects of Sewing Thread Materials and Sewing Methods on Mechanical Properties of Knitwear  

Kang, Sook-Nyeo (Dept. of Clothing, Wonju National College)
Kwen, Jin (Korea Institute of Industrial Technology)
Publication Information
Journal of the Korean Society of Costume / v.57, no.2, 2007 , pp. 1-10 More about this Journal
Abstract
This study aims at the improvement of sewing function through understandings of dynamic property about the sewing methods and the thread material selection in knitwear. The tensile strength and shear of KES-FB and the Instron were measured for the analysis of the mechanical properties. The knit cloth was structured In the plain stitch, $1\times1$ rib stitch and $2\times1$ rib stitch with the combination of wool and cotton. With regard to the sewing method, intralooping and interlacing were applied. For thread materials, polyester, cotton, wool and silk were used. Since silk has the lowest extension and similar values regardless of its construction in intralooping, it is available knit apparel with uniform elastic recoverv. It also has small shearing resistance. It can be used in apparel which needs big mobility, but it causes rutting problem. Therefore, it is suitable to use intralooping. When the same sewing yarn and textile are use, it can lower shearing resistance and extension in intralooping, Since wool needs a lot of extension energy and it can be cut, intralooping is more suitable than interlacing in sewing of wool. In interlacing using polyester, extension and shearing resistance are high. Therefore, it is suitable for knit sewing with high massing. Silk is not suitable for interlacing since it can be rut. Even though knit materials are different, the RT values of polyester and cotton are similar in same construction. Therefore, they can be substituted each other considering resilience after sewing.
Keywords
sewing technique; intralooping; interlacing; chain stitches; lock stitches;
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Times Cited By KSCI : 1  (Citation Analysis)
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