Development of Denim Products in Seamless Form

It is aimed to develop innovative techniques as an alternative to sewing in denim fabrics, to design seamless garments by applying these techniques and to adapt them to mass production. Seamless products, finishing costs applied to sewing threads and elimination of seam deformations (lycra slips, punctures, warp cuts, etc.); It offers many advantages both at the production stage and for the end users, such as labor costs, the number of machines in the production scheme, energy costs, reduction of yarn and fabric stocks. In addition, by using this method, features such as increasing the aesthetic value, comfort and body movement freedom of the clothes, and adding softness to the clothes can be provided. Within the scope of this study, recipes were prepared with different adhesives and chemicals and seamless denim products were developed by using hot press, ironing, teflon press, ultrasonic sewing and hot air bonding techniques. Strength values ​​at seam points were compared with conventional seam strengths. In addition, bending stiffness, staining and thermal resistance tests were applied. The bonding recipe and process that offers the highest seam strength and heat resistance performance and does not stain was obtained. Denim products produced in accordance with the obtained recipe and recommended process are in daily use and maintenance conditions (1 cycle: 5 days of wearing in a week, 1 time washing using commercial detergent and fabric softener and laying dry) It has been tried on 25 users for 6 months (26 cycles) and it has been seen that there is no performance loss compared to the unused denim product.