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Dünyada gündelik kullanımda en yüksek talep gören denim kumaşlarda kullanım esnasında gerilme kuvvetinin etkisi altında esneme meydana gelmektedir. Bu gerilme kuvveti neticesinde kumaşta kalıcı deformasyon meydana gelmektedir. Bu kalıcı deformasyon zaman içerisinde kumaş potlanmaya sebep olarak kumaşın kullanım ömrünü olumsuz yönde etkilemektedir. Bu çalışma kapsamında, özde yüksek elastikiyete sahip polyetilen terephthalat/polytrimetil terephthalat (PET/PTT) bikomponent filament+spandex, PET/PTT bikomponent filament ve spandex kullanılarak tek ve çift özlü iplikler üretilmiştir. Elde edilen ipliklerle birlikte çıplak PET/PTT bikomponent filament kullanılarak kumaş içerisinde farklı atkı düzeninde toplam 18 tip denim kumaş üretimi gerçekleştirilmiştir. Denim kumaşların tek-yönlü elastikiyet ve kalıcı deformasyon özellikleri (2 saat bekleme sonrası) belirlenmiştir. Test sonuçları SPSS paket programı kullanılarak %95 güven aralığında varyans analizi ile istatistiksel olarak değerlendirilmiştir. Sonuç olarak, atkı iplik tipinin ve kumaş içerisinde atkı ipliklerinin düzeninin elastikiyet ve kalıcı deformasyon özelliği üzerinde istatistiksel olarak anlamlı bir etkisi olduğu belirlenmiştir.
In the world, the highest demand in daily use in denim tissues during use occurs under the influence of the stretching force. As a result of this stretching force, permanent deformation occurs in the fabric. This permanent deformation has a negative effect on the duration of use of the fabric as a result of the fabric's discharge over time. In the framework of this study, single and double extract lines were produced using high elasticity polyethylene/polytrimethyl thermostat (PET/PTT) bikomponent filament+spandex, PET/PTT bikomponent filament and spandex. In addition to the obtained wire, the use of naked PET/PTT bikomponent filament in the fabric has made a total of 18 types of denim fabric production in different shapes. The one-way elasticity and lasting deformation characteristics of denim tissues (after 2 hours of waiting) are determined. The test results were statistically evaluated using the SPSS package program with a 95% confidence range of variance analysis. As a result, it has been determined that the type of thinning wire and the layout of thinning wire within the fabric has a statistically meaningful impact on the elasticity and lasting deformation characteristics.
Stretching occurs under the influence of tensile force during use in denim fabrics, which is the highest demand in daily use in the world. As a result of this tensile force, residual deformation of the fabric occurs. This residual deformation causes fabric growth over time, adversely affecting the service life of the fabric. In this study, single and double (dual) core spun yarns were produced by using high elasticity polyethylene terephthalate/polytrimethylene terephthalate (PET/PTT) bicomponent filament + Spandex, PET/PTT bicomponent filament and Spandex. A total of 18 types of denim fabric in different weft yarn layout were produced by using uncovered PET/PTT bicomponent filament with the yarns obtained. Uni-axial elasticity and residual deformation properties of denim fabrics (after 2 hours of waiting) were determined. Test results were evaluated statistically by using variance analysis at 95% confidence interval by means of SPSS package program. As a result, it was determined that the weft yarn type and the layout of weft yarns in the fabric had a statistically significant effect on elasticity and residual deformation property of fabric.
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