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Umut Kivanc Sahin and Senem Kursun Bahadir


Department of Textile Engineering, Istanbul Technical University Inonu C. No. 65 34437, Gumussuyu Beyoglu, Istanbul 34437, Turkey


The aim of this work was to investigate the electrical resistance change of electro-textiles manufactured using cotton fabrics with stainless steel and silver plated PA yarns incorporation after being subjected to home laundering, i.e. detergent washing and silicone softening. Electrical resistances of conductive yarns inside the fabric structure were compared and discussed statistically before and after washing and softener application. Greatest changes in electrical resistances were observed with samples including silver plated PA yarns. After five washing cycles with detergent, silicone softening agent is removed from yarns by washing, and thus conductivity increases. Further washing of e-textiles with detergent for five more cycles causes decrease in conductivity, because of chemical effects of detergent and mechanical effects of washing process such as abrasion due to friction. Detergent which has negative reactive sites bonds with metal ions reduces conductivity.


Conductivity, electrical resistance, signal transmission lines, electro-textiles, conductive yarn, home laundering, detergent, silicone softening agent.

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