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ABSTRACT
Elastic performance coefficient (EPC) and recovery behavior of denim fabrics prepared with cotton/lycra core spun stretch yarns have been presented in this article. The denim fabrics are woven as broken twill weaves in an air-jet weaving machine by the insertion of core spun yarns (lycra filament in core, cotton fiber on sheath) as weft and using 100% cotton yarns as warp. The effect of linear density and stretch percentage of the core spun weft yarns on tensile and recovery behavior of denim fabric have been investigated by employing full factorial design of experiments. It has been observed that the tensile strength and EPC of fabric increase with decrease in linear density and stretch percentage of the core spun stretch yarn. The immediate elastic recovery and delayed elastic recovery increase with decrease in linear density and stretch percentage of the yarns.
摘要
介绍了用棉/莱卡包芯长丝生产牛仔布的弹性性能系数(EPC)和回复性能.在喷气织造机中，牛仔布织物通过插入芯纱(芯部莱卡长丝、鞘部棉纤维)作为纬纱，并使用100%的棉纱作为经纱，织成破碎斜纹组织.采用全析因实验设计方法，研究了包芯纬纱线密度和伸长率对牛仔布拉伸回复性能的影响.结果表明，随着包芯纱线密度及伸长率的降低，织物的拉伸强度和弹性能系数（EPC）增加.随着纱线线密度及伸长率的降低，即刻弹性回复和延迟弹性回复增加.
Additional information
Notes on contributors
Payal Bansal
Ms Payal Bansal is PhD research scholar in the Department of Textile Technology, at National Institute of Technology, Jalandhar, India. She Pursued MTech in Textile Technology and Management from the same institute and BTech in Textile Technology from JNGEC, Sundernagar, India.
Subhankar Maity
Dr Subhankar Maity is appointed as Assistant Professor in the Department of Textile Technology in Uttar Pradesh Textile Technology Institute, Kanpur, India. He pursued PhD in Textile Technology from Dr B R Ambedkar National Institute of Technology, Jalandhar, India, and MTech in Textile Engineering from IIT Delhi, India. His main research focuses on electro-conductive textiles, heat transfer behavior of fibrous/polymeric materials, hybrid and functional textiles. He has published more than 40 research articles in various refereed journals of materials, textiles and polymer fields.
Sujit Kumar Sinha
Dr Sujit Kumar Sinhais a Professor in the Department of Textile Technology at National Institute of Technology, Jalandhar, India. He is having a teaching experience of around 28 years. Besides teaching in the undergraduate and postgraduate level his primary research area focuses on the short and long staple yarn production and its structural mechanics, comfort characteristics of fabrics, nonwoven, carpet. He has guided more than 20 MTech scholars and 3 PhD scholars. Currently, he is guiding 4 PhD scholars covering different aspects of Textiles. He has more than 40 research publications in different refereed journals.