Abstract
This experiment presents a study carried out on the electric charge passing textiles for heat production in compression weft-knitted composite fabrics used for medical purposes. The aim was to flourish compression support of knitted structure with integrated highly sensitive metal (silver) coated polyamide multifilament yarns and to evaluate its heat origination attributes after stretching in different levels as well as changes of the temperature during the time. A flat double needle-bed knitting machine was utilized to fabricate the selected specimens together with elastomeric inlay-yarn incorporated into the structure for compression generation and silver coated polyamide yarn laid as ground yarn in a plated structure for heat generation. Six different variants depending on the metal coated yarn amount used and the fabric structure along with two types of the conductive yarn linear density were fabricated for this research work. Scanning electron microscope (SEM) images were preoccupied to show the morphology of conductive yarn and thermal pictures were captured to study the evenness of the heat over the surface of composite fabrics depending on conductive yarn distribution in the pattern repeat. The temperature profile of fabricated composite fabrics and comparison of the heat generation by specimens after stretching in different levels was studied
Highlights
Smart clothing made with conductive materials is required to pass electrical current through the fabric [1]
Orthopaedic heated supports should be kept at a standard temperature of at least 40 ◦C to ensure that heating has a good effect on the healing process
The unidirectional electrons flow source (DC power) was associated with the composite fabrics to measure current for corresponding voltage
Summary
Smart clothing made with conductive materials is required to pass electrical current through the fabric [1]. The most important function of heating fabric is to control the temperature generated on the conductive material. Several kinds of textile products such as woven, knitted, and nonwoven fabric, and embroidery can be engaged for assembling textile heating elements [5,6,7]. Warming components made of nonwoven textiles have ended up being of little use, attributable to less electrical conductivity. The resistance of warming components made of woven textile is lower than that of knitted items, despite having identical size and dimensions. Heating textiles have a wide range of end-uses, including medical applications like orthopaedic supports, electrotherapy, clinical cover for keeping up patient’s internal heat level, strain sensors, movement tracking gadgets, etc.; engineering or technical objectives such as motorbike gloves, household use like heating pads, leisure and sport wears, etc. [8,9,10]
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