(PDF) Effects of Spandex and Yarn Counts on the Properties ...
The present research focused on the effects of spandex and yarn count parameters on the properties of elastic core-spun vortex yarns. The experiment and test results …
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The present research focused on the effects of spandex and yarn count parameters on the properties of elastic core-spun vortex yarns. The experiment and test results …
Get Price2013-10-1 · cover. The core-spun yarn can be extended to the point where the non-elastic sheath portion of the yarn is stretched to its limit, thus resisting further extension of the core-spun yarn9. Su et al.10 studied the structural and performance characteristics of elastic core-spun yarns. They have produced 19.7 tex elastic core-spun yarn from
Get PriceThe yarn tenacity value of core-spun yarn increased with increasing the sheath ratio in yarn. The effect of twist coefficient on the yarn elongation was found statistically …
Get PriceThe scope of this research is to study the effect of yarn structure and yarn count on properties of types of core-spun yarns, including elastic core/T400, elastic core/Lycra, dual core, and tri ...
Get Price2017-4-13 · Various cotton/lycra core spun yarns are prepared in modified ring frame. The core of the yarn consists of a 70 dtex lycra filament and sheath consists of staple cotton fibers. The cotton/lycra core spun yarns are explored for the suitable application of stretch denim fabric. The tensile and elastic performance properties of the prepared stretch yarns are evaluated. The influence of various ...
Get Price2019-7-26 · Core spun yarn primarily finds its application in industrial textile sector but during the last more than two decades it is being used in apparel sector primarily in denim. Stretch denims are made by using elastane core spun as weft in the fabric. Advantages of elastane core spun yarn are good recovery, better shape fitting and it facilitates ...
Get PriceA core-spun yarn consisting of a metal filament core and a CNT sheath was constructed for application in two-ply yarn supercapacitors (Zhang et al., 2014a).The core/sheath-structured CNT yarn can be manufactured on a flyer-spinner, as shown schematically in Figure 3.7.The CNTs forming the sheath are drawn from the MWCNT forest as a continuous web.
Get Price2015-3-4 · The results indicated that increasing the elastic yarn draw ratio increased the elastic core-spun yarn irregularity and fibre-covering factor by which the highest values were obtained at 4.41 ...
Get PriceIn terms of elasticity, a 10 tex elastomeric yarn produced with a 2.2 tex/2f spandex core at a draw ratio of 4.0 and with a twist factor of 40 exhibits the best dynamic elastic recovery percentage ...
Get Price2015-7-20 · Nub, knot, and spot yarns are ply yarns in which the effect yarn is twisted around the base yarn to produce a thicker area or a bump. Bouclé and loop yarns are ply yarns that use three sets of yarns – base or core yarn, effect yarn, and tie yarn. The effect yarn is looped around the base or core yarn and tied with a binder yarn.
Get Price2019-7-26 · Core spun yarn primarily finds its application in industrial textile sector but during the last more than two decades it is being used in apparel sector primarily in denim. Stretch denims are made by using elastane core spun as weft in the fabric. Advantages of elastane core spun yarn are good recovery, better shape fitting and it facilitates ...
Get Price2020-7-15 · The woven fabrics containing cotton/spandex core spun yarns possesses very vital properties of stretch, recovery and thus shape retention from the view point of wearing comfort and garment appearance. Spandex present in the core of core spun yarn is the most essential performer behind these properties. An attempt is made in this research work to study the influence of changing …
Get Price2020-1-9 · to investigate the effect of elastane draw ratio in the core-spun yarn on the air permeability and bursting strength of bi-stretch woven fabrics. For this aim, 20 Tex cotton combed ring spun yarn samples were produced with four different levels of draw ratio of elastane core (3.07, 3.33, 3.63, 3.99) in the yarn. Four woven fabric samples were
Get Price2021-7-22 · of elastane core-spun yarn fabrics 14-16, but study on comfort or microclimate conditions of woven fabrics made of these yarns are not available in the literature.The basic objective of the present investigation is to study the microclimate conditions of plain woven fabrics made from the elastane cotton core-spun stretch yarns.
Get PriceEffect of Elastane Denier and Draft Ratio of Core-Spun Cotton Weft Yarns on the Mechanical Properties of Woven Fabrics Bilal Qadir, Tanveer Hussain, PhD, Mumtaz Malik, PhD National Textile University, Faisalabad, Punjab PAKISTAN Correspondence to: Tanveer Hussain email: [email protected] ABSTRACT Elastane percentage in the core-spun cotton yarn of a Core-spun yarns have been the ...
Get Price2021-7-9 · the effects of filament fineness and on yarn count denim fabric performance. Textured polyester filaments with medium, fine and micro linear densities were used as the core part of the core-spun yarn and cotton was used as sheath material.fiber Yarn samples manufactured with the same production parameters at different yarn count were
Get Price2019-5-23 · position in the core-spun yam differs as well. Figure I shows the cross sections of 20, 15, and 10 tex elasto-meric yams, and Table I showsthe spandex distribution in these yarns; the percentages ofspandex positioned at the center of the core-spun yarn are 73, 61, and 57%, respectively. Lowercountscontain morecotton fibers on
Get Price2015-7-20 · Nub, knot, and spot yarns are ply yarns in which the effect yarn is twisted around the base yarn to produce a thicker area or a bump. Bouclé and loop yarns are ply yarns that use three sets of yarns – base or core yarn, effect yarn, and tie yarn. The effect yarn is looped around the base or core yarn and tied with a binder yarn.
Get Price2015-5-5 · Effect of core draft on the properties of core spun yarn 1. 1 Bangladesh University of Textiles Project Report On Effect of core draft on the properties of core spun yarn SUPERVISING TEACHER Mr. Md. Zahidul Islam Lecturer, Department of Yarn Manufacturing Engineering Bangladesh University of Textiles Submitted by Arif Rahman, ID: 20101001 K. M. Mamunur Rashid, ID: 20101059 Sadikur …
Get PriceSuch yarn contains an elastane yarn (e.g. lycra) in core surrounded by twisted staple sheath fibers (e.g. cotton). In short, it is a staple spun yarn with presence of elastic core which imparts stretch to yarn. Presence of elastic core requires some modifications in usual splicer which are shown in Fig. 6.29.
Get Price2018-8-5 · ANNALS OF THE UNIVERSITY OF ORADEA FASCICLE OF TEXTILES, LEATHERWORK 13 ANALYSING THE PHYSICAL AND MECHANICAL PROPERTIES OF CORE-SPUN YARNS BALCI KILIC Gonca1 1 Dokuz Eylül University, Faculty of Engineering, Department of Textile Engineering, 35397, İzmir, Turkey Corresponding author: BALCI KILIC, Gonca, E-Mail: [email protected] Abstract: Core spun yarn …
Get Price2010-12-13 · of elastic woven fabrics from the viewpoint of mechanical properties. Therefore, the present work was aimed at investigating the effect of tensile fatigue cyclic loads on bagging deformation of elastic woven fabrics, as well as on fabric mechanical properties. 2 Materials and Methods Eight different kinds of core-spun yarn, which
Get PriceIn the textile industry, composite yarns with multifilament cores are used to impart strength. There are various spinning systems to produce composite core-spun yarns. In this study, to determine the effects of filament fineness on yarn characteristics of composite yarns, polyester filaments with medium, fine and micro fiber linear densities were used as the core portion and cotton fiber was ...
Get Price2016-12-15 · Results showed that span distance had a significant effect on covering effect, and nanofiber core-spun yarn with a perfect covering effect could be prepared at the span distance of 2 cm with covering rate and abrasion growth rate of 30% and 142.3%, respectively. Alignment direction of nanofibers on the surface of nanofiber core-spun yarn was ...
Get Price2020-5-14 · elastic, and plied yarn treated by special finishes to increase its abrasion resistance during stitching operation [18]. It can be spun from staple yarn, filament, or core spun yarns. The thread must be withstand the several wash and hold the seams together for the life of the garment. Cotton and polyester sewing thread are most
Get Price2018-11-5 · Elastic core-spun yarns which is used as weft yarn for textile fabrics gained great importance in the last decade its due to the fact that stretch and recovery, comfort fits and flexibility properties. The technological progress made the dual core-spun yarn production possible. The dual core-spun …
Get Price2020-10-15 · core filament can be well covered by the wrapper fibers in the outer layer [6]. Nozzle is the key part in the vortex spinning machine and the design of its structure has a significant effect on the resultant yarn properties and the performance of the machine. Therefore, this paper reviews the current progress of the design of the nozzle for ...
Get Price2019-7-31 · constructed from staple yarn, continuous lament, or core spun yarns. e sewing thread plays a signi cant role for improving even though it usually represents much less than % by mass of a garment. e high strength of sewing thread always gives better functional performance of seam, namely, seam strength and seam strength e ciency. e di erent
Get Price2019-11-28 · with the core entwined by the filaments with false twist turns of randomly changing directions. The elastane yarn is pre-tensioned and is passed through a first hollow spindle on which the inelastic yarn is located that is twisted around the elastane yarn /4, 6/. 1.2.3.2 Double covered yarn (double core twist) Elastic yarn with bare and ...
Get PriceFurther, good fabric performance can be expected with yarn properties such as high work of rupture, loop strength and knot strength, yarn twist, reasonable tenacity, low flexural rigidity and adequate torsional rigidity.A silk knitted fabric has a smooth surface and provides a pleasant feel when worn next to the body (Oglakcioglu & Marmarali ...
Get Price2020-10-16 · Core-spun yarns consist of two different components; a staple sheath and a filament core. If the core fila-ment is an elastic polyurethane filament, it is known as “soft-core yarn” whereas if it is a rigid filament, yarns are known as “hard-core (rigid) yarn” on the market. In …
Get Price2016-7-20 · variables are given in Table 2. Fifteen core-spun yarn samples were spun on ring frame by taking cotton in sheath and 44 dtex elastane in core as per experimental plan as given in Table 1. Single jersey knitted fabric samples were made from these yarns on 14 gauge circular knitting machine at same level of tightness factor.
Get PriceThe aim of this work is to determine the effect of draft ratio and twist level on core visibility ratios of dual core-spun yarns. For this aim, different types dual-core yarns containing PET/Elastane were produced under controlled conditions. To objectively evaluate the visual quality of the dual-core yarns, the frequency of the core filaments appearing on the yarn surfaces was counted on dyed ...
Get Price2017-1-24 · effect of tensile strain rate on ring spun yarn and rotor spun yarn with three parameters nonlinear model and obtained that a normal nonlinear solid model can simulate very well the tensile property of spun yarn. Liu et al., [9]acquired the relaxation modulus of a single spun yarn employing the generalized Maxwell model.
Get PriceJohannes Karl Fink, in High Performance Polymers (Second Edition), 2014. 13.5.9 Cut-Resistant Gloves. Cut-resistant gloves are fabricated from a cut-resistant composite yarn having a core yarn and a first wrapping yarn helically wrapped around the core yarn. The core is of 56 – 220 dtex glass fiber filament yarn. The first wrapping is a 110 – 680 dtex para-aramid yarn.
Get PriceIn order to overcome this problem more matrix wrap yarn added in other direction. This type of yarn configuration is termed as double covered yarn. On the other hand, in core spun process, core reinforcement yarn kept in the middle and matrix yarn are spun over the reinforcement. These yarns exhibit the softness similar to co-wrap yarn.
Get Price2019-11-28 · with the core entwined by the filaments with false twist turns of randomly changing directions. The elastane yarn is pre-tensioned and is passed through a first hollow spindle on which the inelastic yarn is located that is twisted around the elastane yarn /4, 6/. 1.2.3.2 Double covered yarn (double core twist) Elastic yarn with bare and ...
Get Price2018-12-21 · These investigations were based on knitted structure with loops formed from core spun yarn with elastane core too. The main feature of medical fixing and compression devices is the use of elastic textile material, in particular knitted fabric. The product does not restrict the movement freedom and provides the required compression level.
Get Price2019-5-8 · ical analysis, focusing on the effect of statically applied stress (or strain) and temperature. Experimental Materials. The fibres used in this study were commercial grades of solution-spun, highly drawn PVA fibres (Kuralon 5900) of 2000dtex (1800 den), supplied by Kuraray Corp. (Japan). Fibre samples were pre-
Get Price2021-8-13 · levels of Kevlar® are available for improved thermal performance . These staple and yarn fibers have high crystallinity similar to the Type 430 yarn and Type 450 staple fibers but with spun-in color . They have enhanced colorfastness and color uniformity, and higher yarn and fabric strength when compared to trade-dyed products . Nomex® MHP
Get Price2019-7-26 · on the effect of feed yarn fineness and process parameter of core and effect of air-jet textured yarn on fabric compression properties [11,12]. Efforts have been taken at explaining the pressure-thickness relationship of woven air-jet textured yarn fabrics in low-load regions by suitable mathematical coefficients using empirical modeling.
Get Price2020-1-16 · Denim fabrics were produced with elastic core-spun (dual core-spun) weft yarns developed for this purpose. Fabric performance tests were carried out and the results obtained were evaluated. Material and Method Within the scope of this study, twelve different elastic dual core-spun yarns which is wrapped with cotton fibers and which have
Get PriceIn order to overcome this problem more matrix wrap yarn added in other direction. This type of yarn configuration is termed as double covered yarn. On the other hand, in core spun process, core reinforcement yarn kept in the middle and matrix yarn are spun over the reinforcement. These yarns exhibit the softness similar to co-wrap yarn.
Get Price2020-10-15 · core filament can be well covered by the wrapper fibers in the outer layer [6]. Nozzle is the key part in the vortex spinning machine and the design of its structure has a significant effect on the resultant yarn properties and the performance of the machine. Therefore, this paper reviews the current progress of the design of the nozzle for ...
Get Price2021-4-6 · deformation of elastic woven fabrics for different numbers of cyclic loads, levels of draw ratio of the elastane core in the yarn and twist factor of the yarn. It was determined that the decrease in draw ratio and increase in twist coefficient of core spun yarns lead to a decrease in elastic recovery. Also, the number of cyclic loads
Get Pricealternate cotton and elastance core spun yarn courses [8]. The lycra extension percentage increases the air permeability is decreased for full plated fabric than half plated fabric. (Because of stitch density, thickness, more tightness factor) [9]. The elastic fabric containing elastane yarn of every alternating
Get Price2020-1-5 · Industry Co., Ltd.) yarn and elastic nylon/spandex core-spun yarn (22/33dtex) in the rest parts. Each loop in the fab-ric consists of two yarns, which are overlapped in such a way that the conductive or elastic nylon filament yarns appeared at the technical surface of the fabric, while the spandex core-spun yarn at the back. The silver-plated con-
Get Price2019-6-18 · Dual core spun yarns are made of three components: a core filament - mainly LYCRA®, a polyester multifilament as T-400® and a cotton fiber. This special yarn offers improved recovery and strength compared to traditional core spun technology. Splicer library Core yarns Settings of air and water parameters are individually adjusted per each ...
Get Price2020-2-6 · cones, undyed yarn, and (b) 100% merino wool, 60/1 size, S twist and Z twist cones, in color light grey. To simulate the commercial applications of seamless knitted fabrics, each yarn was combined with 20-20/10/1 cover core spun 210 D bare elastic yarn. Each yarn combination was
Get PriceThe aim of this study was to investigate the effect of elastane linear density, thread density, and weave float on the stretch, recovery, and compression properties of bi-stretch woven fabrics for compression garments. Fabric samples were produced
Get Price2019-11-25 · As one kind of filament/staple fiber composite yarn, core spun yarn has been widely used, especially on Jeans. However, there is only one filament in the commonly used core spun yarn, such as spandex, and the performance of the one filament often is influenced during dyeing and finishing. Therefore, in the paper, twin-core spun yarns with two different filaments feeding simultaneously were ...
Get Price2020-1-9 · the core–sheath structuring effect, using a spring and damper as mechanical elements [7]. In earlier study of the effect of the elastane draft on the rheological . modeling of the elastic core spun yarn, the mechanical behaviour of elastic core spun yarns was identified by a rheological modelling on the
Get Price2016-7-20 · Core-spun yarn, covered yarn, elasto twist yarn, two for one twisted yarn, air- covered yarn and siro – spun yarn are the common elastic yarn production methods and these yarns are used to produce outer wear, leisure wear and sportswear 11, 13 . 2.2 Elastane Plated Cotton Fabric
Get Price2020-10-15 · core filament can be well covered by the wrapper fibers in the outer layer [6]. Nozzle is the key part in the vortex spinning machine and the design of its structure has a significant effect on the resultant yarn properties and the performance of the machine. Therefore, this paper reviews the current progress of the design of the nozzle for ...
Get PriceThe yarn showed excellent drawing performance, which can be drawn evenly up to 6 times of its original length without breaking. The drawing treatment improved yarn and fiber uniformity, polymer chain orientation within fibers, and yarn tensile and modules, but decreased yarn and fiber diameter and elongation at break. The drawing
Get PriceEffect of Spinning Rubber Cot Shore Hardness on Yarn Mass Uniformity and Imperfection Levels - Part 1 By: B. Sujai and M. Sivakumar Abstract: The effect of nine different spinning front line cots ( Synthetic rubber cot ) varying only in shore A hardness (56°,63°,65°,66°,68°,75°,83°,85°& 90°) on 100% cotton ring spun yarn has been
Get Price2016-7-20 · ky handle, better static performance and improved hydrophilic properties made it necessary to inves-tigate the influence of steam-relaxation treatment. The present study aims at investigating the effect of twist and steam-relaxation treatment on the physical and mechanical characteristics of acrylic-viscose ro-tor-spun yarns. 2 Materials and ...
Get Price2009-5-30 · in the core of air-jet yarn, the chances of elongation are less as compared to that in ring-spun core yarns. According to Behera and Sardana 18, larger the EMT value, the greater will be the wearing comfort. The value of EMT indicates that 100% cotton is the least extensible yarn than all sheath/core yarns made from
Get Price2019-7-31 · constructed from staple yarn, continuous lament, or core spun yarns. e sewing thread plays a signi cant role for improving even though it usually represents much less than % by mass of a garment. e high strength of sewing thread always gives better functional performance of seam, namely, seam strength and seam strength e ciency. e di erent
Get PriceYarn can be made of both synthetic and natural materials. Many yarns are produced in a mixture of materials, to get the benefits from several materials. The most common yarn materials are cotton, wool and acrylic but you can also buy yarn made of linen or bamboo yarn. At Hobbii we have a wide selection of high quality yarn.
Get Price2018-12-5 · y Elastic Denim Yarns Core-spun yarns are produced conventionally on ring-spinning machines by introducing a spandex filament at the back of the front drafting roll of the machine. The drafted cotton fibers twist around the spandex core to produce an elastic ring-spun type yarn…
Get Price2009-5-30 · in the core of air-jet yarn, the chances of elongation are less as compared to that in ring-spun core yarns. According to Behera and Sardana 18, larger the EMT value, the greater will be the wearing comfort. The value of EMT indicates that 100% cotton is the least extensible yarn than all sheath/core yarns made from
Get PriceEffect of Spinning Rubber Cot Shore Hardness on Yarn Mass Uniformity and Imperfection Levels - Part 1 By: B. Sujai and M. Sivakumar Abstract: The effect of nine different spinning front line cots ( Synthetic rubber cot ) varying only in shore A hardness (56°,63°,65°,66°,68°,75°,83°,85°& 90°) on 100% cotton ring spun yarn has been
Get Price2019-6-18 · Dual core spun yarns are made of three components: a core filament - mainly LYCRA®, a polyester multifilament as T-400® and a cotton fiber. This special yarn offers improved recovery and strength compared to traditional core spun technology. Splicer library Core yarns Settings of air and water parameters are individually adjusted per each ...
Get Price2013-7-9 · Yarn torque is formed in a freshly spun worsted yarn and is well known as twist-liveliness causing snarling and entanglement of yarn at low tensions. Platt et al. (1958) derived the torque in a spun yarn from the torsional and bending moments of the fibres using an idealised helical geometry for the fibres in the yarn and without applied tension.
Get Price2019-7-31 · constructed from staple yarn, continuous lament, or core spun yarns. e sewing thread plays a signi cant role for improving even though it usually represents much less than % by mass of a garment. e high strength of sewing thread always gives better functional performance of seam, namely, seam strength and seam strength e ciency. e di erent
Get Price2019-11-28 · with the core entwined by the filaments with false twist turns of randomly changing directions. The elastane yarn is pre-tensioned and is passed through a first hollow spindle on which the inelastic yarn is located that is twisted around the elastane yarn /4, 6/. 1.2.3.2 Double covered yarn (double core twist) Elastic yarn with bare and ...
Get Price2020-9-4 · In this study, cotton/spandex core-spun yarns are chosen as weft yarns and interwoven with acrylic plied yarn to prepare an elastic fabric, which is sequentially coated with carboxylic multi-walled carbon nanotubes and silver nanoparticle-based conductive layers to finally obtain a high-performance strain sensor (resistance = 60 Ω).
Get Price3.1: Ring twisting method Ring twisting is the well established yarn spinning method. Ring spinning system is the oldest and versatile in terms of types of materials (100% pure cotton, Blend, man-made staples) and fineness of yarn (wide range of count 6s to 120s). Ring and traveller are used for the insertion of the twist.
Get Price2016-8-11 · 2. Yarn | Types of yarn Yarn Generally yarn is a continuous strands which is made up of filament, fibres or materials where the materials are suitable for knitting, weaving, otherwise forming a textile fabric. Yarn is an assembly of fibres that are twisted together to form a continuous strand. Yarns may be made …
Get Price2018-12-5 · y Elastic Denim Yarns Core-spun yarns are produced conventionally on ring-spinning machines by introducing a spandex filament at the back of the front drafting roll of the machine. The drafted cotton fibers twist around the spandex core to produce an elastic ring-spun type yarn…
Get Price2019-6-18 · Dual core spun yarns are made of three components: a core filament - mainly LYCRA®, a polyester multifilament as T-400® and a cotton fiber. This special yarn offers improved recovery and strength compared to traditional core spun technology. Splicer library Core yarns Settings of air and water parameters are individually adjusted per each ...
Get Price2020-12-15 · Dual core spun yarns are made of three components: a core filament - mainly LYCRA®, a polyester multifilament as T-400® and a cotton fiber. This special yarn offers improved recovery and strength compared to traditional core spun technology. Water splicer (optional) The splicing operation is made under vacuum while the water is injected (Duo ...
Get Price2019-7-28 · and the lycra yarn are knitted parallel or side-by-side in every course, with the lycra yarn always kept on one side of the cotton yarn, the method is classified as “full plating or full feeder”. When the Lycra is placed in alternating courses, the method is classified as half plating or half feeder (Sadek et al., 2012). Feeding of the ...
Get Price2020-8-26 · Dual core spun yarns are made of three components: a core filament - mainly Lycra ®, a polyester multifilament as T-400 and a cotton fiber. This special yarn offers improved recovery and strength compared to traditional core spun technology. SAVIO SOLUTIONS FOR DENIM YARN PROCESSING Eco PulsarS Plus Polar Evolution Helios Avalaible on Avalaible on
Get Price2016-8-14 · C. Prakash and K. Thangamani, “Establishing the effect of loop length on dimensional stability of single jersey knitted fabric made from cotton/lycra core spun yarn,” Indian Journal of Science and Technology, vol. 3, no. 3, pp. 287–289, 2010. View at: Publisher Site | Google Scholar
Get Price2014-6-21 · a conductive yarn. The number of elastic yarns and conductive yarns, the density of the weft yarn, and the feed ratio of the conductive yarns for the three webbings are listed in Table 1. The characters E, C, and D in the webbing code indicate elastic yarn, conductive yarn, and the density of weft yarn, respectively.
Get Price2021-6-26 · Cellulose nanocrystals (CNCs) with high crystallinity exhibit high mechanical stiffness and strength. However, the high dispersibility of CNCs results in limited spinnability and orientation. In this study, oxidized nanocellulose was selected to obtain regionally oxidized CNCs (RO-CNC) with carboxyl groups appended. For the formation of orientable and extensible RO-CNC filaments, chitosan was ...
Get PriceAdanur S, Qi J (2008) Property analysis of denim fabrics made on air-jet weaving machine part II: Effects of tension on fabric properties. Text Res J 78: 10-20. Özgüney AT, Özçelik G. Özkaya K (2009) A study on specifying the effect of laser fading process on the color and mechanical properties of …
Get Price2014-9-13 · YARNS & CLASSIFICATION INTRODUCTION Yarn is âa generic term for a continuous strand of textile fibers, filaments, or material in a form suitable for knitting, weaving,…
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