(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 Price2020-10-16 · 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 recent years, alternatively, multicomponent core-spun yarns, called double-core yarns, are developed in order to cope with the recovery problems of elastane.
Get Price2020-5-7 · elastane-cotton core-spun yarn fabric. The yarn liveliness is altered by changing draw ratio on ring frame and thus the elastane core % in the yarn. The 4 samples of 30s Ne elastane core-spun cotton yarn have been produced using 40 den elastane having 5, 7, 9 and 11% elastane core adjusted by using suitable draw ratio on ring frame.
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 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 PriceThe 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
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 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 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 PriceCheng et al. [177] prepared conductive open-end friction core-spun yarn (OFCY) with SS wire (or core copper) as the core thread, SS staple fibre as the inner sheath and rayon (or Kevlar) fibre as ...
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 Price2021-8-6 · elastic performance. It was revealed by the Sardag [14] experiments that temperature application stabilized the spandex portions of yarns and enhanced the strength of yarn. Shariful et al. [15] experimented that, application of temperature enhanced the elastic performances of cotton spandex woven fabrics. The present research was
Get Price— Light weight fabrics are selected for their aesthetic qualities, drape, and handle. But these fabrics are difficult to sew. Seams are the basic elements in a structure of any apparel. Seam performance affects the quality of the apparel product. In
Get PriceThe present invention provides a core spun elastic composite yarn comprises a sheath of at least one hard fiber, at least one elastic performance filament and at least one staple spun yarn. Said at least one hard fibers has an English cotton count from Ne 4 to Ne 60, said at least one elastic performance filament has a denier from 20 to 140 and said at least one staple spun yarn is formed from ...
Get PriceFibres being the structural unit of a yarn, its nature, composition and arrangement can influence structure and properties. The performance of yarn changes with arrangement of its constituent fibres. Arrangement of fibres in a yarn being system ... A Study on the Packing Density of Structurally Modified Ring Spun Yarn.
Get PriceWe assume that during bunch fancy yarn production, there is constant tension on the core yarn different than for the effect yarn [7]. In this way one of the component yarns is the core, the second ...
Get Price2018-6-2 · [Autex Research Journal] the Effect of Knitting Parameter and Finishing on Elastic Property of PETPBT Warp Knitted Fabric - Free download as PDF File (.pdf), Text File …
Get PriceFor the buckypaper-enhanced SMEP (CNT-SMEP), the improvement in elastic modulus in the temperature extremes of 20 and 50ׄ°C was found to be 52% (1810 MPa compared to 2740 MPa) and 514% (7.6 MPa ...
Get Price2019-7-15 · 80 70 60 50 40 30 20 10 0 68 effect. 34 effect. 600 core. 300 core. Feed yarn type Figure 5.1 Tenacity of the feed yarns. 5.3. Tenacity of the 300 tex category The glass yarns are symbolised on the basis of the thickness of the core and effect yarns (tex value) and the air pressures used for texturing. For example 300 + 34 5B means: Core yarn ...
Get PriceTexturising: Defects, Causes, Effects, Remedies and Prevention Through Quality Management | H. V. Sreenivasamurthy; B. Purushothama | download | Z-Library. Download ...
Get PriceThe 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
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 PriceCheng et al. [177] prepared conductive open-end friction core-spun yarn (OFCY) with SS wire (or core copper) as the core thread, SS staple fibre as the inner sheath and rayon (or Kevlar) fibre as ...
Get PriceThe visual appearance of a friction spun yarn is closer to the ring spun yarn than an open-end yarn. The internal structure of it is quite different from both the yarns. It has very poor fibre orientation and packing of fibres. The structure of friction spun yarn has two parts—the core and the sheath.
Get Price2021-8-6 · elastic performance. It was revealed by the Sardag [14] experiments that temperature application stabilized the spandex portions of yarns and enhanced the strength of yarn. Shariful et al. [15] experimented that, application of temperature enhanced the elastic performances of cotton spandex woven fabrics. The present research was
Get Price2010-1-1 · A Dref-3 friction spun yarn consists of a two-part structure, namely a densely packed core containing both straight and twisted fibres that are randomly distributed along the yarn length, and the fibres that are wrapped helically over the core to form a sheath and that exhibit Z-twist (Gowda, 2001). Several fibres have their leading end hooked ...
Get PriceThe effect of spandex yarn input tension, yarn loop length, and spandex yarn linear density on the elastic properties of stretchable knitted fabrics were studied [16].
Get Price2021-5-25 · core components of soft yarn wit h a larger diameter and one wrap compon ent of stiff yarn with a smaller diameter. A primary geometrical mod el for predicting the Poisson ’ s ratio of the ...
Get Price— Light weight fabrics are selected for their aesthetic qualities, drape, and handle. But these fabrics are difficult to sew. Seams are the basic elements in a structure of any apparel. Seam performance affects the quality of the apparel product. In
Get PriceAbstract and Figures. Taguchi Method is explained in brief and one of the textile processes, called spinning process, is optimised by using Taguchi method for manufacturing optimum packing density ...
Get PriceThe 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
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 Price2021-8-6 · elastic performance. It was revealed by the Sardag [14] experiments that temperature application stabilized the spandex portions of yarns and enhanced the strength of yarn. Shariful et al. [15] experimented that, application of temperature enhanced the elastic performances of cotton spandex woven fabrics. The present research was
Get PriceThe visual appearance of a friction spun yarn is closer to the ring spun yarn than an open-end yarn. The internal structure of it is quite different from both the yarns. It has very poor fibre orientation and packing of fibres. The structure of friction spun yarn has two parts—the core and the sheath.
Get PriceCheng et al. [177] prepared conductive open-end friction core-spun yarn (OFCY) with SS wire (or core copper) as the core thread, SS staple fibre as the inner sheath and rayon (or Kevlar) fibre as ...
Get Price2010-1-1 · A Dref-3 friction spun yarn consists of a two-part structure, namely a densely packed core containing both straight and twisted fibres that are randomly distributed along the yarn length, and the fibres that are wrapped helically over the core to form a sheath and that exhibit Z-twist (Gowda, 2001). Several fibres have their leading end hooked ...
Get Price2021-5-25 · core components of soft yarn wit h a larger diameter and one wrap compon ent of stiff yarn with a smaller diameter. A primary geometrical mod el for predicting the Poisson ’ s ratio of the ...
Get Price— Light weight fabrics are selected for their aesthetic qualities, drape, and handle. But these fabrics are difficult to sew. Seams are the basic elements in a structure of any apparel. Seam performance affects the quality of the apparel product. In
Get PriceAbstract and Figures. Taguchi Method is explained in brief and one of the textile processes, called spinning process, is optimised by using Taguchi method for manufacturing optimum packing density ...
Get PriceThe effect of spandex yarn input tension, yarn loop length, and spandex yarn linear density on the elastic properties of stretchable knitted fabrics were studied [16].
Get Price2020-10-16 · 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 recent years, alternatively, multicomponent core-spun yarns, called double-core yarns, are developed in order to cope with the recovery problems of elastane.
Get Price2019-12-26 · In order to develop high shape retention yarn and investigate the effects of spinning process and core yarn contents on the shape retention of yarn, in this paper, three kinds of yarns, JC/T400 18.5tex (55.6dtex) core-spun yarn, JC/T400 18.5tex (44.4dtex) core-spun yarn and JC18.5tex pure cotton yarn were spun by using the complete condensing Siro-spinning technology.
Get Pricecore-spun yarn spinning technology. In core-spun yarn spinning method, any type of elastic filament specially placed to centre of the yarn is covered and wrapped by short staple fibres such as cotton, wool or man-made fibres. Produced yarn is called as core-spun and consisting of core filament and sheath parts. Core-spun yarn production
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 Price2019-1-30 · Effects of yarn count, twist multiplier, stretch percentage and extension percentage on tensile and recovery behavior of cotton/lycra core-spun yarn had been investigated. Core-spun yarns were prepared in a modified ring frame. A 70 dtex lycra filament was inserted in core and sheath consisted of cotton fibers. It had been observed that yarn count, lycra stretch ratio, extension and twist ...
Get Price2021-8-1 · Now the problem is about determining the effect of number of binding points and their locations on mechanical performance of the final composite under various types of stresses. The second method to make a 3D structure is introducing stuffer yarns without crimp (or with the lowest amount of crimp) in between the warp and weft [40] .
Get Price2021-2-1 · A student will take and complete a total of 12 courses, followed by 01 Project, 01 Seminar, 01 ... Machine and process variables affecting the structure and properties of spun yarns. Introduction to core spinning, cover spinning, Siro-spinning and compact spinning. ... Effect of yarn structure on different
Get Price2015-12-15 · Fancy yams are also produced by employing overfeeding and intermittent feeding of the effect yarn or drafted sliver. • The fibers are drafted either with or without aprons. The core yarn is brought through a groove in the front draft roller and therefore runs at the speed of the delivery roller, permitting overfeeding …
Get Price2021-2-1 · folded yarn. Yarn diameter and density. Theoretical analysis of effect of fiber properties and their geometrical configuration on the tensile and bending properties of yarn. Theories and analysis of yarn strength and irregularity. Fiber migration characteristics of continuous filament and spun yarns.
Get Price1. 1-15. (canceled) 16. Assembled yarn, wherein the assembled yarn comprises a first yarn and a second yarn; wherein the first yarn comprises a core yarn and a first wrap yarn, wherein the core yarn comprises a spun yarn, wherein the spun yarn comprises a blend of fibers, wherein the blend of fibers comprises first electrically conductive fibers; wherein the first wrap yarn comprises or ...
Get Price2019-7-26 · filament yarn with certain overfeed is fed in cold supersonic airstream to produce entangled filament bulked yarn of low extension ability. It is known that air-jet textured yarn has certainly good resemblance of spun yarn due to unique structure. The low-load compression behavior of woven fabrics is very significant in term of handle and comfort.
Get Price2020-1-9 · the elastic core spun yarn 100/156 with Dorlastan draft equal to 3.47. To defined different regions of the tensile curves of the elastic core spun yarn 100/156 with various Dorlastan drafts, the cord method was used [13]. The curves derived of the tenacity according to deformation were plotted.
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 PriceDownload Free PDF. Download Free PDF ... A short summary of this paper. 34 Full PDFs related to this paper. READ PAPER. Winding core spun elastic yarns on cone bobbins to be dyed. Download. Winding core spun elastic yarns on cone bobbins to be dyed ... G. Belforte. Related Papers. Handbook of Yarn Production TechnologyP.R.Lord.pdf. By ...
Get Price2020-5-27 · Properties of elastic fabrics with treated and untreated Co/PBT yarns in weft direction M Bizjak, H Kadolu, K Kostajn ek et al.-Recent citations Elastic Recovery and Performance of Denim Fabric Prepared by Cotton/Lycra Core Spun Yarns Payal Bansal et al-This content was downloaded from IP address 157.55.39.142 on 27/05/2020 at 02:05
Get Price2015-4-14 · urethane/Modal core-spun yarn is an elastic polyurethane filament, while in its outer sheath there are staple fibres. During the production process of core-spun yarn, the polyurethane filament is stretched about three times. The stress in the filament makes the core-spun yarn retract and the Modal fibres crimp. For practical use, Equation 2 can ...
Get Price2021-8-3 · Now the problem is about determining the effect of number of binding points and their locations on mechanical performance of the final composite under various types of stresses. The second method to make a 3D structure is introducing stuffer yarns without crimp (or with the lowest amount of crimp) in between the warp and weft [40].
Get PriceTotal picks in Cotton stripe Core spun and Arrangement of core Lycra yarn% in core Sample no. a repeat threads cotton stripe threads spun and cotton stripes spun and cotton stripe Sample 1 20 12 8 (1L, 1C) × 4 50.0% Sample 2 20 11 9 (1L,1C,1C) × 3 33.3% Sample 3 20 11 9 (1L,1L,1C) × 3 66.7% Sample 4 20 12 8 (3L,2C,3L) 75.0% Results and ...
Get PriceThe two component filament/staple fiber core-spun yarn is spun on FA506 ring spinning frame with PTT filament as interlaced yarn and Tencel staple fiber as outer sheath. The spinning process and process parameters were analyzed. The morphology, mechanical property and wear-resisting property of two component core-spun yarn were tested. Results indicate that elastic recovery rate of core-spun ...
Get Price2016-9-9 · study has been done on seam performance properties on cot-ton fabrics on various stitch types and sewing thread types. The following specific objectives will be addressed in this study: 1. To investigate the performance of seams constructed with different sewing threads. 2. Determine the effect of various stitches on seam strength. 3.
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Get Priceknitting a family. by Anne D. LeClaire. A husband and wife form a couple; it takes the addition of a child to create a family. As the author waits for that baby to create her family, she turns to knitting.
Get Price2021-8-13 · Government of Andhra Pradesh. COMMON SCHEDULE OF RATES AS PER A.P. REVISED STANDARD DATA FOR THE YEAR 2021-22 (Effective from 1st June, 2021). BOARD OF CHIEF ENGINEERS MASTER INDEX Sl.N Description Page No. o. From To 1 Part-I(Water Resources Work 1 46 Items) 2 Part-II (Roads & Bridge Work Items) 1 29 3 Part-IV(Public Health Work Items) 1 118 4 …
Get Price2015-6-8 · resemble spun yarns in their appearance and physical charactertics. The air-jet Texturising process is the most versatile process of all the yarn texturizing methods in that it can blend filament together during process. Key words: Airjet Textured Yarn, Lycra Blend Airjet Textured Yarn, Stretchable Textured Yarn I.
Get Price2014-3-1 · elastane content makes the yarn flexible; however the yarn that will be used with elastane should allow the fabric to move freely and shouldn’t cause any deformation in the fabric.A. B. Mar [5] investigated the physical and marali dimensional properties of elastic single jersey fabrics and A.
Get Price2019-7-30 · Journal of Composites 0 0.5 1 1.5 2 2.5 2.5 2.7 2.9 3.1 Loop length (mm) 100% cotton 4.3% Lycra 5% Lycra 5.7% Lycra K c /K w F :E ectoflooplengthonloopshapefactoratdi
Get Price2021-6-4 · in the second case, the air-jet spun yarn shows more strength than ring spun yarn because the difference in surface helix angle ( ), since > 0 for ring spun yarn and 0 for core fibres in air-jet yarn. While comparing the influence of gauge length on failure for ring spun yarn and rotor spun yarn, they found from SEM photomicrographs that the ...
Get Price2012-9-25 · The breaking elongation of the air jet spun yarn depends not only on the yarn breaking load and the fiber modulus, but also on the proportion of fibers that slip or break. If all the core fibers in the yarn were to break without slipping, then the breaking elongation of the yarn will depend on the breaking load and the fiber elastic properties.
Get Price2015-10-28 · The effect of eight different spinning front and back line cots (Synthetic rubber cot) varying only in shore A hardness (65°,83°) on 100% cotton 30’s ring spun yarn has been investigated. The change in cotton yarn properties like mass uniformity, unevenness percent, Imperfection levels (in all class) with progressive change in shore A
Get Price2008-1-7 · of core-spun yarn Wool/spandex core-spun yarn is subdi-vided into two parts, as shown in Fig-ure 1, the inner part is spandex with ra-dius rs, the wool fibres cover spandex as the outer part and the whole yarn’s radius is R. We would study the mechanics of sheath and core, respectively. The analy-sis of the outer layer can be carried out
Get Price2018-6-16 · (2007). Effects of draw ratio and elastic core yarn positioning on physical properties of elastic wool/polyester core-spun ring yarns. The Journal of The Textile Institute: Vol. 98, No. 1, pp. 57-63.
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Get PriceThe Roundtable The editors of this special section asked a panel of experts to weigh in on questions related to the short story, the short story cycle, genre and form, emotion, affect, and effects on the reader. The roundtable is divided into two sections, the first of which deals with connections between genre, form, and affect, and the second of which deals with the short story cycle.
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