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  • Effects of Elastane Draw Ratio of Core-spun Yarn on Air ...

    2020-1-9 · 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

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  • A Study on Physical Properties of Microfilament

    Yarn samples were spun with the same yarn count and twist coefficient. 100% cotton Ne 8/1 Ring slub warp yarns were used as warp yarn while double-core and core-spun yarns were used as weft yarns ...

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  • Properties of Weft Knitted Fabrics Made from Dual Core ...

    2018-11-27 · core-spun yarn[1s, 2 ]. If an elastic filament is used as the core, this yarn is called as “ coreelastic-yarn” If filament or staple arefibers used as the core, it is called “hard (rigid) yarn”. The core part core-contributes strength and functional properties. The sheath fiber is …

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  • Air Permeability Analysis of Dual-Core Spun Yarns

    Core and Dual Core-spun yarns were used to produce weft knitted fabrics with different structures; Single Jersey, Rib 1x1, and Full Cardigan, and using different levels of stitch length. Results

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  • The Effect of Single and Dual-Core Yarns Produced with ...

    2020-10-16 · 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 …

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  • Analyzing Some of the Dual-Core Yarn Spinning

    core-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

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  • Effect of Lycra percentage on the physical properties of ...

    2020-2-19 · The effect of Lycra fiber on the physical properties of single jersey knitted fabric such as strength, elasticity, ... Herath3 studied the dimensional characteristics of a core spun cotton/spandex interlock structure. The results were compared with ... properties of the knitted fabric produced from core spun yarn and few

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  • Stretch and Physical Properties of Weft Stretch Denim ...

    2020-1-16 · Table 2: Properties of elastic dual core-spun yarns. Sample No Elastic dual core-spun yarns Yarn linear density (tex) Filament linear density (dtex) Filament draw ratio Elastane linear density (dtex) Elastane draw ratio Twist per meter Tenacity (cN/tex) Elongation (%) CVm (%) 1 CO +Xa + EL 42 83 1.08 78 3.0 660 15,21 10,31 12,17

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  • PAPER OPEN ACCESS Related content An investigation

    2020-5-27 · 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

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  • Effect of Nozzle Geometry on Air-Jet Texturing ... - CORE

    2020-4-22 · determine the effect of air inlet angle are inconclusive and require further investigation. The air-jet texturing process is widely known for its ability to produce spun-like synthetic continuous filament yarns. Structural modification is achieved by contact of the continuous feed yarn with a supersonic air stream delivered by a nozzle. The

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  • Basic idea about fancy yarn - Textile Today

    2019-3-12 · 16290205.pdf - Free ebook download as PDF File (.pdf), Text File (.txt) or read book online for free.

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  • 16290205.pdf | Nozzle | Yarn

    Effect of Washing Cycle on Tenacity and Stretching Properties of Denim Fabrics Containing Elastane. Çeven EK 1, Eren HA 1, Günaydın GK 2 *, Sevim Ö 1 and Şan C 1. 1 Uludag University, Faculty of Engineering, Textile Engineering Department, Gorukle Campus, 16059, Nilüfer, Bursa, Turkey

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  • Effect of Washing Cycle on Tenacity and Stretching ...

    2017-1-30 · industria textila˘ 24 2015, vol. 66, nr. 1 (2012) produced single jersey knitted fabrics and analyzed the significant fabric parameters that affect-ed the heat transfer of fabrics through a porous struc-ture [15]. Onofrei (2012) researched slowness of dry

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  • A comparative study on properties of dual-core yarns:

    2019-6-6 · Co/PBT – TR1 Co PBT core spun yarn 40 tex with PBT core yarn 83 dtex plain Co/PBT yarn treated in boiling water before weaving Co/PBT – TR2 Twill 1/3 Z Co/PBT – TR3 Twill 1/5 Z 2.2. Methods used After weaving and thermal treatment, basic properties of yarns and woven fabrics were analyzed: dimensional change (shrinkage) of Co/PBT yarn ...

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  • Open Access proceedings Journal of Physics: Conference

    All these features distinguish PBT, the elastic but nonelastomeric yarn, as suitable for use in knitted fabrics [12,13] and woven fabrics [5,6,14,15,16], for blending with all natural or synthetic yarns in various yarn structure forms (filament, core-spun yarn, dual-core yarn) [14,16,17,18]. PBT is therefore particularly suitable for sportswear ...

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  • Polymers | Free Full-Text | Functionalization of Woven ...

    The yarn porosity plays an important role in governing the compression and surface properties of the terry fabric. The fabric having high porous pile yarn shows high LC, RC and low WC, SMD, MIU and MMD as compared to those fabrics having normal pile yarn (Fig. 16.4).The bulky yarn structure of the porous yarn is the main driving force behind the improved compression and surface behaviour.

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  • Staple Length - an overview | ScienceDirect Topics

    In bicomponent fibers spinning, two molten/dissolved dissimilar polymers meet each other at the outlet of the spinneret with different cross-sections to make desired configurations such as core/shell (C/S or core/sheath), side by side (S/S), or islands in the sea (I/S). 11, 12 These fibers exhibit different properties, i.e., conductivity and ...

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  • Recent advances in core/shell bicomponent fibers and ...

    Hybrid yarns can also be developed, eg, hemp–wool, nontwisted 1000Tex yarns (Fig. 6.7).This hybrid yarn has significantly higher linear density in comparison with aforementioned hemp yarns. Fibres within the yarn are parallel, not twisted and are held together with wrapping polymeric wire. Fig. 6.7a presents hemp-wool yarn with distinguishable black wrapping yarn.

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  • Hybrid Yarn - an overview | ScienceDirect Topics

    2017-1-30 · duced from ring and compact-spun yarns [13]. Bivainyte and Mikucioniene (2011) researched the effect of the knit structure, fiber type and yarn prop-erties in double-layered knitted fabrics on the air and water vapor permeability properties [14]. Cubric et. al.

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  • Textila nr 1 2015 continuare Textila 2 2012

    TEXTILE SENSORS FOR ECG AND RESPIRATORY FREQUENCY ON SWIMSUITS 1 2 M.Silva, A.Catarino, H.Carvalho, A.Rocha, J.Monteiro, G.Montagna 1 University of Minho,Center for Textile Science and Technology, Campus de Azurém, 4800-058 Guimarães, Portugal 2 Technical University of Lisbon, Faculdade de Arquitectura, Alto da Ajuda - 1349-055 Lisboa, Portugal ABSTRACT Swimming …

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  • (PDF) Textile sensors for ECG and respiratory

    2000-5-11 · 13. The yarn of claim 12, further comprising a second core yarn (34) alongside the first core yarn (32). 14. The yarn of claim 12 or 13, wherein said first cut resistant strand (12) has a denier between about 200 and 700. 15. The yarn of any of claims 12 to 14, wherein said second non-cut resistant strand (14) has a denier between about 140 and ...

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  • Multi-component yarn and method of making the

    B. All fibres start from the surface of the yarn and run inside. C. Core fibres are parallel and the sheath fibres are wrapped over the core fibres D. Core fibres have a twist direction which is different from the sheath fibres. Answer: A. 2. In comparison with the ring spun yarn, air-jet spun yarn …

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  • FIBRE PROMOTERS, SPINNERS AND KNITWEAR

    2018-12-7 · For improving body movement comfort in apparel, elastic core-spun yarns can be used to produce elasticity of the woven and knitted fabrics. In this study, the effects of elastane linear density on the mechanical properties of double core and single core yarns, spun with different core …

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