Pdf dynamic elastic behavior of spandex plaited cotton knitted fabric. This site is like a library, use search box in the widget to get ebook that you want. Scribd is the worlds largest social reading and publishing site. In the 1940s, the ig company developed perlon u, which however was a nonelastic polyurethane fiber. Spandex is made of long chained polymers substance created by naturalmanmade macromolecules and is compiled of over fifty monomers called polyurethane.
Us20040225101a1 high productivity spandex fiber process and. However, the strain from ntca was not much enough for practical application. Welcome to the spandex fiber directory section of the apparel search website. In this process, the fabric first underwent a heat treatment step. Dryspinning process when the two types of prepolymers are mixed together, they interact to form the. The hard segments act as virtual crosslinks that tie all the polymer chains together into an infinite network. Chemically it is made up of a longchain polyglycol combined with a short diisocyanates and contains at least 85% polyurethane. As the use of fabrics containing spandex for apparel applications is expanding, developing. The name spandex is an anagram of the word expands. Super stretchable soft actuator made of twisted and coiled. Wo2017010692a1 spandex fiber with excellent chlorine.
Lycra fiber is the trademarked brand name of a class of synthetic elastic fibers known as spandex in the u. Fiber and fabric book pdf free download download ebook. All information is given without warranty or guarantee. Spandex consists of a fiberforming substance referred to as longchain synthetic polymer. A yarn composed of 520 percent spandex fiber and 8095 percent nonexpandable fiber is used to prepare fabrics for shirts, blouses, sportswear, coats, and corsets. Labels on textile fiber products listing of spandex and similar fibers hearing before the subcommittee on commerce and finance 89th congress 1st session on h r 806. Jul 07, 2016 from table 2ab, it is clear that the inventive bicomponent fibers exhibited greater bond retention to nonwoven fabrics than the control spandex fiber. Spandex fiber is a synthetic fiber known for its exceptional elasticity stretchability. Thirdly, fabric stretch is an important factor in analyzing pressure comfort, which largely depends on fabric elastic characteristics and elastic recovery properties.
Increasing disposable income in the emerging economies such as china, japan, india, and others is increasing demand for textile products. Click download or read online button to get fiber and fabric book pdf free download book now. And, when it was first introduced in 1959, it totally revolutionized the swimwear and foundations industry. Takashi tsurumi, in advanced fiber spinning technology, 1994. Herein, a fiber strain sensor is fabricated by continuously coating a layer of ultrathin multi. Geometrical properties of cottonspandex knitted fabric. Removal of spandex from nylonspandex blended fabrics by. Spandex, lycra or elastane is a synthetic fiber known for its exceptional elasticity. Spandex is a polymer, its macromolecular structure is made up of repeating units mers denoted by the x and n next to the parentheses in the structure. Ho cho, min geun song, sang yul yang, youngeun kim, hosang jung, hyungpil moon, ja choon koo, jaedo nam, and hyouk ryeol choi super stretchable soft actuator made of twisted and coiled. Polyurethane fiber an overview sciencedirect topics. Spandex fiber market 2016 global forecasts to 2020 for. Summary spandex fiber is a manufactured fiber in which the fiber forming substance is a longchain synthetic. Once the fabric develops, it is a lightweight comfortable material because of its elasticity and ability to retain its initial shape.
History of spandex interesting information on origin. In this section, you will find educational information and links to resources relevant to spandex fibers. Spandex fiber can be defined as a manufactured fiber in which the fiber forming substance is a longchain synthetic polymer compromised of at. Spandex is a synthetic fiber invented in 1959 at duponts benger laboratory in waynesboro, virginia. Spandex fiber fibers plastic free 30day trial scribd. It is a polyetherpolyurea copolymer that was invented in 1958 by chemist joseph shivers at duponts benger laboratory in waynesboro, virginia. An interesting fact about spandex is that it was developed as a substitute for rubber. High performance twisted and coiled soft actuator with spandex fiber for artificial muscles sang yul yang 1, kyeong ho cho 1, youngeun kim 1, mingeun song 2, ho sang jung 1, ji wang yoo 3, hyungpil moon 1, ja choon koo 1, jaedo nam 3 and hyouk ryeol choi 1. Knit fabric can more easily deform or stretch by compressing or elongating the individual stitches that form. The global spandex fiber market was valued at usd 3. The present invention provides a spandex fiber with improved strength and excellent chlorine resistance, comprising a dialkyl sulfosuccinate corresponding to the following formula 1, where r 1 and r 2 are independent of each other, are the same or different, and are hydrogen or an alkyl group with 1 to 30 carbon atoms.
Spandex fiber article about spandex fiber by the free. Effect of lycra percentages and loop length on the. Spandex fiber itself is a little comfortable, but a combination of the spandex fiber and other fibers result in lighter, body fitting, and comfortable swimwear. Easy care, superior bounce back and excellent shape retention. Spandex is a lightweight, synthetic fiber that is used to make stretchable clothing such as sportswear. Fibers are often used in the manufacture of other materials. During the development process, the membranes nonisotropic properties are achieved through specific material selection, fiber ratio and fiber pretension in a spandexfiber reinforced siliconematrix. When the zerocreep addon is 7 gsm, the bicomponent spandex fibers p27 and p912 display good bond performance than the control spandex fibers p1 or p8 table 2ab.
Spandex gained interest quickly due to its superiority to the strength in durability of rubber. Spandex fiber physical and chemical properties of spandex fiber. The maximum tensile actuation strain of stca was 45% at c, and the maximum specific work was 1. Pdf dynamic elastic behavior of spandex plaited cotton. Experimental investigation of effects of spandex brand and. Good resistance to most of acids unless exposure is over 24 hours. The superior performance exhibited by the stca is due to the 14% contraction strain of the bare spandex bare nylon. The word spandex is an anagram of the word expands. Dupont first introduced the world to spandex or lycra with womens lingerie and other underwear. The following tips and tricks will help your spandex stitching become an instant success. With durable fourway stretch, clothing flexes with you without binding, sagging or pulling.
It is stronger and more durable than rubber, its major plant competitor. It is strong, but less durable than its major nonsynthetic competitor, natural latex. In this study the physical, dimensional, and mechanical properties of back plaited cotton spandex. While i appreciate spandex for its comfort, embroidering on it can give even the most seasoned stitcher a rip. Spandex fiber market by production process, enduse. Enhanced strain sensing performance of polymercarbon. Pdf elastane fabricsa tool for stretch applications in. Lightweight retains original shape abrasion resistant stronger than rubber soft, smooth, supple resists body oils, perspiration, lotions, detergents no static or pilling disadvantages. It is made up of a long chain polymer called polyurethane. Graduate thesis or dissertation nonisotropic fiber. Spandex and elastane are interchangeable terms that mean the same thing, but only the lycra company produces authentic lycra brand fibers. Commentlycra is the most familiar spandex fiber, and is duponts brand name for its spandex fiber. Us20040225101a1 high productivity spandex fiber process.
Pdf on mar 1, 2010, mani senthilkumar and others published dynamic. Recycling of waste nylon 6spandex blended fabrics by melt. Spandex fiber a synthetic fiber formed from polyurethane solutions or melts or by chemical formation polyurethane is prepared directly from a diisocyanate and diamine during fiber formation. Lycra is the brand name of the polyurethane or spandex fibre made by dupont. Highuniformity spandex and process for making spandex. China chemical fiber market weekly forecast may 26, 2020 may 26 2020 11. Spandex has become quite well known as a wonder fibre that has literally transformed the textile industry, for one. If you work in the apparel industry or simply have an interest in spandex textiles, this is the area for you. Compared to a number of other synthetic fibers, spandex fiber exhibit unique physical properties such as low weight, durability, resistance to body oils and perspiration, excellent elasticity, abrasion resistance, and toughness, owing to which it has found widespread acceptance in the. It is made up of a long chain polymer called polyurethane, which is produced by reacting a polyester with a diisocyanate. Spandex fiber is a manufactured fiber in which the fiber forming substance is a longchain synthetic polymer comprised of at least 85% of segmented polyurethane.
Spandex fibers are known by the trade names lycra and vyrene united states, spa and neoran japan, spanzelle great britain, and vorin italy. Spandex and elastane are interchangeable terms that. Synthetic fibers in costume collections 3 national park service conserve o gram 164 conserve o gram 164 national park service 2 synthetic fibers in costume collections silk, wool, and cotton, making it. Pdf stretch potential of woven fabrics containing spandex. Global spandex fiber market research report 2020 covid19. The present invention provides a spandex fiber with improved strength and excellent chlorine resistance, comprising a dialkyl sulfosuccinate corresponding to the following formula 1, where r 1 and r 2 are. Acrylic blends 1 check bamboobamboo blends 55 check cottoncotton blends 530 check linenlinen blends 8 check lurex blends 3 check lycra spandex. Virgin nylon 6 was obtained from ici plastics in the form of pellets. In fact, spandex fibers can be stretched to almost 500% of their length. Research into spandex polyurethane fiber started in the 1930s in germany. Effect of lycra percentages and loop length on the physical and. Spandex fiber market by production method, application 2022. Spandex fiber free download as powerpoint presentation. Contrary to popular belief, the term spandex is not a brand name, and this term is used to generally refer to polyetherpolyurea copolymer fabrics that have been made with a variety of production processes.
Dynamic elastic behavior of cotton and cotton spandex knitted. Mwcntthermoplastic polyurethane tpu nanocomposites onto. Md sohel khan department of textile engineering port city international university 2. Fiber and fabric book pdf free download download ebook pdf. Article information, pdf download for removal of spandex from. Lycra fibers have redefined comfort, fit, freedom of movement and shape retention in virtually every garment category since its first use as a substitute for rubber over 50 years ago. There is a rise in demand for spandex fiber from various enduser industries and an increase in application scope owing to its superior properties.
Spandex is a manufactured fiber in which the fiber forming substance is a longchain synthetic polymer comprised of at least 85% of a segmented polyurethane. Spandex is stronger, lighter, and more versatile and durable than rubber. The application of a renewable feedstock in the making of this new lycra bioderived fiber results in a lower co2 emissions footprint than spandex produced using traditional raw materials. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Lycra is a synthetic elastane fiber that can stretch up to six times its length and return to its original state time and again. High performance twisted and coiled soft actuator with. Latest on the novel coronavirus outbreak may 26, 2020 may. The terms spandex, lycra, and elastane are synonymous. This study specially analyses the impact of covid19 outbreak on the spandex fiber, covering the supply chain analysis, impact assessment to the spandex fiber market size growth rate in several scenarios. How spandex is made material, manufacture, making, history. Spandex or elastane is a synthetic fiber known for its exceptional elasticity. Dimethylformamide dmf and ethanol of analytical reagent grade were supplied by sigmaaldrich co.
It is expressly understood and agreed that the customer assumes and hereby expressly releases asahi kasei spandex america, inc. While i appreciate spandex for its comfort, embroidering on it can give even the most seasoned stitcher a riproaring headache. Spandex is being used in a continually widening array of clothing articles, including woven and knits, and synthetics and natural fibers. Pdf download for experimental investigation of effects of spandex. An essential contribution of the spandex fiber is that of furnishing local contraction of the fabric. Single jersey knitted fabrics are generally used to make underwear and outerwear such as tshirts. It was invented in 1959, and when first introduced it revolutionized.
Pdf dynamic elastic behavior of spandex elastane fiber plaited. Each spandex fiber will differ somewhat in length and composition depending on the exact value of x and n. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Pdf elastane fabricsa tool for stretch applications in sports. This paper introduces spxtca stca which is fabricated with spandex fibers. Spandex fiber market 2016 global forecasts to 2020 for the.
With this new lycra brand offering, invista provides a new fiber option to retailers and manufacturers of stretch fabrics and spandex, that can impact on the. The processing, structure and properties of elastomeric fibers. Apr 17, 2017 in the previous researches, tca was mainly fabricated with nylon 6,6 fiber, and nylontca ntca showed strong force outputs. Spandex market progresses for huge profits in future. Basic principles of spandex fiber production the polymer chain is a segmented block copolymer containing long, randomly coiled, liquid, soft segments that move to a more linear, lower entropy, structure. As already mentioned, polyurethane fiber spandex or elastane is a synthetic fiber known for its exceptional elasticity or stretchability.
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