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VIDEO ON THE TOPIC: Polymer melt spinning

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Chemical fibers global production 2000-2018

Yarn is a long continuous length of interlocked fibres , suitable for use in the production of textiles , sewing , crocheting , knitting , weaving , embroidery , or ropemaking. Modern manufactured sewing threads may be finished with wax or other lubricants to withstand the stresses involved in sewing.

Yarn can be made from a number of natural or synthetic fibers. Many types of yarn are made differently though. There are two main types of yarn: spun and filament. The most common plant fiber is cotton , which is typically [3] spun into fine yarn for mechanical weaving or knitting into cloth. Cotton and polyester are the most commonly spun fibers in the world.

Cotton is grown throughout the world. After harvesting it is ginned and prepared for yarn spinning. Polyester is extruded from polymers derived from natural gas and oil. Synthetic fibers are generally extruded in continuous strands of gel-state materials. These strands are drawn stretched , annealed hardened , and cured to obtain properties desirable for later processing.

Synthetic fibers come in three basic forms: staple, tow, and filament. Staple is cut fibers, generally sold in lengths up to mm. Tow is a continuous "rope" of fibers consisting of many filaments loosely joined side-to-side.

Filament is a continuous strand consisting of anything from 1 filament to many. Synthetic fiber is most often measured in a weight per linear measurement basis , along with cut length.

Denier and Dtex are the most common weight to length measures. Cut-length only applies to staple fiber. Filament extrusion is sometimes referred to as "spinning" but most people equate spinning with spun yarn production.

The most commonly spun animal fiber is wool harvested from sheep. For hand knitting and hobby knitting, wool and acrylic yarns are frequently used. Other animal fibers used include alpaca , angora , mohair , llama , cashmere , and silk. Natural fibers such as these have the advantage of being slightly elastic and very breathable, while trapping a great deal of air, making for some of the warmest fabrics in existence. Other natural fibers that can be used for yarn include linen [4] and cotton.

The finished product will also look rather different from the woolen yarns. Other plant fibers which can be spun include bamboo , hemp , maize , nettle , and soy fiber. T-shirt yarn is a yarn made directly from t-shirts , and the fiber composition is determined by the material the t-shirt is made from. In general, natural fibers tend to require more careful handling than synthetics because they can shrink, felt , stain, shed, fade, stretch, wrinkle, or be eaten by moths more readily, unless special treatments such as mercerization or superwashing are performed to strengthen, fix color, or otherwise enhance the fiber's own properties.

Some types of protein yarns i. Plant fibers tend to be better tolerated by people with sensitivities to the protein yarns, and allergists may suggest using them or synthetics instead to prevent symptoms. Some people find that they can tolerate organically grown and processed versions of protein fibers, possibly because organic processing standards preclude the use of chemicals that may irritate the skin [ citation needed ]. When natural hair-type fibers are burned, they tend to singe and have a smell of burnt hair; this is because many, as human hair, are protein-derived.

Cotton and viscose rayon yarns burn as a wick. Synthetic yarns generally tend to melt though some synthetics are inherently flame-retardant. Noting how an unidentified fiber strand burns and smells can assist in determining if it is natural or synthetic, and what the fiber content is.

Both synthetic and natural yarns can pill. Pilling is a function of fiber content, spinning method, twist, contiguous staple length, and fabric construction. Single ply yarns or using fibers like merino wool are known to pill more due to the fact that in the former, the single ply is not tight enough to securely retain all the fibers under abrasion, and the merino wool's short staple length allows the ends of the fibers to pop out of the twist more easily. Yarns combining synthetic and natural fibers inherit the properties of each parent, according to the proportional composition.

Synthetics are added to lower cost, increase durability, add unusual color or visual effects, provide machine washability and stain resistance, reduce heat retention or lighten garment weight. Spun yarn is made by twisting staple fibres together to make a cohesive thread, or "single. Spun yarns may contain a single type of fibre, or be a blend of various types. Combining synthetic fibres which can have high strength, lustre, and fire retardant qualities with natural fibres which have good water absorbency and skin comforting qualities is very common.

The most widely used blends are cotton - polyester and wool - acrylic fibre blends. Blends of different natural fibres are common too, especially with more expensive fibres such as alpaca , angora and cashmere. Yarn is selected for different textiles based on the characteristics of the yarn fibres, such as warmth wool , light weight cotton or rayon , durability nylon is added to sock yarn, for example , or softness cashmere, alpaca.

Yarn is composed of twisted strands of fiber, which are known as plies when grouped together. For a single ply yarn, the direction of the final twist is the same as its original twist.

The twist direction of yarn can affect the final properties of the fabric, and combined use of the two twist directions can nullify skewing in knitted fabric. The mechanical integrity of yarn is derived from frictional contacts between its composing fibers. The science behind this was first studied by Galileo. Filament yarn consists of filament fibres very long continuous fibres either twisted together or only grouped together. Thicker monofilaments are typically used for industrial purposes rather than fabric production or decoration.

Silk is a natural filament, and synthetic filament yarns are used to produce silk-like effects. Texturized yarns are made by a process of air texturizing filament yarns sometimes referred to as taslanizing , which combines multiple filament yarns into a yarn with some of the characteristics of spun yarns.

Slub Effect means a yarn with thick and thin sections alternating regularly or irregularly. Yarn may be used undyed, or may be coloured with natural or artificial dyes. Most yarns have a single uniform hue, but there is also a wide selection of variegated yarns:. Yarn quantities for handcrafts are usually measured and sold by weight in ounces or grams. Some companies also primarily measure in ounces with common sizes being three- ounce , four-ounce, six-ounce, and eight-ounce skeins.

Textile measurements are taken at a standard temperature and humidity, because fibers can absorb moisture from the air. There are several thicknesses of craft yarn, also referred to as weight. The Craft Yarn Council of America is making an effort to promote a standardized industry system for measuring this, numbering the weights from 1 finest to 6 heaviest. This naming convention is more descriptive than precise; fibre artists disagree about where on the continuum each lies, and the precise relationships between the sizes.

Another measurement of yarn weight, often used by weavers, is wraps per inch WPI. The yarn is wrapped snugly around a ruler and the number of wraps that fit in an inch are counted. Labels on yarn for handicrafts often include information on gauge , known in the UK as tension, which is a measurement of how many stitches and rows are produced per inch or per cm on a specified size of knitting needle or crochet hook.

Many other units have been used over time by different industries. Below are the images taken by a digital USB microscope. These show how the yarn looks in different kinds of clothes when magnified. From Wikipedia, the free encyclopedia.

This article is about the fibre product. For the type of joke, see Shaggy dog story. For the computing resource-management platform, see Hadoop. For the package manager, see Yarn package manager. For the music group, see Yarn music group. Main article: Spinning textiles. Archived from the original on Retrieved Bloomsbury Publishing USA. Norton, , p. Construction Materials Reference Book.

Physical Review Letters. Retrieved 24 April Amigurumi Bilum Doily. Broomstick lace Crocheted lace Filet crochet Hairpin lace Irish crochet. Crochet thread Dye lot Yarn. Knitting needle Knitting needle cap Needle gauge List of yarns for crochet and knitting Row counter Stitch holder.

Aran Argyle Fair Isle Intarsia. Walker Elizabeth Zimmermann. Neckline Felled seam Seam allowance Style line. Notions Trim. Sewing machine manufacturers. Textile arts. Byzantine silk Clothing and textiles Silk Quilting Silk in the Indian subcontinent Textile manufacturing by pre-industrial methods Textiles in the British Industrial Revolution Timeline of textile technology. Dyeing terms Sewing terms Textile manufacturing terms.

Textiles Warp and weft Yarn. More looms Kissing the shuttle Piece-rate list.

Introductory Chapter: Textile Manufacturing Processes

Polyester is a synthetic fiber derived from coal, air, water, and petroleum. Developed in a 20th-century laboratory, polyester fibers are formed from a chemical reaction between an acid and alcohol. In this reaction, two or more molecules combine to make a large molecule whose structure repeats throughout its length.

Reviewed: June 11th Published: August 28th Textile Manufacturing Processes.

The textile business laid the foundation for the expansion of Far Eastern Group, which began with spinning and weaving and expanded into upstream polyester synthetic fiber. Far Eastern Textiles Co. Far Eastern Group is the first textiles manufacturer in Taiwan to be vertically integrated and even now, revenue from the textile business accounts for one fifth of group-wide revenue, and still serves as an important core business for the Far Eastern Group. Far Eastern New Century formed the Synthetic Fiber Division and Textiles Division as part of a global strategy and to take advantage of group synergies. In , the annual capacity of polyester production in this division is expected to exceed 2 million tons, making the division one of the top five polyester producers globally.

EP1736577B1 - Yarn of leather collagen fiber and the process thereof - Google Patents

This records a decrease from the previous number of The data reached an all-time high of RSA: Textile Production. Try Now Explore our Data. Last Width Height Keep live. Freeze timeline. There is no data available for your selected dates. Get This Data max 1y 5y 10y bar line area spline areaspline column Apply. Agricultural and Sideline Food Processing.

China CN: Textile: Production: Chemical Fibre: Artificial: Viscose Filament Yarn

Additional Information. Show source. Show sources information Show publisher information. This statistic was assembled from several IVC chemical fiber industry updates.

Yarn is a long continuous length of interlocked fibres , suitable for use in the production of textiles , sewing , crocheting , knitting , weaving , embroidery , or ropemaking. Modern manufactured sewing threads may be finished with wax or other lubricants to withstand the stresses involved in sewing.

Since its foundation, CHJTDI has already, for more than customers, completed more than projects of engineering design, consultation, supervision or general contracting of large, medium and small-scale enterprises both at home and abroad. Among them. Major customers are as followings: RGM international business group Singapore and its subsidiary companies: Sateri Jiangxi chemical fiber Co. Sateri Fujian chemical fiber Co.

TECHNIСAL TEXTILE AND RAW MATERIALS SALON

The raw material sector is the basis of the Fair's structure because the Salon has no analogs in the Russian market! Textiles for clothes and footwear - Protective textiles - 9. Sports textiles - 8.

SEE VIDEO BY TOPIC: Viscose fiber production line

Rayon is a manufactured fiber made from natural sources such as wood and agricultural products that are regenerated as cellulose fiber. The many types and grades of rayon can imitate the feel and texture of natural fibers such as silk , wool , cotton , and linen. The types that resemble silk are often called artificial silk. Rayon is manufactured from natural cellulose, and hence is not considered to be synthetic. In manufacturing terms, rayon is classified as "a fiber formed by regenerating natural materials into a usable form".

Textile Processing

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Beginning with spinning and weaving and later expanding to the upstream polyester Far Eastern Group is the first textiles manufacturer in Taiwan to be vertically Far Eastern New Century's Hsinpu fiber plant and Kuanyin plant in Taiwan, The manufacturing and selling of cotton fabrics, flannelette, satin, chemical fiber.

Cixi Xingke Chemical Fibre Co. The registered capital of the company is Based on the concept of resource recycling and environmental protection, the company recycles 4 billion beverage bottles each year to make textile products, and has an annual production capacity of , tons of polyester POY filaments, which is one of the largest renewable POY companies in the world.

Zhangjiagang Taihao Chemical Fiber Co., Ltd.

We have a wide range of Textile Processing Chemicals, which are high in demand for being mild and effective. In addition to our fiber shop is our custom fiber processing mill, which opened February 1st, Links to related sites. The necessary steps in the textile.

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