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Topic: Synthetic fibers

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	Synthetic fur and process for preparation thereof - Patent 4332585
		For example, polyester fibers and polyamide fibers may be used in combination, while formic acid, phenol or dimethyl sulfoxide is used as the solvent, to produce the guard hair-like raised fibers consisting of the undissolved polyester fibers and the underfur-like raised fibers consisting of the partially dissolved and thus shortened polyamide fibers.
		The staple fibers were blended with staple fibers (circular cross-section, monofilament fineness of 3 deniers, fiber length of 51 mm) made of an ethylene terephthalate polymer containing 5% by mole of copolymerized polyoxyethylene glycol (molecular weight of 600) at a ratio of 40:60.
		Polyethylene terephthalate staple fibers were prepared as described in Example 3 for the preparation of the staple fibers A. A blend of modified polyethylene terephthalate containing 2.0% by mole of copolymerized sodium 3,5-di-(carboxy)-benzenesulfonate and having an intrinsic viscosity of 0.50, as measured in an o-chlorophenol solution at 35.degree.
	www.freepatentsonline.com /4332585.html (4622 words)

	DuPont Heritage: Synthetic Textile Fibers
		The first to be developed was Orlon® acrylic fiber, a DuPont invention which proved an effective substitute for wool in sweaters, pile fabrics and carpeting.
		Dacron® polyester fiber, a British invention licensed by DuPont in the late 1940s, was briefly the company’s most profitable fiber when double-knits became fashionable in the early 1970s and was a steady seller as a component of wash-and-wear fabrics.
		Synthetic textile fibers were generally produced in one of two ways.
	heritage.dupont.com /floater/fl_textilefibers/floater.shtml (681 words)

	Knit-O-Rama! Synthetic Fibers Page
		Synthetics are known for "pilling" (those nasty little balls of fluff that collect on the surface of a knit) although there are now some higher grades of synthetic yarn that combat this tendency for fuzz.
		Synthetics tend to plague the wearer with static cling.
		Many synthetics are blended with natural fibers to achieve the best of both; the finer qualities of the natural fibers with the economy and durability of the synthetic.
	www.knit-o-rama.com /synthetic.html (795 words)

	Synthetic Fibers: Teacher Essay
		On the other hand, the first synthetic fibers made into consumer products did transform some material aspects of daily life in the U.S. While the invention and development of synthetic fibers was not miraculous, their appearance represented a revolution for both producers and consumers of textile products.
		Synthetic fibers produced in a lab still needed to be processed to make commercial goods.
		Although the amount of oil consumed in the production of synthetic fibers is but a small fraction of that consumed by automobiles, the industry was built on an assumption that oil would be cheaply and infinitely available.
	invention.smithsonian.org /centerpieces/whole_cloth/u7sf/u7materials/sfTessay.html (2175 words)

	Synthetic fiber - Wikipedia, the free encyclopedia
		Synthetic fibers are the result of an extensive search by scientists to increase and improve upon the supply of naturally occurring animal and plant fibers that have been used in making cloth.
		Modern fibers that are made from older man-made materials include:
		The original source of this article and much of the synthetic fiber articles (copied with permission) is Whole Earth magazine, No. 90, Summer 1997.
	en.wikipedia.org /wiki/Synthetic_fibers (127 words)

	Synthetic Vitreous Fibers: Frequently Asked Questions (Site not responding. Last check: 2007-11-07)
		Most fibers suspended in air from insulation materials settle quickly, but some smaller diameter fibers may remain suspended and be carried some distances by wind before settling.
		When synthetic vitreous fibers are suspended in air they can cause irritation of the eyes, the nose and throat, and parts of the lung.
		IARC determined that refractory ceramic fibers are possibly carcinogenic to humans because of their relatively high biopersistence and the findings of cancer in animals that repeatedly breathed in high levels of refractory ceramic fibers.
	toxic-torts.injuryboard.com /synthetic-vitreous-fibers (1159 words)

	High Performance Synthetic Fibers for Composites -- Executive Summary (Site not responding. Last check: 2007-11-07)
		High-performance synthetic fibers are key components of composite materials, a class of materials vital for U.S. military technology and for the civilian economy.
		New fibers and improvements in fiber properties that are needed for the various types of structural composites are discussed.
		The market for a low-price, high-performance fiber could be extremely large, rivaling that of the present synthetic fiber industry.
	www.nap.edu /execsumm/0309043379.html (3995 words)

	Ceramic Fibers and Coatings: Advanced Materials for the Twenty-First Century -- Executive Summary (Site not responding. Last check: 2007-11-07)
		The scope of this study was limited to fibers and their coatings or interfaces, independent of CMC processing and matrix materials, to bring to the forefront the current limitations on the strength and toughness of CMCs, particularly at high temperatures.
		By limiting the scope of this study to fibers and their coatings, independent of CMC processing and matrix materials, the committee was able to focus on issues that limit the strength and toughness of CMCs, particularly at high temperatures.
		Polycrystalline oxide fibers are produced in tows of 200 to 1,000 fibers with diameters of 10 to 16 µm (0.39 to 0.63 mils).
	www.nap.edu /execsumm/0309059968.html (5394 words)

	Quench process for synthetic fibers using fog and flowing air - Patent 4277430 (Site not responding. Last check: 2007-11-07)
		quenching the freshly spun fiber in the quench stack with a combination of flowing air and airless atomized water in the form of a fog, and c.
		Use of steam to condition fiber in the quench stack is also known, but does not utilize the latent heat of vaporization to cool the filaments which is available by use of fog.
		The quenching of the fibers is due entirely to the effect of the fog in conjunction with the air flow.
	www.freepatentsonline.com /4277430.html (2455 words)

	Unit 7: Synthetic Fibers
		The use of a particular fiber for a particular textile is determined by its physical and chemical properties.
		We usually think of fibers made from animal or plants as natural, while those produced in a laboratory are synthetic but, as you can see, the reality is more complex.
		The results should tell you which fiber is natural (protein based) and which is synthetic and give some idea of each fabric's durability.
	invention.smithsonian.org /centerpieces/whole_cloth/u7sf/u7materials/sfPac5.html (1572 words)

	Biopersistence of Respirable Synthetic Fibers and Minerals
		It is probable that exogenous particles and fibers concentrate in some areas of the parietal pleura, similar to the anthracotic zones observed during thoracoscopy.
		Were synthetic fibers to be made that were both respirable and biopersistent, they might well represent a health hazard for the exposed workers.
		As the chrysotile fibers are not biopersistent, the residual amphiboles serve as a marker of total exposure.
	ehp.niehs.nih.gov /members/1994/Suppl-5/devuyst-full.html (1951 words)

	synthetic textile fibers on Encyclopedia.com (Site not responding. Last check: 2007-11-07)
		Such artificial fibers are usually long-chain polymers, produced industrially by the condensation of many small units.
		Orlon is the trade name for a polyacrylonitrile fiber made from natural gas, oxygen, and nitrogen.
		Dacron is the trade name for a polyester fiber of great strength and wrinkle resistance.
	www.encyclopedia.com /html/s1/synthtex.asp (304 words)

	Biopersistence of Respirable Synthetic Fibers and Minerals (Site not responding. Last check: 2007-11-07)
		The fibers tested were of various chemical compositions and were either continuously drawn (average diameter 10 µm) or processed as wool with different diameters (average diameters 1, 5, and 20 µm).
		The ratio of the surface area developed by the fibers to the volume of the solution (i.e., the flow rate in dynamic experiments) is an important parameter for the determination of the dissolution rate.
		To assess the influence of the fiber diameter on the dissolution rate, fibers with the same chemical composition (a modified slag) were produced by the TOR process with different average fiber diameters, 0.8, 3.7 and 19.7 µm.
	ehp.niehs.nih.gov /members/1994/Suppl-5/thelohan-full.html (2910 words)

	Nat' Academies Press, High Performance Synthetic Fibers for Composites (1992)
		Over the past few years it has been shown that the strength of SiC and Si fibers is a very strong function of the flaw content of the final ceramic and that this flaw content is, to a very large extent, a function of impurities and lack of homogeneity in the starting polymer.
		It was also established that all Si-based ceramic fibers derived from polymeric precursors are classically brittle materials and that they all fit a universal curve of strength (at room or elevated temperature) versus reciprocal root of flaw size, as shown in Figure 3.6.
		As already stated, to maximize ceramic fiber properties, the cure step must minimize introduction of oxygen and, because of fiber instability and brittleness, be kinetically compatible with spinning speeds as much as possible.
	books.nap.edu /books/0309043379/html/66.html (602 words)

	Safety and Health Topics: Synthetic Mineral Fibers (Site not responding. Last check: 2007-11-07)
		Synthetic mineral fibers are fibrous inorganic substances made primarily from rock, clay, slag, or glass.
		These fibers are classified into three general groups: fiberglass (glasswool and glass filament), mineral wool (rockwool and slagwool), and refractory ceramic fibers (RCF).
		There are more than 225,000 workers in the U.S. exposed to synthetic mineral fibers in manufacturing and end-use applications.
	www.osha-slc.gov /SLTC/syntheticmineralfibers (291 words)

	Textile Machinery Operators (Site not responding. Last check: 2007-11-07)
		To prepare the fiber for spinning, very short fibers and foreign matter are removed, and the fibers are drawn into a substance called sliver.
		To produce this fiber, wood pulp or chemical compounds are melted or dissolved in a liquid, which is then extruded, or forced, through holes in a metal plate, called a spinneret.
		Because this fiber is created through a chemical process, chemical companies, not textile mills, employ the majority of these workers.
	www.umsl.edu /services/govdocs/ooh20002001/128.htm (1858 words)

	Fabric University - Fabric History (Site not responding. Last check: 2007-11-07)
		Polyester is the most used man-made fiber in the U.S. The first commercial production of triacetate fiber in the United States was in 1954 by the Celanese Corporation.
		The first commercial production of micro fiber in the U.S. was in 1989 by E. du Pont de Nemours & Company, Inc. Today micro fibers are produced in a variety of synthetic fibers (i.e.
		The true definition of a micro fiber is a fiber that has less than one denier per filament.
	www.fabriclink.com /History.html (663 words)

	International Fiber Corporation — Synthetic Fibers
		International Fiber Corporation manufactures short fibers (average fiber lengths ranging from 500 to 3000 microns) using nylon, polyester and acrylic fibers.
		These Synthetic Fibers offer superior strength, dimensional integrity and weatherability in applications as diverse as plastic molded items, batteries and upholstery.
		Nylon fibers are characterized by exceptional strength, abrasion resistance, and dimensional stability.
	www.solkafloc.com /products/synthetic.php (198 words)

	Elevated container for the storage of synthetic fibers or the like - Patent 4770313
		A lightweight container for storing synthetic fibers, liquids granular materials and the like above the level of the floor has a bottom wall and a plurality of upright side walls joined together and attached to the bottom wall.
		This holds true, in particular, for endless synthetic fibers delivered continuously by the spinnerets which must, in certain cases, placed in intermediate storage directly after manufacture or after the drafting step.
		Any severing of the endless fibers is disadvantageous for the further treatment which in all cases is conducted continuously, so that also for this reason elevated containers are required having a large capacity.
	www.freepatentsonline.com /4770313.html (1615 words)

	Synthetic Fibers: Machines and Equipment Manufacture, Properties
		This is the first English language text covering the design of machines and equipment for the production of synthetic fibers.
		From the Preface: “One hundred years of chemical fibers, and of these more than fifty years of synthetic fibers, do demand an inventory of the required technologies.
		While there is literature for the chemistry of the chemical and synthetic fibers, as well as for the processes and the textile testing technology, it is hardly possible to find comprehensive desciptions from installation, equipment and machinery manufacture through production of synthetic fibers and filaments and the manipulation of their properties...”
	www.polysurfacesbookstore.com /pages/3275.html (217 words)

	Barnet Fibers, Polymers & Yarns
		Barnet is a global supplier and processor of synthetic fiber, synthetic yarn and polymer
		Barnet maintains a broad and extensive line of fibers which include polyester, nylon, rayon, polypropylene and acrylic.
		Barnet Shanghai is the representative office for William Barnet and Son, LLC and will actively promote their synthetic fibers, yarns, polymers and by-products to the China market.
	www.barnet-europe.com (589 words)

	Artificial and Synthetic Fibers and Filaments Manufacturing in the USA
		Rayon, acetate, and lyocell are primary cellulosic fibers.
		The main synthetic fibers - polyester, nylon, acrylic, polyolefin, and spandex - are produced from refined petroleum or natural gas.
		Noncellulosic organic fibers include acrylic fibers and filaments, acrylonitrile fibers and filaments, nylon fibers, polyester fibers, polyvinyl ester fibers, and spandex fiber.
	www.textile-info.com /1734.htm (747 words)

	Fiber Innovation Technology : bicomponent and specialty fibers
		Fiber Innovation Technology, Inc. is designed, built and operated to produce specialty synthetic fibers for demanding applications in textiles and nonwovens.
		We are staffed with people from throughout the manufactured fiber industry and with unmatched breadth and depth of relevant experience.
		Fiber Innovation Technology offers diverse capabilities to develop and manufacture bicomponent and other customized fibers.
	www.fitfibers.com (174 words)

	Barnet Synthetic Fibers
		As we are one of the leading global companies in our area, we also have access to products worldwide, which means that we have the possibility to offer almost any fiber required.
		We handle first grade fibers as well as substandard fibers and regenerated fibers (in all available grades) in semi-dull, bright and fl, from every imaginable origin.
		We carry a large inventory of fiber and tow in our warehouse in Aachen, Germany, which enables us to make just-in-time deliveries to our customers throughout Europe.
	www.barnet.com /html/fibers.html (204 words)

	Safety and Health Topics: Synthetic Mineral Fibers - Health Hazards
		There is insufficient evidence that synthetic mineral fibers cause respiratory disease in humans.
		This document is a summary of data reported and an evaluation of special glass fibers such as E-glass and '475' glass fibers, ceramic refractory fibers, insulation glass wool, continuous glass filament, rock (stone) wool, and slag wool.
		This document is a summary of data reported and an evaluation of glasswool, glass filaments, rockwool, slagwool, and ceramic fibers.
	www.osha.gov /SLTC/syntheticmineralfibers/recognition.html (462 words)

	ETD 619, Synthetic Fibers (Site not responding. Last check: 2007-11-07)
		It will focus on the chemical spinning of synthetic polymers to fibers and characterization and utilization of these fibers in textile and other applications.
		To gain an appreciation of the vocabulary, applications and versatility of synthetic polymers used to produce Textile Fibers.
		To obtain an understanding of methods of characterization of the synthetic fibers.
	rrc.engr.wisc.edu /ETD619.html (137 words)

	The Fiber Shop; What's Up With Fibers and fiber cutters?
		If you need the most up-to-date and newest inside-out cutting design in a short cut synthetic fiber cutter, you will need to look at this proposal.
		Delivering the best in fiber cutters, custom cutting, cotton linter pulps and other fiber related products to the industries of textiles,nonwovens, paper manufacturing, concrete, and paint and coatings.
		Fiber cutters, cotton linter pulp, speciality pulps, and custom cutting.
	www.thefibershop.com (74 words)

	Conductive synthetic fibers to boost your product properties
		Mixing these fibers with other materials will result in light colors adopting a "chiné" effect.
		Long term experience in the field of synthetic and natural yarns and fibers enables us to guide you in the right direction.
		Knowing well the properties and performance of all the yarns and fibers and after many years of excellent contacts with the synthetic and natural fiber producers we are confident to be able to assist you.
	www.swicofil.com /innovationconductivitysynfiber.html (395 words)

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