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Nylon fiber
| Глоссарий терминов в легкой промышленности и текстиле |
- A manufactured fiber in which the fiber-forming substance is a long chain synthetic polyamide having recurring amide groups (-nh-co-) as an integral part of the polymer chain.
- A manufactured fiber in which the fiber forming substance is any long chain synthetic polyamide having recurring amide groups (-nh-co-) as an integral part of the polymer chain (ftc definition). the two principal nylons are nylon 66, which is polyhexamethylenedianime adipamide, and nylon 6, which is polycaprolactam. nylon 66 is so designated because each of the raw materials, hexamethylenediamine and adipic acid, contains six carbon atoms. in the manufacture of nylon 66 fiber, these materials are combined, and the resultant monomer is then polymerized. after polymerization, the material is hardened into a translucent ivory-white solid that is cut or broken into fine chips, flakes, or pellets. this material is melted and extruded through a spinneret while in the molten state to form filaments that solidify quickly as they reach the cooler air. the filaments are then drawn, or stretched, to orient the long molecules from a random arrangement to an orderly one in the direction of the fiber axis. this drawing process gives elasticity and strength to the filaments. nylon 6 was developed in germany where the raw material, caprolactam, had been known for some time. it was not until nylon 66 was developed in the united states that work was initiated to convert caprolactam into a fiber. the process for nylon 6 is simpler in some respects than that for nylon 66. although nylon 6 has a much lower melting point than nylon 66 (a disadvantage for a few applications), it has superior resistance to light degradation and better dyeability, elastic recovery, fatigue resistance, and thermal stability.
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Fib, английский
- Focused ion beam (sputtering)
- Focused ion beam
- Forward information base
Fib, английский
Fib, испанский
Acrónimo de format indicator bit [bit indicador de formato]
Fibble, английский
Fibel, немецкий
Fiber, английский
- General term for any long, narrow cell of wood.
- Волокно, нить
- A single optical transmission element characterized by a core, a cladding, and a coating. two common structures, single-mode (with a step-index profile) or multimode (with a graded-index profile) are used for fiber optic communication systems. different variations are made depending on the attenuation, bandwidth, dispersion, wavelengths, and mechanical requirements
- Us same as fibre
- Волокно
- [1] any substance (such as cotton, flax, or hemp) that can be separated into threads and twisted or braided together (i.e., to make rope). [2] the word has other meanings in anatomy (nerve, muscle, or connective tissue), botany (slender, threadlike root), nutrition (bulk, dietary fiber, roughage), optics (optical fiber), and as a character trait (moral fiber).
- Волокно; фибра о ~ in
- Term for a unit of any natural or synthetic textile raw material used for manufacturing fabric.
- Термин для единицы любого натурального или синтетического текстильного сырья, используемого для производства ткани.
- A unit of matter, either natural or manufactured, that forms the basic element of fabrics and other textile structures. a fiber is characterized by having a length at least 100 times its diameter or width. the term refers to units that can be spun into a yarn or made into a fabric by various methods including weaving, knitting, braiding, felting, and twisting. the essential requirements for fibers to be spun into yarn include a length of at least 5 millimeters, flexibility, cohesiveness, and sufficient strength. other important properties include elasticity, fineness, uniformity, durability, and luster. (also see manufactured fiber and natural fiber.)
Fiber, шведский
Fiber (fibre), английский
- The characteristic of wrought metal that indicates directional properties and is revealed by the etching of a longitudinal section or is manifested by the fibrous or woody appearance of a fracture. it is caused chiefly by the extension of the constituents of the metal, both metallic and nonmetallic, in the direction of working.
- The pattern of preferred orientation of metal crystals after a given deformation process, usually wiredrawing.
Fiber -, английский
Опалубка из древесно-волокни- стых материалов (листов, плит)
Fiber amplifier, английский
- Most common are the erbium doped fiber amplifiers (edfas), semiconductor optical amplifiers (soas), and raman amplifiers, which are used to increase signal gain without electrical conversion
- An optical fiber doped to amplify light from an external source. the most important type is the erbium-doped fiber amplifier.
Fiber amplifiers, английский
Optical amplifiers with doped fibers as gain media
Fiber angle, английский
Угол армирования
Fiber architecture, английский
The spatial arrangement of fibers in the preform. each architecture has a definite repeating unit.
Fiber axis, английский
Ось симметрии волокнистой текстуры, продольная ось проволоки
Fiber bandwidth, английский
The lowest frequency at which the magnitude of the fiber transfer function decreases to a specified fraction of the zero frequency value. often, the specified value is one-half the optical power at zero frequency.
Fiber bed filter, английский
Fiber bonding (binding), английский
Fiber bragg grating (fbg), английский
- A piece of photo-refractive fiber that is exposed to highintensity uv interference patterns, causing it to reflect a specific wavelength while being transparent to all other wavelengths. used as a filter in wdm systems
- An optical fiber in which the core refractive index varies periodically, causing bragg scatting at wavelengths selected by the period and refractive index. a fiber bragg grating reflects the selected wavelength and transmits others.
Fiber bragg gratings, английский
Reflective structures in the core of an optical fiber with a periodic or aperiodic perturbation of the effective refractive index
Fiber cables, английский
Cables containing one or several optical fibers
Fiber channel arbitrated loop, английский
Manufactured, английский
Definition, английский
- The fidelity of a television system to the original scene.
- Also called resolution. the fidelity with which detail is reproduced by a television system ranging from a fuzzy to a sharp appearance.
- The fidelity of reproduction of the pattern edge relative to the original master
- N дефиниция, определе- ние
- A verbal representation of a concept which serves to differentiate it from related concepts and allows humans to recognize and agree on the concept.
- Description of linear demarcation sensitivity or the detail sharpness of object outline in a radiologic test image. it is a function of screen type, exposure geometry, radiation energy, and characteristics sensor (such as film).
- Описание чувствительности к линейной демаркации или четкости контуров объекта на радиологическом контрольном изображении. это зависит от типа экрана, геометрии экспозиции, энергии излучения и характеристик датчика (например, пленки).
Designated, английский
- Assigned, specified
- Assigned, specified something intended for a specific person or purpose
Hexamethylenediamine, английский
1,6-diaminohexane, (h2n(ch2)6nh2). it is used in the polymerization reaction to form nylon 66. high-bulk yarn: see textured yarns.
Manufacture, английский
- (брит.) производство (в патентном законодательстве великобритании это понятие включает не только изготовление изделия, но и любой способ его сохранения, улучшения или восстановления)
- Изделие
Polymerization, английский
- The chemical combination of similar-type molecules to form larger molecules.
- A chemical reaction in which the molecules
- A chemical reaction in which the molecular weight of the molecules formed is a multiple of that of the original substances. polymer-modified stucco a stucco containing a small amount of acrylic resin to increase its workability.
- A chemical reaction wherein small molecules combine to form much larger molecules. (also see addition polymerization and condensation polymerization.)
- The chemical reaction in which a monomer combines with itself to form a long-chained molecule called a polymer.
- The chemical combination and recombination of the same unsaturated hydrocarbon with itself to form an extensive chain; the chemical process of combining similar molecules to form larger molecules.
Translucent, английский
- An object, material or vapor that transmits and diffuses light but not clear images. examples: frost gel and dense smoke. tip: use some rim light or back light.
- (1) pertaining to a medium which transmits light diffusely, so that objects viewed through it are not clearly distinguished. (2) transmitting light but causing sufficient diffusion to eliminate perception of distinct images.
- Descriptive of a material that transmits light but diffuses it sufficiently so that an image cannot be seen through the material clearly.
- Просвечивающий
- Светопрозрачный; полупрозрачный; просвечивающий
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Olefin fiber, английский
- A manufactured fiber in which the fiber-forming substance is any long chain synthetic polymer composed at least 85% by weight of ethylene, polyethylene, or other olefin unit. olefin fibers combine lightweight with high strength and abrasion resistance.
- A manufactured fiber in which the fiber-forming substance is any long chain synthetic polymer composed of at least 85% by weight of ethylene, propylene, or other olefin units. olefin fibers combine lightweight with high strength and abrasion resistance, and are currently being used in rope, indoor-outdoor carpets, and lawn furniture upholstery. (also see polyethylene fiber and polypropylene fiber.)
Aramid fiber, английский
- A manufactured fiber in which the fiber-forming material is a long chain synthetic polyamide having at least 85% of its amide linkages (-nh-co-) attached directly to two aromatic rings.
- A manufactured fiber in which the fiber-forming material is a long chain synthetic polyamide having at least 85% of its amide linkages (-nh-co-) attached directly to two aromatic rings (ftc definition). aramid fibers exhibit low flammability, high strength, and high modulus. fabrics made from aramid fibers maintain their integrity at high temperatures, such fabrics are used extensively in hot-air filters. aramids are also found in protective clothing, ropes and cables, and tire cord.
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