Fiber bristle

Use Packaging of food products specially meats and poultry, insecticide-impregnated multiwall paper bags ipes for chemical processing equipment seat cvers upholstery fibers bristles latex coatings. 

Fiber bristle A generic term for a short stiff, coarse fiber. 

Precaution Combustible butself xtinguishing Uses Thermoplastic polymer for extmsion or inj. or blow molding in adhesion coalings for paper food pkg. pipes for chemical processing upholstery fibers bristles latex coatings in paper/paperboard in contact with aq./fally foods... 

Nylon 6 is fabricated into fibers, bristles, rope, high-impact moldings, and tire cords. 

Spandex fibers, bristles for brushes, cushions and mattresses (as foam)... 

P.R.176 provides very lightfast polyacrylonitrile spin dyeing products. The samples equal step 6-7 on the Blue Scale. Dry and wet crocking may affect the objects to a certain extent. P.R.176 is also used in polypropylene spin dyeing, especially for coarse textiles, such as carpet fibers, split fibers, filaments, bristles, or tape, but also for finer denier yams. A special pigment preparation for this purpose is commercially available. 1/3 SD samples tolerate exposure to up to 300°C for one minute or up to 290°C for 5 minutes. In terms of lightfastness, 0.1% colorations equal step 5-6 on the Blue Scale, while 2% samples match step 7. 

PBT is easily made into fiber and monofilament and has been used in some fiber applications. For example, PBT fibers are used commercially as toothbrush bristles. Compared to PET, PBT fiber is more resistant to permanent deformation. Compared to nylon, PBT shows almost no change when exposed to moisture. PBT shows much more resistance to staining than nylon and can be colored by the use of pigments. However, PBT is more difficult to color by solution dying than nylon. PBT is not typically used in textile applications due to its perceived high price. 

The tensile strength (how much pressure can be applied on the ends of a fiber before it breaks) of polymers is very dependent on the molecular weight and, although nylon 6,6 was made ten years earlier, the technical production problem of obtaining good molecular weight had to be overeome before it was used as a substitute for silk. Another example of a common polyamide is nylon 6,10, used as bristles in brushes. 

The husk is 5-10-cm-thick fibrous cover adhering to the coconut shell. Like the shell, it is also used mainly for fuel in farms. Products derived from the husk are coir, bristle, rubberized fiber, rope, geotextiles, and activated carbon. 

Miscellaneous fibers come from the sheathing leafstalks of palms, stem segments, stems, and fibrous husks. They are used primarily for brush and broom bristles, matting, and stuffing. 

The discovery of nylon is one example. In 1928, E.l. DuPont de Nemours and Company appointed a young, 32-year-old chemist from Harvard, Wallace Carothers, as the director of its new research center. The goal was to create artificial fibers similar to cellulose and silk. In 1930, Julian Hill, a member of Carothers team, dipped a hot glass rod in a mixture of solutions and unexpectedly pulled out long fibers such as the one shown in Figure 1-14. Carothers pursued the development of these fibers as a synthetic silk that could withstand high temperatures and eventually developed nylon in 1934. Nylon s first use was in a toothbrush with nylon bristles. During World War 11, nylon was used as a replacement for silk in parachutes. Nylon is used extensively today in textiles and some kinds of plastics. 

Use Manufacture of synthetic fibers (especially nylon 6), plastics, bristles, film, coatings synthetic leather, plasticizers and paint vehicles, cross-linking agent for polyurethanes, synthesis of amino acid lysine. 

Fibers, films, and bristles are examples of extruded forms. Plastics may be shaped by either compression molding (direct pressure on solid material in a hydraulic press) or injection molding (injection of a measured amount of material into a mold in liquid form). The latter process is most generally used, and... 

Use Chiefly in so-called spandex fibers for girdles and other textile structures requiring exceptional elasticity, bristles for brushes, etc. 

Major polymer applications packaging, bottles, film, fiber, textiles, brush bristles, composites, electrical, automotive, housewares, lighting, power tools, sporting goods, plumbing... 

Mechanical force and surface chemical finesse must be used to overcome van der Waals forces, which may account for as much as 75% of the total adhesion ( 3, 4) (Figure 16). A rapidly rotating fiber brush is often used to produce a local cloud of toner, which is then drawn away through a vacuum filter. The bristle tips may be "flicked" against a bar or edge to free them of dust. Teflon fiber brushes ( 5), stearate wax dispensers ( 6), and fluorocarbon powder ( 7.) have been effectively used to deposit thin low-energy films on the photoconductor surface to facilitate release. 

Fluorocarbon fibers Horsehair, artificial nylon Linear esters fibers Modacrylic fibers Nylon fibers and bristles Olefin fibers... 

It is found as a component of fungal and bacterial cell-walls, in insect cuticles, and as the shell of crustaceans. Being so similar to cellulose in chemical composition, its structure is important, if for no other reason than that comparison of the two structures might aid in our understanding of each. The similar fibrillar fine-structure (see Fig. 12) of these two polysaccharides is noteworthy, as the lateral forces between molecules are different. Although chitin does not occur in Nature specifically as a fiber, it is frequently found well-oriented in bristles and as tendon material. Samples from invertebrates are usually admixed with protein and carbonate, both of which must be removed before x-ray diagrams of high quality can be obtained. 

Polynrethane (PU) was first synthesized in the 1930s by German chemist Otto Bayer (1902-1982), who was trying to prepare a nylonfike fiber. PU is a versatile polymer that is used for rigid and flexible foams, bristles, coatings, fibers, and automobile parts, such as bumpers. Other synthetics are nsed in products such as stretchable fabrics and binders for paints. 

MAJOR APPLICATIONS Blow molded bottles. Extruded film and sheets for food packaging, including blend, multilayer, and laminate with nylon 6, PET, and polyolefins. Monofilament for bristle and filter cloth. Glass fiber reinforced injection molding materials used to make parts for the automotive, machine, electrical/electronic, civil engineering, sports, and other industries as a metal substitute. 

MAJOR APPLICATIONS Molding plastic, molecular component of polyether ester thermoplastic block copolymer elastomer, fiber and plastic forming, used in tooth and paint brush and in bristles and filler fabrics. 

In fine wools, such as those obtained from Merino sheep, the cuticle is normally one eell thick and usually constitutes about 10% by weight of the total fiber. By contrast, human hair cuticle may contain up to 10 layers of cells and pig bristle cuticle, about 35 layers. Sections of cuticle cells show an internal series of laminations comprising outer sulfur-rich bands known as the exocuticle and inner regions of lower sulfur content called the endocuticle. On the exposed surface of cuticle cells, a membranelike proteinaceous band (epicuticle) and a unique lipid component form a resistant barrier. These moieties are the functional components of the fiber surface and are significant in fiber protection and textile processing. 

The Ennor- and Nakano-type equipment perform the same functions with somewhat different mechanisms. Their respective productivity is 1.5 and 4 times that of the Fehrer equipment, and they produce mattress and bristle fiber in a 70 30 ratio. 

In India, too, the brown fiber is produced in the mattress, bristle, and decorticated variety. Indian bristle fiber is not long enough for brush-making mixed with decorticated and mattress fiber, it is used for twisting. The decorticated fiber and mattress fiber are also used for stuffing mattresses and upholstery. 

IR spectra of treated and untreated bristle coir fibers have also been studied [178], No significant change was noted in the acetic acid-treated fibers in the alkali-treated fibers, a small absorption peak at 1740 cm (perhaps due to carbonyl group) disappeared. With the alkali treatment, the absorption band of 910-1200 cm of the untreated fibers changed to a strong absorption peak at 1020 cm The HCl-treated fiber exhibited a light shift in the absorption peak from 1600 cm to 1620 cm ... 

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