Brushes bristle

Filament is prepared by extrusion followed by hot stretching. It may be used for brush bristles or for decorative purposes such as in the manufacture of woven lampshades. 

Nylon 6,10 is quite rigid and is used in applications such as brush bristles Show the monomers that are used to prepare this polymer. 

In spite of its name, it uses hydrodynamic drag to exert a removal force on the siuface particles. Brush bristles do not contact the particle or the surface but rather act as oars or paddles that push liquid across the wafer surface, dislodging particles. This technique is effective for particles larger than 1 pm. It is suitable for both hydrophilic and hydrophobic wafers. 

Figure 28. Microphotographs showing some typical faults in screen cloths, (a) Faulty manufacturing, (b) damage caused by cleaning with hard brush bristles, (c) damage caused by cleaning with sharp tools...

Major polymer applications composites, textiles, brush bristles, tire cords, electrical and electronics (connectors, circuit breakers, capacitor housings), automotive (distributor caps, mirror housings, door knobs), housewares, lighting, power tools, sporting goods, plumbing... 

Figure 9. Magnetic brush (top) and magnetic brush bristle consisting of chain of large carrier beads covered with toner powder (bottom). Key A, pickup magnet and B, magnet. (Reproduced, with permission, from Ref. 50. Copyright 1974, Society of Photographic Scientists and Engineers.)...

Fishing lines, fish nets, brush bristles, food and medical packaging, coatings for wire and cable... 

Classification Thermoplastic polyamide Formula [NH(CH2)6NHCO(CH2)7CO]n Properties Solid dens. 1.080 m.p. 205 C Uses Thermoplastic resin for inj. molding and extrusion applies., film, extruded stock for machining brush bristles industrial monofilament cable/wire jacketing elec./automotive parts Manuf./Distrib. Aldrich http //www.sigma-aldrich.com... 

CAS 24936-74-1 26098-55-5 Synonyms Nylon 6/12 PA 612 Polyamide 612 Poly (hexamethylenedodecanediamide) Classification Thermoplastic polyamide Formula [NH(CH2)6NHCO(CH2)ioCO]n Properties Solid dens. 1.07 kg/l m.p. 210 C tens, str. ( yield) 60 MPa Uses Thermoplastic resin for molding, extrusion, films, brush bristles, industrial monofilament, cable/wire jacketing, elec./automotive parts food pkg. 

Free-radically produced poly(styrene) is atactic, having a glass transition temperature of 100°C. It is used mainly for injection-molded articles, e.g., household containers (flow temperature 140-160°C). A small quantity is used for highly oriented monofilaments for brush bristles and highly oriented films for insulation purposes. 

Flag [ME fiagge reed, rush] n. The end of a brush bristle, which divides into two or more branches. Flagging provides the brush with the ability to hold a greater amount of liquid coatings. 

Nylon 6/10 (polyhexamethylenesebacamide) n. The product of condensation of Hexam-ethylenediamine with sebacic acid, used for brush bristles and monofilaments. It has... 

Nylon monofilament n. Single strands much larger in diameter than those of staple fiber, used for fishing leaders and lines, brush bristles, racket strings, surgical sutures, and ropes. 

Fig. 20.24 The removal of dust particles by brush bristles (/ ) applying of conducting liquid film by a spray from a fine nozzle right). Image Copyright fiom loLiTec—Irmic Liquids Technologies GmbH...

Wherever plastic brushes are used, plastic brush bristles are allowed in the plutonium sweepings on the basis that the amount of plutonium swept together at one time is safely limited. 

Housewares Brush blocks and handles, broom and brush bristles, cocktail glasses, disposable dining utensils, dishwasher-safe tumblers, mugs, salad bowls, carafes, serving trays, and assorted drinkware, hangers, ice buckets, jars, and soap containers... 

The nylons are a family of polymers, the members of which have subtly different properties that suit them to one use or another. The two most widely used members of this family are nylon 66 and nylon 6. Nylon 6 is so named because it is synthesized from caprolactam, a six-carbon monomer. In the synthesis of nylon 6, caprolactam is partially hydrolyzed to 6-aminohexanoic acid and then heated to 250°C to bring about polymerization. Nylon 6 is fabricated into fibers, brush bristles, rope, high-impact moldings, and tire cords. 

Nylon 6/10 n (polyhexamethylenesebacamide) The product of condensation of Hexamethylenediamine with sebacic acid, used for brush bristles and monofilaments. It has lower water absorption and lower melting point than nylon 6 or 6/6. When a small amount of an alkyl-substituted hexamethylenediamine is added to the condensation mixture, a more elastic polymer known as elastic nylon is obtained. 

The next process that must be considered in paint application is film formation. The loading eind transfer of the pednt by a brush or a roller from the bulk container to the surface to be painted is followed by regular movement of the brush or roller over the surface to transfer the load of paint from the brush to the surface and spread it out in an even layer. During this process, hand pressure on the brush causes shearing and compression of the brush bristles or fibers of the rubber foeim or fibrous mat typically covering the surface of a hand roller. The flow processes involved are very complex and very difficult to analyze. However, some attempts have been made to calculate... 

Nylon 6,10 is produced by condensation polymerization of hexamethylene diamine and sebacic acid and is melt spun (mp 216°C) into fibers. It resembles nylon 6 and 6,6 in many ways but has a lower moisture regain (2.6°A. It is primarily used in brush bristles. 

---