Belting and Hoses

The trade name of a polyester fibre used as textile reinforcement for mbber in products such as tyres, belting and hose. It is a truly synthetic fibre made from polyethylene terephthalate, a condensation product of terephthalic acid and ethylene glycol. 

Cords used for reinforcement of such products as drive belts, V-belts and hose require treatment with RFL to achieve the ultimate adhesion to the rubber compound. Although many simple systems can be built in house it can often be preferable to purchase a custom built unit. The dipping and drying units are usually built in tandem, with let-off and wind-up units attached. 

Carpets and rugs, 74% industrial and other (tire cord and fabric, rope and cord, belting and hose, sewing thread), 16% apparel (especially hosieiy, anklets, and socks), 10%... 

Since EPDM rubber is costly and the price fluctuates widely, high filler and oil loadings are resorted to, to achieve relatively low cost compounds. But these compounds tend to have poor strength and abrasion resistance. High quality stocks, especially those with peroxide cures, are considerably more expensive than NR, BR or SBR stocks. EPDM is used in belts and hoses meant for conveying hot materials because of its excellent heat resistance. Its excellent chemical resistance makes it a preferred rubber for specialty belts, chemical hoses and pump liners. 

The introduction of rayon, nylon and other manmade fibers with their greater strengths per unit cross sectional area compared with cotton fabric has led to the use of rubber coated fabrics in the manufacture of various engineering products such as tyres, beltings and hoses and also several specialty products for the chemical process industries. The arduous service conditions prevailing... 

Rubber is used as a composite with textile fabrics in such products as belting and hose and also as a coating on the fabric to form proofed materials. 

Acrylonitrile-butadiene rubber (NBR) may be reduced in [BMIMJfBFJ using the catalyst RuHCl(CO)(PCy3)2 [32] the saturated product is a very useful engineering polymer with applications in oil seals, timing belts, and hoses [33]. An enhanced reaction rate has been observed. The same reaction was reported in a range of haHde-free IL mixtures based on dialkylimidazolium cations and the tetrafluoro-borate anion [34]. 

Textile cords or fabric and even steel cords constitute an important part of all rubber belting and hoses. The various types of cords used in the tire industry are also in use in the belting industry. 

NR compounds have better heat ageing characteristics, and hence they are used preferably as seals and gaskets, as food can sealants and teats, and as soothers, as well as for the production of gloves. In food processing equipment, NR compounds are found in the belting and hosing products mostly (for both aqueous and fatty foodstuff), and in dairy hosing milk liners. 

This section discusses elastomeric materials such as thermoplastic elastomers (TPEs), TPVs, and other rubber systems such as thermoset elastomers/rubbers (TSRs) invoked in automotive applications apart from their use as impact modifiers in polymer blends. If one starts from nnder the hood, elastomers are used primarily in belts and hoses, bellows, and gaskets. At the separation between engine compartment and the interior, elastomers are used for sound management. Inside the car, they are used in floors, instrument panel skins, instrument panels for soft touch, gaskets for side mirrors, and so on. Outside the car, they can be fonnd in tires (base tire, treads, side walls) and, finally, they are used in wire and cables and coatings in almost aU parts of the car as needed. 

Rubber products such as tyres, belts and hose rely on reinforcement by textiles to achieve the required physical properties. To effect reinforcement, textile and rubber must be adequately bonded together, and to promote adhesion, there is a range of treatments to suit most fibre-rubber systems. The adhesion-promoting material (dip) is usually a terpolymer latex of butadiene-styrene-vinyl pyridine (or a blend of SBR and vinyl pyridine), which bonds well to the fibres, together with a resorcinol formaldehyde precondensate, which, on curing, bonds well to mbber a three-dimensional resin network is formed. 

Adhesives for textile fibre bonding A J G SAGAR Non-woven materials, flocking, tyres, belts and hose... 

MAJOR APPLICATIONS Cut, heat, and buUet-fragment resistant apparel, brake and transmission friction parts, gaskets, ropes and cables, composites, fiber-optic cables, circuit-board reinforcement, sporting goods, tires, automotive belts and hoses. 

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