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INTRODUCTION

Synthetic rubber is any type of artificially made polymer material which acts as an elastomer. An elastomer is a material with the mechanical (or material) property that it can undergo much more elastic deformation under stress than most materials and still return to its previous size without permanent deformation. Synthetic rubber serves as a substitute for natural rubber in many cases, especially when improved material properties are needed.
Natural rubber coming from latex is mostly polymerized isoprene with a small percentage of impurities in it. This will limit the range of properties available to it. Also, there are limitations on the proportions of cis and trans double bonds resulting from methods of polymerizing natural latex. This also limits the range of properties available to natural rubber, although addition of sulfur and vulcanization are used to improve the properties.
However, synthetic rubber can be made from the polymerization of a variety of monomers including isoprene (2-methyl-1,3-butadiene), 1,3-butadiene, chloroprene (2-chloro-1,3-butadiene), and isobutylene (methylpropene) with a small percentage of isoprene for cross-linking. Furthermore, these and other monomers can be mixed in various desirable proportions to be copolymerized for a wide range of physical, mechanical, and chemical properties. The monomers can be produced pure and addition of impurities or additives can be controlled by design to give optimal properties. Polymerization of pure monomers can be better controlled to give a desired proportion of cis and trans double bonds

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STYRENE BUTADINE RUBBER (SBR)
Styrene Butadine Rubber is made from styrene and butadiene by low temperature emulsification polymerization and has various rubber characteristics for common use. This is the highest volume general purpose synthetic rubber. It is very weak unless reinforcing fillers are incorporated. With suitable fillers, it is a strong rubber, although not approaching natural rubber or polychloroprene. Otherwise, it has similar chemical and physical properties to natural rubber, with generally better abrasion resistance but poorer fatigue resistance.
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NITRILE BUTADINE RUBBER (NBR)
The Nitrilast rubber is a product of low temperature co-polymerisation of butadiene with a CAN, using an emulsifier – tail of potassing soap or mixture of soaps on the rosin and fatty acids. The vulcanizate of Nitrilast differs from its analogues by higher physico-mechanical figures and by higher benzene and oil resistance. The vulcanizate, extended by Nitrilast, considerably exceed abrasion resistance of NR. The grades of this rubber as Nitrilast 18, 18M have also a great coo-resistance. The rubber can be mixed with polyvinylchlorvinyl resin, phenolformaldehyde, acrylonitrilestyrene and other resins that may be used also as peptizer agents.
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POLY-BUTADINE RUBBER (PBR ND)

PBR Nd is a product of butadiene solution polymerization with neodymium compounds used as a catalyst. This rubber is used for production of tyres, rubber-technical articles and in other areas of application. PBR Nd is gel free, cis chains content is atleast 96%.

 

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ISOPRENE RUBBER (IR)
Synthetic Isoprene Rubber is used for the production of various rubber-technical articles, including food applications, rubber footwear, sporting goods, bonding compounds, tires, and water repellant compositions.
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HIGH-STYRENE RUBBER (HSR)-1904
HSR-1904 is a product of co-coagulation of rubber SBR 1500 and of high-styrene resin. HSR-1904 is produced in the form of granules.
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Butyl Rubber (IIR)
Butyl Rubber is used in the production of tire inner tubes, diaphragms of shaper-vulkanizers, latex of butyl rubber  and numerous other applicatons.
 

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Chlorobutyl Rubber (CIIR)

Chlorobutyl Rubbers are products of butyl rubber chlorination with unsaturation of atleast 1.8% mol.

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Bromobutyl Rubber (BIIR)

Bromobutyl Rubbers are products of butyl rubber bromination with unsaturation of atleast 1.8% mol.

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Thermoelastoplast Rubber (sbs)

DST-20R-01 : It is a thermoplastic rubber is branched block-copolymer on the base of styrene and butadiene with a bound styrene's content of 22-4 mass%. It contains a non-stabilizer and is dusted with antiaglomerate talc, carbon white , potassium stearate.

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DST-30 RM : It is a thermoplastic rubber is an oil-extended branched block-copolymer or butadiene adn styrene with a bound styrene content of 30 mass%. It contains a non-staining stabilizer and is dusted with an antiagglomerate (talc, carbon, white, potassium stearate).
Application : Used for road and roofing bitumen modification, for production of adhesives, glues, rubber-technical goods, polymer modification in footwear industry.

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DST-45 RM : It is an oil-extended branched block-copolymer of butadine and styrene with a bound styrene content of 45 mass %. It contains a non-staining stabilizwr and is dusted with an antiaggglomerate ( talc, carbon white, potassium sterate).
Application : The DST- 45 RM thermoplastic rubber is used in footwear industry for sole soles manufacturing.

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DST-30-01 : It is a thermoplastic rubber which is linear bloc-copolymer on the styrene and butadiene base with styrene's content of 30 mass %. It contains a non-staining stabilizwr and is dusted with antiagglomerate ( talc, carbon white, potassium stearate).
Application : The DST-30-01 thermoplastic rubber is used for bitumen modification, intended for roads, coatings, polymer modifaction, production of adhesives, band sealants and protective coatings.

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eTHYLENE PROPYLENE DIENE SYNTHETIC RUBBER (EPDM)

Ethylene- Propylene Diene Rubber applications include automotive parts, electrical applications, cables and waterproofing membranes. EPDM products are used for all applications where outstanding resistance to ageing and ozone is required.

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