Hydrogenated styrene TPEs.Septon V Series hydrogenated styrene sty·rene n. A colorless oily liquid from which polystyrenes, plastics, and synthetic rubber are produced. Also called vinylbenzene. thermoplastic elastomers are said to provide compounds with improved heat resistance and oil resistance. Typical hydrogenated styrene elastomers are composed of hard block (styrene) and soft block (ethylene, propylene propylene /pro·pyl·ene/ (pro´pi-len) a gaseous hydrocarbon, CH3CHdbondCH2. propylene glycol a colorless viscous liquid used as a humectant and solvent in pharmaceutical preparations. , butylene bu·tyl·ene n. Any of three gaseous isomeric ethylene hydrocarbons, C4H8, used principally in making synthetic rubbers. , etc.) polymers. As with other plastics, they are said to be easily processed when heated. These elastomers also have the elasticity of rubber, which allows them to be used as a substitute for vulcanized rubber India rubber, vulcanized. - Knight. See also: Vulcanize and flexible polyvinyl chloride polyvinyl chloride (PVC), thermoplastic that is a polymer of vinyl chloride. Resins of polyvinyl chloride are hard, but with the addition of plasticizers a flexible, elastic plastic can be made. . The world market for hydrogenated styrene elastomers is said to be approximately 100,000 tons per year. The Septon V Series contains a crosslinkable hard block that makes it reactive. The company has also developed special compounding technology that makes it possible to crosslink the hard block as well as the soft block during compounding. This is said to provide a compound with higher heat and oil resistance, which makes them suitable for use in markets in which vulcanized rubber is used, such as automotive sealing material and construction materials, according to the manufacturer. (Kuraray Ltd.) Circle 110 on card |
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